Nippon Yakin Kogyo - Company History

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Financial history 1952–2026 — revenue, cost structure, balance sheet, cash flow and key ratios, year by year →

Founded 1925
Origin 中央理化工業として設立
Founding location 東京都
Core business at founding Manufacture and sale of fire extinguishers
Listed 1942
President Urata Naruki President since 2024 (age 66, as of 2026)
Current priority Higher value-added products · Decarbonisation Widening sales of nickel-base alloys and running the high-efficiency electric arc furnace
Founding
In August 1925 the company was established in Tokyo as Chuo Rika Kogyo and set out making fire extinguishers. In September 1928 it renamed itself Nippon Kako and moved into explosives and pyrotechnic devices, and in February 1936 it brought the Kawasaki works into operation on reclaimed land at Daishigawara in Kawasaki, entering the manufacture of special steels, light alloys and stainless steel. In eleven years it had changed its main product twice. In June 1942 it listed on the Tokyo and Osaka exchanges, and that September it renamed itself Nippon Yakin Kogyo and transferred its explosives and pyrotechnics division to Showa Kayaku. In December 1943 it merged with Oheyama Nickel Kogyo, taking over the mining of nickel ore and the smelting of ferronickel.
The Decision
For eighty years the company has not altered one choice: it makes the alloying element itself rather than buying it in. The merger with Oheyama Nickel Kogyo in December 1943 brought a mine and a smelter in Kyoto prefecture into the parent and joined raw material to cold-rolled sheet inside a single company. Ferronickel smelting was separated out to Oheyama Nickel in December 1975, then merged back in October 1983 as the Oheyama works. In April 2003 Kawasaki and Oheyama were hived off so that each works would carry a profit and loss of its own, and seven years later, in April 2010, the two companies were absorbed back and the group returned to running as one. Both attempts to put a process outside the parent ended with it pulled back in, and the company settled on integrated operation: melting and rolling at Kawasaki, ferronickel at Oheyama.
Today
The customer base has turned over from commodity stainless to nickel-base alloys. In the year to March 2026 revenue was $954.1M (¥151bn) and operating profit $69.5M (¥11bn), a third consecutive year of decline from the record year to March 2023, when sales were $1.4B (¥199bn) and ordinary profit $197.1M (¥28bn). Even so, this is no longer the company that booked an ordinary loss of $65.6M (¥6bn) in the year to March 2013 after the financial crisis: profit now survives a slack market. Revenue by region was $711.9M (¥113bn) in Japan, $84.7M (¥13bn) in China and $157.4M (¥25bn) elsewhere. The high-efficiency E electric arc furnace started at the Kawasaki works in January 2022 and a new cold rolling mill, the first in thirty-five years, in December 2024; pulling the product mix towards highly corrosion-resistant material for semiconductor production equipment, LNG and nuclear use is what built a margin less exposed to the commodity cycle.
Competition
As the large makers of stainless sheet have been absorbed into the blast-furnace groups, Nippon Yakin Kogyo holds the raw material end itself. Nippon Steel & Sumitomo Metal acquired Nisshin Steel in 2016, and the independent sheet makers passed under blast-furnace ownership. In special steel there is also the route Daido Steel took, putting money into a large electric arc furnace so that volume and high added value could come off the same plant. With revenue of $954.1M (¥151bn) Nippon Yakin Kogyo cannot match them for scale, but because it smelts its own ferronickel at Oheyama it can pass a rising nickel price through into product prices. Narrowing to highly corrosion-resistant material that sells in small volume but cannot be substituted is what gives it a wider margin than rivals who buy their raw material in.

Timeline

1925–1969Two changes of trade: from fire extinguishers and pyrotechnics to special steel and stainless

  1. 1925Chuo Rika Kogyo established in Tokyo to make and sell fire extinguishers
  2. 1928Renamed Nippon Kako; turns to explosives and pyrotechnic devices
  3. 1936Kawasaki works opens; special steel, light alloys and stainless begin
  4. 1941N.K. steel produced from Oheyama nickel-bearing granular iron
  5. 1942Shares listed on the Tokyo and Osaka exchanges in June
  6. 1942Renamed Nippon Yakin Kogyo; pyrotechnics division sold to Showa Kayaku
  7. 1943Merger with Oheyama Nickel Kogyo brings nickel mining and ferronickel smelting in-house
  8. 1948Toa Seiki (today Nas Toa) founded
  9. 1952Granular iron production resumes at Oheyama on imported ore
  10. 1956Kanazawa plant begins producing stainless steel castings
  11. 1960Sendzimir cold rolling mill for sheet comes into operation at Kawasaki
  12. 1965Continuous casting installed at Kawasaki, replacing ingot casting
  13. 1966Planetary hot rolling mill starts at Kawasaki
  14. 196860-tonne electric arc furnace starts; sales pass ¥30bn, a quarter of it exports

