{ "spec_version": "4", "endpoint": "history", "stock_code": "6924", "company_name": "岩崎電気", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/6924/decisions/", "api_url": "/api/6924/history.json", "updated": "2026-09-20", "license": "© 2026 Yutaka Sugiura. All rights reserved.", "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6924/decisions/", "source": { "chapters": { "html_url": "https://the-shashi.com/tse/6924/", "primary": [ "社史", "有価証券報告書", "新聞・雑誌記事" ], "extraction": "一次資料を読み合わせて執筆" }, "long_term": { "primary": [ "有価証券報告書" ], "extraction": "EDINET の XBRL、kabupro 掲載の旧有価証券報告書、会社年鑑・社史等からの転記", "row_field": "reference", "caveat": "創業期から現在までを 1 本に繋いだ長期系列のため、年代により出所・単位・連結範囲が変わる。行ごとの reference / unit / consolidation を必ず参照すること" } }, "title": "岩崎電気の歴史概略", "eras": [ { "title": "超短波兵器部品から反射形白熱電球へ転じた岩崎電気", "start_year": 1944, "end_year": 1954 }, { "title": "高圧水銀ランプと埼玉製作所、東証上場と東京五輪国立競技場の照明、メタルハライドランプ", "start_year": 1955, "end_year": 1972 }, { "title": "米GEとの合弁と茨城製作所、米エナジー・サイエンス買収と大連・伊東電機", "start_year": 1973, "end_year": 2009 }, { "title": "LEDアイランプへの転換と水銀ランプ生産終了、カーライルのTOBによる非上場化", "start_year": 2010, "end_year": 2023 } ], "overview": [ { "label": "創業", "text": "1944年8月18日、岩崎通信機の常務取締役だった岩崎福市氏が軍部の要請を受け、東京都渋谷区代々木上原町に資本金200万円で岩崎電波工業を創立した。目的は超短波兵器部品の製造にあり、荻窪・甲府・秋田・新潟など7工場を1年のうちに買収・増設している。敗戦で唯一の注文元が消えると6工場を整理し、1945年9月に社名を岩崎電気へ改めて西荻窪工場だけを残した。照明へ向かうのは1949年3月で、反射形白熱電球と照明器具の生産に入る。" }, { "label": "決断", "text": "家庭の電球には手を出さず、屋外と大空間の光源だけを取った。反射形電球アイランプは写真スタジオとショーウインドーで採用され、続いてガソリンスタンド、工事現場、広告塔へ広がって市場占有率90%に達した。1955年5月に始めた高圧水銀ランプは後発の参入だったが、屋外へ光を投げる売り先を先に押さえていたため、まもなく首位へ立つ。岩崎福市社長は1960年の対談で、東芝が持つ家庭用電球を別扱いにし、蛍光灯も脇へ置いて新しい光源に絞ると区切っている。1959年12月の株式公開で調達した資金から6億7,000万円を投じた埼玉製作所は1960年に操業を開始し、1962年までに主力がここへ移った。1966年の水銀灯は全国生産の40.8%を占め、高ワット中心の品揃えのため金額では50%を超えた。" }, { "label": "現況", "text": "創業以来の主力だった水銀ランプは、条約で生産そのものを禁じられた。2013年10月に採択された水俣条約は一般照明用の高圧水銀ランプを規制対象に置き、岩崎電気ではアイ水銀ランプなど4系統が該当する。2020年6月末で受注を締め切り、同年12月に生産を終えた。代替は自前で用意しており、2010年12月に帝人と共同開発したLEDアイランプは消費電力を従来の約10分の1に下げ、2015年には横浜スタジアムのナイター照明708台をLED投光器へ置き換えている。上場最後の期となった2022年3月期の連結売上高は531億円で、2002年3月期の706億円から175億円縮んだ。2023年3月のTOBでカーライル傘下へ入って6月9日に上場を廃止し、2026年1月には[スタンレー電気が702億円で全株式を取得した](/tse/6923/)。" }, { "label": "競合", "text": "競争優位は光源の性能ではなく、売り先を屋外に限ったことから来ていた。1963年時点で照明装置の全国生産に占める比率は岩崎電気が37〜38%、2位の[松下電器](/tse/6752/)が25%、3位の[東芝](/tse/6502/)が10%弱だった。両社は家庭用電球という最大の市場を持ち、その量産と流通に組織を割いている。岩崎電気はそこへ入らず、街路灯・防犯灯・高速道路・工場照明という官公需と産業用に品目を寄せ、1本あたりの単価が高い高ワット品で金額の占有率を稼いだ。ただしこの選び方は、光源が交換部品でなくなった時点で効かなくなる。寿命約40,000時間のLEDは交換需要そのものを細らせ、2019年には国内のLED市場が減少へ転じた。" } ], "profile": [ { "key": "founding_business", "label": "祖業", "value": "超短波兵器部品の製造" }, { "key": "delisting", "label": "上場と廃止", "value": "1961年〜2023年", "note": "東証二部へ上場、現在はスタンレー電気の連結子会社" } ], "foundingStory": true, "summary": { "description": "岩崎電気の歴史を創業から現在まで一次資料でたどる。沿革・財務・歴代社長・大株主・セグメントの長期データを時系列で横断。" }, "chapters": [ { "start_year": 1944, "end_year": 1954, "main_title": "超短波兵器部品から反射形白熱電球へ転じた岩崎電気", "subsections": [ { "title": "軍部要請で創設した超短波兵器部品の7工場", "text": "1944年8月18日、岩崎通信機の常務取締役だった岩崎福市氏が、当時の軍部からの要請を受け、東京都渋谷区代々木上原町に資本金200万円で岩崎電波工業を創設した。目的は超短波兵器部品の製造にあり、工場はまず杉並区高井戸に置いた。軍需が急増するにつれ、荻窪工場、西荻窪工場、荏原工場、甲府工場、秋田工場、新潟工場など7工場を相次いで買収し、増設した。創立からの1年で、同社は資本金200万円のまま、東京から甲府、秋田、新潟にまたがる7つの工場を抱える会社になった。終戦までの1年間、この7工場がつくったのは軍の求める兵器部品である。\n\n敗戦は、軍部という唯一の注文元を一度に消した。企業の縮小にあたって生産の集中化を図り、7工場のうち6工場を整理したうえで、1945年9月に社名を岩崎電気へ改めた。手元に残ったのは西荻窪工場一つで、同社は1949年1月にこれを本社工場として再建に乗り出した。同年10月には特別経理会社法により100万円を減資し、改めて50万円を増資したことで、資本金は150万円となった。創立時に積んだ200万円を下回る水準まで、資本金はいったん縮んだ。終戦とともに、同社は製品を特殊電球と真空管に絞り、照明の専門メーカーとして再出発した。", "references": [ { "title": "証券業報 12号（1959年）「岩崎電気株式会社」／企業の歴史 : 明治百年 3編 企業の歴史（1968年）「岩崎電気」", "year": null, "month": null, "date": null, "url": null, "quotes": [] }, { "title": "証券業報 12号（1959年）「岩崎電気株式会社」", "year": null, "month": null, "date": null, "url": null, "quotes": [] }, { "title": "証券業報 12号（1959年）「岩崎電気株式会社」／岩崎電気 有価証券報告書【沿革】", "year": null, "month": null, "date": null, "url": null, "quotes": [] }, { "title": "企業の歴史 : 明治百年 3編 企業の歴史（1968年）「岩崎電気」", "year": null, "month": null, "date": null, "url": null, "quotes": [] }, { "title": "野田経済 1960年8月22日号", "year": null, "month": null, "date": null, "url": null, "quotes": [] }, { "title": "岩崎電気 有価証券報告書【沿革】", "year": null, "month": null, "date": null, "url": null, "quotes": [] }, { "title": "企業の歴史 : 明治百年 3編 企業の歴史（1968年）「岩崎電気」／野田経済 1960年8月22日号「照明ひとすじに――岩崎電気社長 岩崎福市 本所会長 野田豊」", "year": null, "month": null, "date": null, "url": null, "quotes": [] } ], "start_year": 1944, "opinionPos": [ [], [ 22 ] ] } ] } ], "long_term": [ { "year": 