Pioneer - Company History

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Financial history 1948–2022 — revenue, cost structure, balance sheet, cash flow and key ratios, year by year →

Founded 1938
Founder Matsumoto Nozomu
Founding location 東京市文京区
Core business at founding Electrodynamic loudspeakers
Listed and delisted 1961–2019 — listed on the second section of the Tokyo Stock Exchange, and now an unlisted in-car equipment maker
Founding
In January 1938 Matsumoto Nozomu (松本望), who had turned to sound by way of the bankruptcy of a musical-instrument company, founded Fukuin Shokai Denki Seisakusho at Otowa-cho in Bunkyo ward, Tokyo, and began manufacturing electrodynamic loudspeakers. In August 1941 it became a limited company with capital of ¥72,500; in 1946 it registered the trademark Pioneer; and in May 1947 Fukuin Denki Co., Ltd. was established, absorbing the limited company. In 1950 it developed the PE-8 permanent-magnet loudspeaker and widened out from component supplier to finished products; in June 1961 it changed its name to Pioneer, and in October of the same year it listed on the second section of the Tokyo Stock Exchange. The television receivers it had entered in 1955, however, left it at a competitive disadvantage against rivals with greater financial strength, and it withdrew.
The Decision
It went on taking the people who would run the company from outside rather than from within. In 1971 the founder, Matsumoto Nozomu, raised the banner of growing out of family enterprise, brought in Ishizuka Yozo (石塚庸三) from outside as president, and stepped back to the position of senior adviser. Under the hybrid management assembled from outside recruits, only the founder and a few others including his son were home-grown among the eleven directors, and of some 160 department and section heads fewer than ten had come up through the company. In 1979 it reached the highest earning power in the industry, with an equity ratio of 74.0 per cent and an operating margin of 10.2 per cent. With that balance sheet behind him, Ishizuka watched his peers head for the video tape recorder and narrowed instead to the optical disc, announcing the VP-1000 home LaserDisc player in June 1980. After Ishizuka died abroad in April 1982, Matsumoto Seiya of the founding family carried the same line forward, and the choices made by an executive brought in from outside shaped the decade that followed.
Today
The last asset it had left to offer was not a business but its listing. In 2008 it withdrew from video displays and cut some ten thousand jobs; in March 2015 it also transferred home AV, telephones and DJ equipment, leaving in-car equipment alone. In that in-car business, specification changes to car navigation systems for Toyota Motor swelled development costs, and in the year to March 2018, on revenue of $3.3B (¥365bn), it booked an impairment of $77M (¥9bn) and a net loss of $64.3M (¥7bn) — a second consecutive year in the red. At the end of September that year more than $117.8M (¥13bn) of syndicated loans fell due. In December 2018 it therefore accepted an investment totalling $923.9M (¥102bn) from Baring Private Equity Asia, and on 27 March 2019 its listing on the first section of the Tokyo Stock Exchange came to an end. Having stripped out the businesses that could be sold first, it was left with the listing itself as the last thing to hand over.
Competition
A format of your own is a monopoly if it lands and unsaleable if it does not. The home LaserDisc player launched in 1980 took about half the world market, and when karaoke opened up as an application in 1991 the video business grew to a scale of $520.4M (¥70bn). It made the same kind of choice in plasma, starting volume production of its own format at the Shizuoka plant in 1997 and buying NEC’s plasma business for about $369.8M (¥40bn) in February 2004. Cumulative investment passed $924.6M (¥100bn), an unusual level set against group capital expenditure that ran at around $369.8M (¥40bn) a year. In the same period, however, Sharp invested in its Kameyama plant, took LCDs to larger sizes and brought prices down; Pioneer booked consolidated net losses of $79M (¥9bn) in the year to March 2005 and $730.1M (¥85bn) in the year after, and in September 2007 accepted an investment of about $351.5M (¥41bn) from that same Sharp. Unlike the LCD camp, which could buy panels from outside, plasma carried its own factories along with its own format, and when the market shrank there was no one to take the plant off its hands.

