{ "spec_version": "4", "endpoint": "history", "stock_code": "8012", "company_name": "長瀬産業", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/8012/decisions/", "api_url": "/api/8012/history.json", "updated": "2026-09-26", "license": "© 2026 Yutaka Sugiura. All rights reserved.", "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/8012/decisions/", "source": { "long_term": { "primary": [ "会社年鑑（1976年版）", "会社年鑑（1986年版）", "会社年鑑（1967年版）", "会社年鑑（1971年版）" ], "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": "長瀬産業の歴史概略", "eras": [ { "title": "京都西陣で創業した鱗形屋の染料・澱粉・ふのり商い", "start_year": 1832, "end_year": 1867 }, { "title": "明治維新後の染料商いと大阪支店の開設", "start_year": 1868, "end_year": 1897 }, { "title": "大阪への本店移転と欧米化学・コダックとの取引開始、個人経営からの改組", "start_year": 1898, "end_year": 1929 }, { "title": "ユニオンカーバイドとの代理店契約と極東現像所、戦時下の長瀬産業への改称と戦後", "start_year": 1930, "end_year": 1963 }, { "title": "上場とGE・チバガイギーとの合弁、播磨・福知山工場による製造への進出", "start_year": 1964, "end_year": 1988 }, { "title": "コダック事業の売却と両本社制、中国展開と林原・Prinova買収による食品素材への拡大", "start_year": 1989, "end_year": 2026 } ], "summary": { "description": "長瀬産業（旧長瀬商店）の歴史。1832年、長瀬伝兵衛氏が京都西陣で染料や澱粉を商う鱗形屋を開いた化学品商社。コダックやGEとの代理店契約、ナガセケムテックス、林原の取得までの沿革と経緯を執筆。" }, "long_term": [ { "year": 1950, "month": 3, "company_name": "長瀬産業", "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": 1951, "month": 3, "company_name": "長瀬産業", "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": 1952, "month": 3, "company_name": "長瀬産業", "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": 1953, "month": 3, "company_name": "長瀬産業", "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": 1954, "month": 3, "company_name": "長瀬産業", "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": 1955, "month": 3, "company_name": "長瀬産業", "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": 1956, "month": 3, "company_name": "長瀬産業", "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": 1957, "month": 3, "company_name": "長瀬産業", "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": 1958, "month": 3, "company_name": "長瀬産業", "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": 1959, "month": 3, "company_name": "長瀬産業", "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": 1960, "month": 3, "company_name": "長瀬産業", "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": 1961, "month": 3, "company_name": "長瀬産業", "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": "長瀬産業", "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": "長瀬産業", "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": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 427, "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": "会社年鑑（1967年版）" }, { "year": 1965, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 482, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 4.16, "net_margin": 0.863, "employees": null, "reference": "会社年鑑（1971年版）" }, { "year": 1966, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 531, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 8.15, "net_profit_jp": "当期純利益", "net_profit": 4.25, "net_margin": 0.8, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1967, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 650, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 11.85, "net_profit_jp": "当期純利益", "net_profit": 6.36, "net_margin": 0.978, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1968, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 801, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 19.56, "net_profit_jp": "当期純利益", "net_profit": 9.6, "net_margin": 1.198, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1969, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 925, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 22.09, "net_profit_jp": "当期純利益", "net_profit": 15.59, "net_margin": 1.685, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1970, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1161, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 34.16, "net_profit_jp": "当期純利益", "net_profit": 17.51, "net_margin": 1.508, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1971, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1329, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 28.07, "net_profit_jp": "当期純利益", "net_profit": 15.81, "net_margin": 1.189, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1972, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1369, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 23.58, "net_profit_jp": "当期純利益", "net_profit": 15.82, "net_margin": 1.155, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1973, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1602, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 42.4, "net_profit_jp": "当期純利益", "net_profit": 23.52, "net_margin": 1.468, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1974, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2315, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 54.12, "net_profit_jp": "当期純利益", "net_profit": 26.91, "net_margin": 1.162, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1975, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2263, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 23.12, "net_profit_jp": "当期純利益", "net_profit": 14.11, "net_margin": 0.623, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1976, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2496, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 40.23, "net_profit_jp": "当期純利益", "net_profit": 15.83, "net_margin": 0.634, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1977, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3025, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 46.96, "net_profit_jp": "当期純利益", "net_profit": 19.04, "net_margin": 0.629, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1978, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3095, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 55.03, "net_profit_jp": "当期純利益", "net_profit": 21.53, "net_margin": 0.695, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1979, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3288, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 67.35, "net_profit_jp": "当期純利益", "net_profit": 31.6, "net_margin": 0.961, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1980, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 4276, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 73.84, "net_profit_jp": "当期純利益", "net_profit": 33.39, "net_margin": 0.78, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1981, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 4327, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 62.94, "net_profit_jp": "当期純利益", "net_profit": 26.53, "net_margin": 0.613, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1982, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 4575, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 68.62, "net_profit_jp": "当期純利益", "net_profit": 28.53, "net_margin": 0.623, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1983, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 4712, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 60.04, "net_profit_jp": "当期純利益", "net_profit": 30.64, "net_margin": 0.65, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1984, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 4888, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 86.81, "net_profit_jp": "当期純利益", "net_profit": 39.59, "net_margin": 0.809, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1985, "month": 3, "company_name": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 5078, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 95.65, "net_profit_jp": "当期純利益", "net_profit": 46.2, "net_margin": 0.909, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1986, "month": 3, "company_name": "長瀬産業", "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": "長瀬産業", "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": "長瀬産業", "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": "長瀬産業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": null, "sales": null, "operating_profit_jp": null, "operating_profit": null, 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