1961, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1962, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1963, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1964, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1965, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1966, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1967, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1968, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1969, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1970, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1971, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1972, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1973, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1974, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1975, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1976, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1977, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1978, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1979, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1980, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1981, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1982, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1983, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1984, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1985, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1986, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1987, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1988, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1989, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1990, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1991, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1992, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": 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"net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1998, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 1999, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 2000, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 2001, "month": 3, "company_name": "岩崎電気", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": null }, { "year": 2002, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 706, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常損益", "ordinary_profit": 9, "net_profit_jp": "当期純損益", "net_profit": -19, "net_margin": -2.692, "employees": null, "reference": null }, { "year": 2003, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 709, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常損益", "ordinary_profit": 25, "net_profit_jp": "当期純損益", "net_profit": 3, "net_margin": 0.423, "employees": null, "reference": null }, { "year": 2004, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 705, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常損益", "ordinary_profit": 21, "net_profit_jp": "当期純損益", "net_profit": 6, "net_margin": 0.851, "employees": null, "reference": null }, { "year": 2005, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 725, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常損益", "ordinary_profit": 28, "net_profit_jp": "当期純損益", "net_profit": 16, "net_margin": 2.206, "employees": null, "reference": null }, { "year": 2006, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 717, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常損益", "ordinary_profit": 19, "net_profit_jp": "当期純損益", "net_profit": 7, "net_margin": 0.976, "employees": null, "reference": null }, { "year": 2007, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 710, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益又は経常損失（△）", "ordinary_profit": 26, "net_profit_jp": "当期純利益又は当期純損失（△）", "net_profit": 5, "net_margin": 0.704, "employees": null, "reference": null }, { "year": 2008, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 717, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益又は経常損失（△）", "ordinary_profit": 22, "net_profit_jp": "当期純利益又は当期純損失（△）", "net_profit": 10, "net_margin": 1.394, "employees": null, "reference": null }, { "year": 2009, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 642, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益又は経常損失（△）", "ordinary_profit": -6, "net_profit_jp": "当期純利益又は当期純損失（△）", "net_profit": -24, "net_margin": -3.739, "employees": null, "reference": null }, { "year": 2010, "month": 3, "company_name": "岩崎電気", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 524, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益又は経常損失（△）", "ordinary_profit": -6, "net_profit_jp": "当期純利益又は当期純損失（△）", "net_profit": -80, "net_margin": -15.268, "employees": null, "reference": null }, { "year": 2011, "month": 3, "company_name": 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