Timeline

1938–1971From loudspeaker specialist to full-line audio manufacturer

  1. 1938Fukuin Shokai Denki Seisakusho founded in Otowa-cho, Tokyo
  2. 1941Reorganised as Fukuin Denki Seisakusho, capital ¥72,500
  3. 1946The trademark Pioneer is registered
  4. 1947Fukuin Denki incorporated; No. 1 plant opened at Otowa
  5. 1950The PE-8 permanent-magnet loudspeaker is developed
  6. 1955Enters television manufacture, later withdrawing
  7. 1961Renamed Pioneer; listed on the TSE second section
  8. 1962The world’s first separate stereo is announced
  9. 1964Shifts to a centralised, function-based organisation
  10. 1966U.S. Pioneer Electronics Corp. established
  11. 1970Pioneer Europe NV founded in Belgium; Kawagoe plant opened
  12. 1971Ishizuka Yozo becomes president, brought in from outside

1972–1991Expansion, as the optical disc and car navigation replaced the pillars of the business

  1. 1976Listed on the New York Stock Exchange
  2. 1979Outside recruitment yields hybrid management and a debt-free balance sheet
  3. 1980The VP-1000 home LaserDisc player is announced
  4. 1982Ishizuka Yozo dies suddenly while in Seoul
  5. 1982Matsumoto Seiya becomes president
  6. 1990The world’s first GPS car navigation system is developed
  7. 1991Karaoke is opened up as a new application for the LaserDisc

1992–2026Decline: a failed plasma display investment and the road to delisting

  1. 1992Pioneer Electronics Asiacentre Pte. Ltd. established
  2. 1997Plasma displays developed in-house; volume production at Shizuoka
  3. 2004Buys NEC’s plasma business for about $369.8M (¥40bn), quadrupling capacity
  4. 2007Accepts investment from Sharp in a capital alliance
  5. 2008Withdraws from plasma televisions; 10,000 jobs cut
  6. 2009Capital increase averts insolvency; concentrates on car audio
  7. 2009Optical disc joint venture with Sharp begins
  8. 2010Capital alliance agreement signed with Mitsubishi Electric
  9. 2015Home AV and telephone businesses transferred to Onkyo
  10. 2017Organic EL lighting joint venture set up with Konica Minolta
  11. 2018Agrees a rescue plan with the investment fund BPEA
  12. 2019Solicits 3,000 voluntary redundancies; delists
  13. 2025A Taiwanese company acquires Pioneer

Founding Story

1938–1971From loudspeaker specialist to full-line audio manufacturer

Pioneer began in a Tokyo back street as a one-product company — loudspeakers, and nothing else — and spent its first three decades turning that single component into a finished-audio business, from sales of ¥9m in 1948 to $145M (¥52bn) in 1971. By the end of the period it had tried television and retreated from it, listed in Tokyo, put the world’s first separate stereo on sale, and taken the unusual step of handing the running of the company to a manager brought in from outside the founding family.

Founded as a loudspeaker specialist, remade after the war into a full-line audio maker

In January 1938, having come to the audio trade by way of the bankruptcy of a musical-instrument company, Matsumoto Nozomu (松本望)[1] founded Fukuin Shokai Denki Seisakusho[2] at Otowa-cho in Bunkyo ward, Tokyo[3], and began manufacturing electrodynamic loudspeakers[4]. Matsumoto described the resolve behind it in these terms: the instant I lowered the needle onto the record, I was overwhelmed by a sound more wonderful than anything I had ever heard, and one day I will build a dynamic speaker as wonderful as this. The loudspeaker — that is the thing[5]. Cash was tight in the first years, and his backers pressed him repeatedly to stop, telling him that a luxury like the loudspeaker is bound to stop selling before long, so please shut the work down[6]. Matsumoto would not accept closure, and in August 1941 reorganised the business as a limited company with capital of ¥72,500[7]. Wartime shortages of materials forced the firm into making transformers for aircraft radio, but it never let its research lapse[8], and in 1946, the year after the war ended, it registered the trademark Pioneer.

In 1947 it was incorporated as Fukuin Denki Co., Ltd.[9], and its No. 1 plant at Otowa was equipped to meet the demand of the reconstruction years. Post-war demand for loudspeakers rose steeply, and the shift of sales emphasis away from dependence on set manufacturers and towards sales to the general public laid the ground for the growth that followed[10]. In 1950 it developed the PE-8, a permanent-magnet loudspeaker, which gave it the base on which to grow out of being a component supplier and into a full-line audio manufacturer. In 1955 it also entered the manufacture of television receivers, but withdrew in the face of competitors with deeper pockets such as Sharp and Matsushita Electric. In 1961 it listed on the second section of the Tokyo Stock Exchange[11], and in 1962 announced the world’s first separate stereo. A trade paper of the day recorded that making loudspeakers is not, in itself, especially difficult work. That is precisely why makers are constantly appearing and disappearing. Among them, this company, with twenty years of history behind it, has a soundness and a character of its own in the way it is run[12].