1970–1999AOD refining, and the ferronickel chain made whole

  1. 1973Mikuni Kotai Seizosho (today Nas Kotai) becomes a group company
  2. 1975Ferronickel smelting hived off to the newly formed Oheyama Nickel
  3. 197760-tonne argon-oxygen decarburisation (AOD) plant starts at Kawasaki
  4. 1983Oheyama Nickel merged back in as the Oheyama works
  5. 1989Modernisation of the Kawasaki cold rolling installation completed
  6. 1996ISO 9002 certification for Kawasaki cold-rolled products
  7. 1996The NCH compact hot rolling mill comes into operation
  8. 1999ISO 14001 certification for Kawasaki cold-rolled products
  9. 1999Kanazawa plant closed; withdrawal from stainless castings after 43 years

2000–2025From the spin-off experiment back to one company, and the shift to high-performance alloys

  1. 2001Namegawa Island amusement park closed
  2. 2001ISO 14001 certification for ferronickel manufacture at Oheyama
  3. 2003Nas Stainless sold; Kawasaki and Oheyama hived off as YAKIN Kawasaki and YAKIN Oheyama
  4. 2005The federated employees' pension fund dissolved
  5. 2007Argon-vacuum-stainless (AVS) refining starts at YAKIN Kawasaki
  6. 2010YAKIN Kawasaki, YAKIN Oheyama and Nas Business Service absorbed back into the parent
  7. 2013Year to March 2013 falls into the red: ¥6.4bn ordinary loss, ¥7.3bn net loss
  8. 2014Nas Toa Welding Technology sold; the welding business wound up
  9. 2019Ordinary profit doubles to ¥8.2bn; Kubota Takashi becomes president
  10. 2022The high-efficiency E furnace starts at Kawasaki, the first since 1968
  11. 2022Moves to the Tokyo Stock Exchange Prime Market
  12. 2023Record profit: sales ¥199.3bn, ordinary profit ¥27.7bn
  13. 2024Urata Naruki becomes president in June
  14. 2024New cold rolling mill starts at Kawasaki, the first renewal since 1989

Founding Story

1925–1969Two changes of trade: from fire extinguishers and pyrotechnics to special steel and stainless

In eleven years the company changed what it sold twice — fire extinguishers, then explosives and pyrotechnic devices, then special steel and stainless — and it was the third of those, begun at Kawasaki in February 1936, that became the business it still runs. What it carried across each change was not a product line but the handling of high temperatures and violent reactions, and once that skill was pointed at furnaces rather than at explosives the company spent the next three decades building outwards from it: a listing in 1942, the present name later that year, a nickel mine and smelter of its own in 1943, and through the 1960s the rolling mills that turned it into a maker of stainless sheet.

A chain of reinventions: fire extinguishers, then pyrotechnics, then special steel

In August 1925 Chuo Rika Kogyo Co., Ltd. was established in Tokyo. Its business at the outset was the manufacture and sale of fire extinguishers[1]; it was a small chemical company, set up with capital from the 服部時計店 Hattori Watch Store group[2]. Three years later, in September 1928, it renamed itself Nippon Kako Co., Ltd. and turned its trade to the manufacture and sale of explosives and pyrotechnic devices[3]. Fire extinguishers on their own put a ceiling on the scale of the business, and the judgement was to look for a way out in the military market for pyrotechnics, which was expanding at the time. Japan was then moving from the Showa financial crisis towards the world depression, and small and mid-sized chemical firms were falling into difficulty; deepening its dependence on military demand was how this one contrived to survive.

In February 1936 the Kawasaki works came into operation at Daishigawara in Kawasaki, Kanagawa prefecture[4], and the manufacture and sale of special steels, light alloys and stainless steel began[5]. The venture started with capital of ¥2 million[6], and Mori Akira (森暁) took office as representative director[7]. This is the point from which the main business of today's Nippon Yakin Kogyo dates, and the second change of trade — from a maker of pyrotechnics to a maker of metal. Japan in the 1930s was industrialising heavily, and demand for special steels for warships, aircraft and armaments was growing. The company applied the metallurgy it had built up in the manufacture of explosives to enter the special steel field, and set about producing domestically the stainless steel that was then an advanced material. In 1938 the first phase of extension work at the Kawasaki plant was completed, equipping it with a 1,500-tonne press and rolls for steel plate; the following year, 1939, extension work for light alloy manufacture was completed as well, and the ground for volume production was settled[8]. Eleven years after its founding the company had gone from making fire extinguishers to making special steel[9], and the Kawasaki works remains its principal plant, in continuous operation now for some ninety years[10].