The withdrawal from television and the return to audio alone became the basis of the company’s management policy for years afterwards. It was a decision that accepted, as a premise, that it could not match the majors financially, and chose instead to compete at a single point — sound. Matsumoto opened up overseas markets early, and won a route into supplying RCA and General Electric in the United States[13]. The same Diamond article reported that looking at its customers: at home, Hitachi, Toshiba, Sony, Victor, Columbia and others; abroad, RCA, GE and the rest[14], which shows that at that stage it was building, through component supply, a trading base with the leading manufacturers at home and abroad. The decision to root the business, under wartime conditions, in a field as apparently impractical as sound became the choice that connected to its post-war platform for growth. As rival makers disappeared one after another, surviving twenty years as a loudspeaker specialist gave the company the credit and the accumulated technology that made its later turn to finished audio possible.

Organisational reform aimed at outgrowing family management, and the bold recruitment of outsiders

In 1964 the company moved in earnest from loudspeaker component maker to finished-product manufacturer, and after trialling a divisional structure shifted to a centralised organisation built around functions. It opened the Shizuoka plant in 1969 and the Kawagoe plant in 1970 in quick succession[15], expanding capacity for volume production of finished audio. In 1971, under the banner of growing out of family enterprise into a first-rank company, it brought in Ishizuka Yozo (石塚庸三) from outside as president. It was a governance reform without precedent at the time, and a management line unusual even within the audio industry. For an owning family to entrust real authority to an outside executive was a rare experiment even in Japan’s post-war electrical industry. The founder, Matsumoto Nozomu, withdrew to the position of senior adviser, and the running of the company was entrusted to a professional manager from outside. While most of its peers were expanding in scale while keeping family control intact, Pioneer changed course in the direction of separating the founding line from the professional competence of its executives.

During Ishizuka’s tenure the great majority of senior managers were secured by recruitment from outside, in an effort to strengthen the company’s competitiveness in the audio market. The separate stereo was taken up quickly by the market, and the first president, Matsumoto Nozomu, said of it: our stereo was put on sale by combining separate units, unifying them by design, and calling it a separate stereo. Even now we are both the originator of the separate stereo and trusted for the high end[16]. In the same article Matsumoto expressed surprise at growing at home and abroad at once: I am astonished myself. Generally, at any company, when the domestic market is good exports are bad, and when the domestic market is bad they put their weight into exports — but with us the domestic market and exports are both going well[17].

Ishizuka held to a policy of concentrating on the core business, precisely in order to sustain growth. His remark — diversifying when you lack the strength is no good. Rushing into one more thing, and one more thing, has never once succeeded. Guarding your own core business, and taking time to study and work at the next pillar as it arises naturally: is that not the growth path from here?[18] — expresses the management philosophy that would later lead to the concentrated investment in the LaserDisc. Combining the recruitment of outside talent with a focus on the core business gave the company a position at some remove from the archetype of post-war Japanese management. Behind Ishizuka’s judgement lay a reading that a latecomer with less financial strength could fight the big full-line electrical manufacturers only by holding an advantage in technology and quality at the single point of sound, rather than by easy diversification. This posture prepared the ground for the concentrated LaserDisc investment of the 1980s.

A distinct course established on the world’s first separate stereo

The separate stereo was a configuration in which the tuner, amplifier, record player and loudspeakers were each designed in their own independent cabinets[19], and it drew support from audio enthusiasts who cared about sound quality. In exchange for withdrawing from television, the company chose the distinct standing of an audio-equipment specialist and avoided competing with full-line manufacturers such as Matsushita Electric and Toshiba. This single-point management policy became the soil in which its distinctiveness in the high-end audio market grew. That standing as an audio specialist became the backbone that supported the company’s character for a long time after the war. While the full-line manufacturers took a strategy of pursuing scale through mass retail distribution and household television, a course that made specialist audio dealers the main battleground was a rare thing within the industry.

Through the 1960s the company also built out a quasi-direct distribution network through dealers across the country, establishing a sales route aimed at specialist audio shops. The audio market of the day was expanding, led by younger buyers, on the back of high growth and rising disposable income, and the company rode that wave while sharpening its technical advantage. It extended its product range from loudspeakers to amplifiers, tuners and record players, while holding to a distinctive distribution strategy that made specialist audio dealers, rather than mass electrical retailers, its main battleground. As Ishizuka himself put it — I am confident that stereo will go on growing steadily, but that alone will not do, so we are thinking about the next growth path[20] — the company began looking for a pillar that did not depend on stereo at an early stage.

While the audio makers of the same period were drawn into price competition and mass retail distribution, the management judgement that maintained a specialist dealer network and a high-end audio brand in parallel laid a foundation that carried through to the later LaserDisc business. In an age of competition over the quality of record players and amplifiers, its independent development capability was highly regarded within the industry. The agility of converting to finished-product manufacture and accepting an outside chief executive at the same time became the entrance to the coming era of the video disc. Exactly as Ishizuka’s words on the primacy of the core business had it, with a top executive received from outside, the company chose to dig deeper at the single point of sound rather than diversify for the sake of it. That choice lies behind the decision that bore fruit in the VP-1000 home LaserDisc player of 1980.

1972–1991Expansion, as the optical disc and car navigation replaced the pillars of the business

In these two decades sound gave way to light: betting against the video tape recorder its rivals were racing towards, Pioneer put the company behind the optical disc, and sales rose from $196.8M (¥61bn) in 1972 to $1.0B (¥247bn) in 1984 as LaserDisc royalties came in and the first GPS car navigation system arrived. The habit of carrying a core technology into the next adjacent market roughly every ten years was now fixed as the company’s method — and it was already preparing the display bet that would break it.

Developing the home LaserDisc player and establishing the video business

Through the late 1970s and into the early 1980s, with the audio recession dragging on, the company staked its future on the video disc as the next-generation medium. Ishizuka explained why, among the several competing disc formats, it narrowed to the optical one: for Pioneer, as an audio manufacturer, is it not right to choose a disc format that puts the emphasis on sound? and we judged the optical video disc to be the finest product, and have been developing it for seven or eight years since[21]. Watching its peers rush towards the video tape recorder, the company took the well-chosen option of an optical disc that used no stylus and could be replayed all but indefinitely. It formed co-operative relationships with MCA and IBM of the United States and Philips of the Netherlands[22], putting its patent position in order as well. This judgement became the source of the high-margin structure that carried the company through the 1980s.

In 1980 it announced the VP-1000 home LaserDisc player, and set in place a high-margin structure resting on patent income from its optical disc technology. Its share of the world market in home LaserDisc players reached about 50 per cent at the peak, and the video business alone grew to a scale of $293.5M (¥70bn) in sales. The road to commercialisation was nonetheless a tightrope, and it was an investment for which Ishizuka himself demanded resolve from his engineers: the chance this business succeeds is four in ten against six. Take it on prepared for a difficult business, and but given the size of our company, it is already too late to start running once the six-in-ten chance is visible. The big manufacturers will make it. We do it precisely at the stage when there is a four-in-ten risk[23].

In 1982 Ishizuka died suddenly, and executive vice-president Matsumoto Seiya (松本誠也) was promoted to president[24]. The Nihon Keizai Shimbun reported that Ishizuka’s sudden death means the pillar of Pioneer’s house has fallen, and that breaking out of the audio slump — spoken of as a structural recession — and strengthening the sales organisation for the video disc will not be easy[25], pointing to the risks the change of leadership carried. Even so the company continued to invest in developing the LaserDisc, and by around 1991 had opened up karaoke as a new application, leading its adoption in the commercial market as well. Together with the spread of karaoke boxes across the country, the LaserDisc became a pillar supporting the company’s earnings. The pattern of swapping the core of the business roughly every ten years — from loudspeakers to the optical disc — had now emerged clearly.

Full entry into in-car equipment through the world’s first car navigation system

In 1990 the company announced, ahead of the rest of the world, a consumer car navigation system using GPS[26], and established a footing as an in-car equipment manufacturer. It was a strategy of transferring the laser-application knowledge built up in optical disc technology into a quite different field of business, and it prepared the ground for the concentrated investment in in-car equipment of later years. It kept working to widen factory-fitted adoption by domestic carmakers such as Honda and Nissan. The emphasis on high quality and reliability cultivated in audio equipment translated into differentiation in the in-car market, and its early response to the exacting quality standards peculiar to the motor industry became a further strength of the company. In-car equipment, which could be sold both as factory-fitted and as aftermarket product, drew hopes as the next pillar to make up for the maturing of home audio, and became the object of a long-term tilt of its research and development resources.