A listing, the present name and upstream integration, all inside eighteen wartime months

In June 1942 the company's shares were listed on the Tokyo and Osaka exchanges[11]. In the middle of the wartime controlled economy, it had put in place a structure through which a business tied to military demand could raise capital. That September it renamed itself Nippon Yakin Kogyo Co., Ltd. and transferred its explosives and pyrotechnics division to Showa Kayaku Co., Ltd.[12] 冶金 — yakin — is the Japanese word for metallurgy in the broad sense, the melting and refining of metal; with the change the shadow of pyrotechnics disappeared from the name, and stainless and special steel, the company's business domain to this day, were written into it instead. Selling off the pyrotechnics business was a strategic judgement, concentrating resources on building volume production of special steel, and the nimbleness of carrying out the change of name and the sale of the business in the same month is striking.

The company's involvement with Oheyama had begun before the merger. It had tried from early on to commercialise nickel-bearing granular iron made from Oheyama ore, borrowing a rotary kiln from Nanao Cement (today Sumitomo Cement) to start smelting in 1939, and in January 1941 succeeding in the manufacture of N.K. steel from Oheyama nickel-bearing granular iron[13]. In November 1942 the Oheyama works was completed and full production of the granular iron began[14]. On that footing, in December 1943, the company merged with Oheyama Nickel Kogyo Co., Ltd. of Kyoto prefecture, taking over its nickel ore mining and ferronickel smelting business[15]. This is the merger that made Nippon Yakin Kogyo a specialist in nickel-base alloys. A structure that produced nickel in-house all the way from mined ore to finished product was a rare thing in Japan at the time, and became a source of competitive strength over the long run. The listing of June 1942, the present name in September and the Oheyama merger in December 1943 gave the company access to the capital market, its name and its upstream integration inside eighteen months[16].

A post-war division of roles across the group, and stainless sheet at volume in the 1960s

War damage was comparatively light and production restarted early after the surrender, but constraints on raw materials weighed heavily and results were poor[17]. The company's turn towards a period of growth came in August 1952, when production of nickel-bearing granular iron resumed at the Oheyama works using imported ore[18]. Through the economic disorder of the post-war years the group began to take shape: Toa Seiki Co., Ltd. (today Nas Toa Co., Ltd.) was founded in August 1948[19]; in May 1953 Sanshin Tokushusen Kogyo Co., Ltd. (today Nippon Seisen Co., Ltd.), which handled precision wire, became a group company[20], and in November 1954 Ueno Hanbei Shoten Co., Ltd. (today Nas Bussan Co., Ltd.), which handled the trading function, did the same[21]. It took ten years to build a structure in which manufacturing and selling were divided across the group as a whole. Through the 1950s the Kawasaki works kept expanding as well: the Kawasaki research laboratory was completed in February 1956[22], and that August the Kanazawa plant in Ishikawa prefecture began producing and selling stainless steel castings, widening the product range[23].

In 1959 the company began building a new plant on 397,000 square metres of reclaimed land adjoining the Kawasaki works[24], and the making of a site for stainless sheet at volume began in earnest. The new plant took its Sendzimir cold rolling mills in turn — first one for plate in 1959, then one for sheet in February 1960, and a second sheet mill in October 1964[25][26] — meeting the growing demand for sheet from domestic appliances, cars and building materials. In October 1960 Nas Stainless Seisakusho Co., Ltd., a stainless fabricating subsidiary, was also established[27]. In March 1965 a continuous casting installation came into operation[28], improving yield and productivity together and completing the move away from ingot casting. A planetary hot rolling mill followed in April 1966[29] and a 60-tonne electric arc furnace in February 1968[30], and with them an integrated chain running from cold rolling back to hot rolling was established. By 1968 annual sales had reached a little over $83.3M (¥30bn), of which exports accounted for roughly 25 per cent[31].

1970–1999AOD refining, and the ferronickel chain made whole

The two decades after 1970 were spent renewing every stage of the works and settling, after one detour, where the smelter belonged: sales stood at $134.3M (¥48bn) in the year to March 1970 and $373.6M (¥89bn) fifteen years later, while argon-oxygen refining, continuous casting and new hot and cold mills turned Kawasaki into a plant that could make high-purity material in quantity. The ferronickel division was hived off in 1975 and taken back in 1983, and by the end of the period the company was letting go of everything that was not stainless sheet.