The in-car equipment business was developed on both the factory-fitted and the aftermarket sides, sat well with the existing sales route through specialist audio dealers, and drew hopes as a new source of earnings to offset the stagnation that came with the maturing of home audio. From the end of the 1980s into the early 1990s, a structure began to appear in which the video disc business and the in-car equipment business complemented one another in supporting results. Looking back on the period, Matsumoto Seiya said: when I became president in 1982 sales were around $1.2B (¥300bn), but we were hit by the audio recession and had run into a wall. Our rival makers were absorbed in the VTR, and found their way through there. We passed on the VTR and bet on the LD[27].

Below the surface, investment in a video display business was being prepared as the next pillar. At the point in 1991 when Matsumoto Seiya said the LD has created a new market on both the software and the hardware side, and I predict that in ten years it will have been transformed into an enormous market[28], placing the video display on an extension of the optical disc looked natural. Whether that judgement proved right or wrong, however, divided the fate of the era that followed. In-car equipment was at the stage of beginning to grow into the next earnings base. While its peers pursued scale through mass production of VTRs and televisions, the company held to a position differentiated by two distinctive pillars of its own, the optical disc and car navigation. That distinctive course led on, later, to the excessive bet of the plasma investment.

1992–2026Decline: a failed plasma display investment and the road to delisting

The instinct that had found the LaserDisc found the plasma display, and this time the market moved the other way: sales of $4.8B (¥613bn) in 1992 had fallen to $2.1B (¥270bn) by 2022. Between those two figures lie the purchase of NEC’s plasma business, a complete withdrawal from displays, the end of fifty-eight years of listing and, at the close, a change of owner from an investment fund to a Taiwanese panel maker.

Investing in plasma displays, and withdrawing from the video business

To break through the structural limits of an audio specialist, the company transferred the video technology built up in the LaserDisc into plasma-emission video displays, which it developed independently. In 1997 it began volume production at the Shizuoka plant and added to its capital investment, aiming to take the initiative in the next-generation television market. But the extension of LCD televisions beyond fifty inches, together with cost reduction, shrank the plasma market faster than had been assumed, and with the passing of time the company’s investment judgement turned against it. The $9.1B (¥1tn) sales target of the 2005 Vision set out by Ito Kanao (伊藤周男) ended unmet, pushed back by falling unit prices across digital consumer electronics as a whole. Management of a strongly distinctive cast, built up through the optical disc and car navigation, worked against the company in plasma on both fronts at once — the battle over standards and the competition on price.

A trade paper in January 2005 judged that, despite a policy of selection and concentration that placed plasma televisions and DVD recorders at the centre of growth, the sharp fall in selling prices had struck the company directly, and that although it stood as a leading name in digital consumer electronics, the consumer electronics division that mattered had not been made into a body capable of producing profit. Ito Kanao himself, after the swing to a net loss in the year to March 2005, expressed the bitterness of having had the $9.1B (¥1tn) goal of the 2005 Vision in sight only to stumble in the final year. It was an ironic outcome in which the very executive who had taken the lead in selection and concentration was hit head-on by price falls in the field he had concentrated upon. Nor can it be denied that the experience of succeeding with the optical disc raised the size of the next bet, and so enlarged the damage when it failed.

It attempted product differentiation with the high-picture-quality KURO series, but could not win the price competition of the mass market. In 2008 it decided on a complete withdrawal from the video display business, including plasma televisions, and cut some ten thousand jobs[29]. The following year, 2009, it avoided insolvency through a capital increase while moving the axis of management to concentrated investment in in-car equipment. Trade papers grouped the three loss-making companies together as the three losers, pointing to a pattern in which the new markets Pioneer had opened would be swamped the moment the large domestic manufacturers and Korean firms such as Samsung Electronics entered them. The damage the plasma investment did to its balance sheet cast a long shadow. As an ending in which enthusiasm for advanced technology outran cool management judgement, it became a case recounted for years afterwards.

Delisting, and rebuilding under an investment fund and then a Taiwanese owner

Even after the plasma withdrawal the path to rebuilding was hard, and in December 2018 the company agreed to the acquisition of all its shares by BPEA (now EQT), a Hong Kong-based investment fund. The following year, 2019, it solicited 3,000 voluntary redundancies and delisted from the Tokyo Stock Exchange within the year. Fifty-eight years on from its listing in 1961, the company again walked the road of an unlisted enterprise. It was an event in which a firm regarded as the representative independent listed audio manufacturer drew a line under more than eighty years of independent management. An independent audio brand that had run on from the high-growth years after the war, passing under the control of an investment fund to rebuild itself, was also a symbol of structural change across the industry as a whole. The resources for that rebuilding were sought in the steady earnings of in-car equipment.