High-purity stainless at volume, on the back of AOD refining

In September 1973 Mikuni Kotai Seizosho Co., Ltd. (today Nas Kotai Co., Ltd.) became a group company, adding a strip-processing subsidiary[32]. In December 1975 the ferronickel smelting division was separated out and transferred to a newly established Oheyama Nickel Co., Ltd.[33] — a reorganisation that tried out managerial independence for the smelting operation, apparently with the aim of making the financial responsibility for the upstream explicit. In September 1977 a 60-tonne argon-oxygen decarburisation installation (AOD) came into operation at the Kawasaki works[34]. AOD marked a decisive advance in the decarburisation and refining of stainless steel; it was the most advanced refining technology of its day, and the base for producing high-purity stainless at volume was completed with it. AOD made stable volume production of low-carbon stainless (SUS304L and the like) and of high-purity nickel-base alloys possible, and put within reach the highly corrosion-resistant applications — semiconductor production equipment, nuclear use, LNG use — that followed.

In October 1983 the company merged Oheyama Nickel Co., Ltd. back in, reintegrating it as the Oheyama works[35]. The ferronickel smelting division separated in 1975 thus returned to the parent after eight years, and the integrated chain within the group was rebuilt. The upstream integration that came through this separation and reintegration appears to have been aimed at speeding up investment decisions by carrying the operation on the parent's own balance sheet. The latter half of the 1980s was Japan's bubble economy, and demand for stainless was expanding with it. In June 1989 the plan to modernise the cold rolling installation at the Kawasaki works was completed[36], bringing a generation of capital investment to a close. It was the emblematic plant renewal of the bubble years.

International certification of quality management in the 1990s

In January 1996 the cold-rolled products of the Kawasaki works obtained ISO 9002 certification[37]. ISO 14001 followed in March 1999[38], putting international certification in place on both the quality and the environmental side. This fell in the long slump after the bubble, at the point when overseas customers were beginning to make third-party certification of quality and environmental management a condition of doing business, and it was also groundwork for keeping the company's exports competitive. High-purity stainless and nickel-base alloys go mostly into applications with demanding quality requirements — semiconductor production equipment, nuclear use — and third-party certification carried weight with customers as objective corroboration of quality. In building exports on high-performance material differentiated from commodity stainless, whether a supplier held the certificates became a precondition of the trade.

In April 1996 a new hot rolling mill — NCH, the Nippon Yakin Compact Hot mill — came into operation[39], completing the generational renewal of the hot rolling equipment as well. The NCH is a compact-mill type hot rolling mill that delivers small footprint, low energy consumption and high quality at once, and it lifted the productivity of the Kawasaki works another step. The volume production equipment installed in the 1960s had now been renewed right through, some twenty years on from the start-up of AOD in 1977. The run of renewals — AOD, continuous casting, cold rolling, hot rolling — completed at Kawasaki an integrated process capable of making high-purity material in quantity, and readied the supply capacity for the next upturn in the market.

Letting go of castings and an amusement park to concentrate on sheet

In September 1999 the Kanazawa plant was closed and the company withdrew from the production and sale of stainless steel castings[40]. Winding up a castings business that had run for forty-three years since August 1956 was a textbook case of selection and concentration, meant to focus resources on the core business of stainless sheet. In the long slump after the bubble, the move to cut away areas of low profitability began in earnest here. Castings benefit less than sheet from the economics of volume and become a burden on margins when the market weakens, so the judgement was one of ordering priorities against the core business. Withdrawing from a business of forty-three years' standing was also a sign of management unwilling to keep hold of an operation merely because it was there.

In August 2001 Namegawa Island, a leisure facility the company owned in Katsuura, Chiba prefecture, was closed[41]. That a steelmaker owned an amusement park at all was a relic of the high-growth years, and the closure was emblematic as a disposal of non-core assets. In November 2001 ferronickel manufacture at the Oheyama works obtained ISO 14001 certification, bringing the upstream smelting operation into line with the international environmental standard as well. Concentration on the core business and environmental compliance upstream thus advanced side by side. It was the period in which the direction settled more firmly still: keep the integrated chain from mined ore through smelting to rolling, and cut away the assets that did not feed the earnings.

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Notes

  1. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  2. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  3. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  4. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  5. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  6. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  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. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  10. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  11. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  12. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  13. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  14. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  15. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  16. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  17. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  18. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  19. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  20. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  21. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  22. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  23. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  24. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  25. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  26. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  27. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  28. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  29. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  30. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  31. 企業の歴史 : 明治百年 (Corporate Histories: A Century of Meiji, Keizai Shunju-sha, 1968)↩
  32. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  33. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  34. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  35. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  36. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  37. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  38. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  39. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  40. Nippon Yakin Kogyo, annual securities report, corporate history section↩
  41. Nippon Yakin Kogyo, annual securities report, corporate history section↩

References & sources

  1. Corporate Histories: A Century of Meiji, Keizai Shunju-sha (1968), the Nippon Yakin Kogyo entry.
  2. Nippon Yakin Kogyo Co., Ltd. (annual securities reports), including the corporate-history section, from which the yearly revenue and profit figures are taken.

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