Under BPEA, rebuilding proceeded through the concentration of management resources on in-car electronics, and an organisational reorganisation moved operations to EQT. Kotani Susumu (小谷進), who decided on the withdrawal, said of the sale of the audio equipment business that although it was a bittersweet experience Pioneer would go on holding to its DNA of an insistence on sound, describing the state of mind in which he had brought himself to part with the founding business. In 2025 Innolux of Taiwan — 群創光電 — acquired the company, bringing a new turn in which it came under Taiwanese ownership. With the controlling shareholder changing from an investment fund to an operating company, the phase of pure financial rebuilding ended and a phase of realising business synergies with a parent whose main product is LCD panels began.

For a company that had set out as a loudspeaker specialist and swapped the core of its business roughly every ten years — the optical disc, car navigation, plasma — the fact that the plasma investment, its last bet, turned against it led directly to the closing of the curtain on its independent listing. It was also an ending in which its own management cycle of replacing the business every decade or so met, at the final turn, a change in the market it could not answer. The end of a company that led post-war audio culture is remembered within the industry as a lesson to this day. The road the company travelled, beginning with the dream of a loudspeaker specialist that Matsumoto Nozomu drew at its founding, has passed through several changes of business and is now turning it into an in-car specialist rather than an audio one. The size of the sacrifice paid as the price of independence and distinctiveness is also the mark it left on Japan’s electrical industry.

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Notes

  1. Pioneer, securities report for the 72nd term (FYE March 2018), corporate history section↩
  2. Pioneer, securities report for the 72nd term (FYE March 2018), corporate history section↩
  3. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji), Keizai Shunju-sha, 1968↩
  4. Pioneer, securities report for the 72nd term (FYE March 2018), corporate history section↩
  5. 回顧と前進 (Kaiko to Zenshin), 1978↩
  6. 回顧と前進 (Kaiko to Zenshin), 1978↩
  7. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji), Keizai Shunju-sha, 1968↩
  8. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji), Keizai Shunju-sha, 1968↩
  9. Pioneer, securities report for the 72nd term (FYE March 2018), corporate history section↩
  10. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji), Keizai Shunju-sha, 1968↩
  11. Pioneer, securities report for the 72nd term (FYE March 2018), corporate history section↩
  12. ダイヤモンド (Diamond), 12 February 1962↩
  13. ダイヤモンド (Diamond), 12 February 1962↩
  14. ダイヤモンド (Diamond), 12 February 1962↩
  15. Pioneer, securities report for the 72nd term (FYE March 2018), corporate history section↩
  16. ダイヤモンド (Diamond), 6 March 1967↩
  17. ダイヤモンド (Diamond), 6 March 1967↩
  18. 日経ビジネス (Nikkei Business), 27 October 1975↩
  19. ダイヤモンド (Diamond), 6 March 1967↩
  20. 日経ビジネス (Nikkei Business), 27 October 1975↩
  21. 証券業報 (Shoken Gyoho), 1980↩
  22. 証券業報 (Shoken Gyoho), 1980↩
  23. 日経ビジネス (Nikkei Business), 14 May 1984↩
  24. Pioneer, securities report for the 72nd term (FYE March 2018), directors section↩
  25. 日本経済新聞 (Nihon Keizai Shimbun), 25 April 1982↩
  26. Pioneer, securities report for the 72nd term (FYE March 2018), corporate history section↩
  27. 日経ビジネス (Nikkei Business), 5 August 1991↩
  28. 日経ビジネス (Nikkei Business), 5 August 1991↩
  29. Pioneer, securities report for the 72nd term (FYE March 2018)↩

References & sources

  1. Diamond (Diamond, Inc.): 12 February 1962 on Pioneer; 6 March 1967 on its exceptional growth.
  2. Nikkei Business (Nikkei-McGraw-Hill / Nikkei BP): 27 October 1975, President Ishizuka Yozo on the secret of Pioneer’s growth; 14 February 1977, a technical dialogue on the laser; 14 May 1984, on the LaserDisc gamble; 11 June 1990 on the LD business coming good; 5 August 1991 on the LD blossoming through karaoke.
  3. Nihon Keizai Shimbun (Nikkei Inc.), 25 April 1982, on the sudden death of President Ishizuka Yozo.
  4. Shoken Gyoho (1980) — Ishizuka Yozo on corporate management in the 1980s.
  5. Corporate Histories: A Century of Meiji, Keizai Shunju-sha (1968), the Pioneer entry.

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