{ "spec_version": "4", "endpoint": "history", "stock_code": "6371", "company_name": "椿本チエイン", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/6371/decisions/", "api_url": "/api/6371/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/6371/decisions/", "source": { "long_term": { "primary": [ "会社年鑑 1986年版", "会社年鑑 1976年版 半期合算", "上場会社総覧 1956年版 半期合算", "会社年鑑 1967年版 半期合算", "会社年鑑 1971年版 半期合算", "上場会社総覧 1959年版 半期合算", "会社年鑑 1963年版 半期合算", "上場会社総覧 1956年版・1959年版 半期合算", "上場会社総覧 1959年版・1961年版 半期合算", "上場会社総覧 1961年版 半期合算" ], "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": "椿本チエインの歴史概略", "eras": [ { "title": "椿本説三の個人創業とローラチェーン・コンベヤチェーン、株式会社への改組", "start_year": 1917, "end_year": 1948 }, { "title": "上場と自動車用タイミングチェーンの量産、ボルグ・ワーナーとの合弁と米国・台湾進出", "start_year": 1949, "end_year": 1983 }, { "title": "エマソンとの合弁とユニオンチェーン買収、タイ・中国の自動車部品拠点", "start_year": 1984, "end_year": 2009 }, { "title": "独Kabelschleppと米Mayfranの買収、事業統括の再編と大同工業の子会社化", "start_year": 2010, "end_year": 2026 } ], "summary": { "description": "椿本チエイン（旧椿本チヱイン製作所）の歴史。1917年、椿本説三氏が大阪府西成郡で創業しローラチェーンの製造へ。自動車用タイミングチェーン、独Kabelschleppの買収、大同工業の子会社化までの沿革と経緯を執筆。" }, "long_term": [ { "year": 1950, "month": 3, "company_name": "椿本チエイン", "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": "椿本チエイン", "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": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 9, "operating_profit_jp": "営業利益", "operating_profit": 1, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1, "net_margin": 11.111, "employees": null, "reference": "上場会社総覧 1956年版 半期合算" }, { "year": 1953, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 9, "operating_profit_jp": "営業利益", "operating_profit": 1, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1, "net_margin": 11.111, "employees": null, "reference": "上場会社総覧 1956年版 半期合算" }, { "year": 1954, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 10, "operating_profit_jp": "営業利益", "operating_profit": 2, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1, "net_margin": 10, "employees": null, "reference": "上場会社総覧 1956年版 半期合算" }, { "year": 1955, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 11, "operating_profit_jp": "営業利益", "operating_profit": 2, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1, "net_margin": 9.09, "employees": null, "reference": "上場会社総覧 1956年版 半期合算" }, { "year": 1956, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 12, "operating_profit_jp": "営業利益", "operating_profit": 2, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "上場会社総覧 1956年版・1959年版 半期合算" }, { "year": 1957, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 19, "operating_profit_jp": "営業利益", "operating_profit": 3, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "上場会社総覧 1959年版 半期合算" }, { "year": 1958, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 21, "operating_profit_jp": "営業利益", "operating_profit": 3, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "上場会社総覧 1959年版 半期合算" }, { "year": 1959, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 18, "operating_profit_jp": "営業利益", "operating_profit": 2, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "上場会社総覧 1959年版・1961年版 半期合算" }, { "year": 1960, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 29, "operating_profit_jp": "営業利益", "operating_profit": 4, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "上場会社総覧 1961年版 半期合算" }, { "year": 1961, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 45, "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 1963年版 半期合算" }, { "year": 1962, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 63, "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 1963年版 半期合算" }, { "year": 1963, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 56, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 5, "net_margin": 8.928, "employees": null, "reference": "会社年鑑 1967年版 半期合算" }, { "year": 1964, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 59, "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, "net_margin": 6.779, "employees": null, "reference": "会社年鑑 1967年版 半期合算" }, { "year": 1965, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 78, "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, "net_margin": 5.128, "employees": null, "reference": "会社年鑑 1967年版 半期合算" }, { "year": 1966, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 72, "operating_profit_jp": "営業利益", "operating_profit": 8, "ordinary_profit_jp": "経常利益", "ordinary_profit": 4, "net_profit_jp": "当期純利益", "net_profit": 3, "net_margin": 4.166, "employees": null, "reference": "会社年鑑 1967年版 半期合算" }, { "year": 1967, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 87, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 3, "net_margin": 3.448, "employees": null, "reference": "会社年鑑 1971年版 半期合算" }, { "year": 1968, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 134, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 7, "net_margin": 5.223, "employees": null, "reference": "会社年鑑 1971年版 半期合算" }, { "year": 1969, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 185, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 13, "net_margin": 7.027, "employees": null, "reference": "会社年鑑 1971年版 半期合算" }, { "year": 1970, "month": 3, "company_name": "椿本チヱイン製作所", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 231, "operating_profit_jp": "営業利益", "operating_profit": 26, "ordinary_profit_jp": "経常利益", "ordinary_profit": 20, "net_profit_jp": "当期純利益", "net_profit": 13, "net_margin": 5.627, "employees": null, "reference": "会社年鑑 1971年版 半期合算" }, { "year": 1971, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 279, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 21, "net_profit_jp": "当期純利益", "net_profit": 13, "net_margin": 4.659, "employees": null, "reference": "会社年鑑 1976年版 半期合算" }, { "year": 1972, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 239, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 13, "net_profit_jp": "当期純利益", "net_profit": 9, "net_margin": 3.765, "employees": null, "reference": "会社年鑑 1976年版 半期合算" }, { "year": 1973, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 283, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 12, "net_profit_jp": "当期純利益", "net_profit": 8, "net_margin": 2.826, "employees": null, "reference": "会社年鑑 1976年版 半期合算" }, { "year": 1974, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 404, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 15, "net_profit_jp": "当期純利益", "net_profit": 10, "net_margin": 2.475, "employees": null, "reference": "会社年鑑 1976年版 半期合算" }, { "year": 1975, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 398, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 22, "net_profit_jp": "当期純利益", "net_profit": 11, "net_margin": 2.763, "employees": null, "reference": "会社年鑑 1976年版 半期合算" }, { "year": 1976, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 342, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 8, "net_profit_jp": "当期純利益", "net_profit": 7, "net_margin": 2.046, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1977, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 394, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": -2, "net_profit_jp": "当期純利益", "net_profit": 4, "net_margin": 1.015, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1978, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 458, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 4, "net_profit_jp": "当期純利益", "net_profit": 3, "net_margin": 0.655, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1979, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 474, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 14, "net_profit_jp": "当期純利益", "net_profit": 7, "net_margin": 1.476, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1980, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 560, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 27, "net_profit_jp": "当期純利益", "net_profit": 13, "net_margin": 2.321, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1981, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 659, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 48, "net_profit_jp": "当期純利益", "net_profit": 24, "net_margin": 3.641, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1982, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 646, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 53, "net_profit_jp": "当期純利益", "net_profit": 28, "net_margin": 4.334, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1983, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 663, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 45, "net_profit_jp": "当期純利益", "net_profit": 24, "net_margin": 3.619, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1984, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 649, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 35, "net_profit_jp": "当期純利益", "net_profit": 19, "net_margin": 2.927, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1985, "month": 3, "company_name": "椿本チエイン", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 756, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 44, "net_profit_jp": "当期純利益", "net_profit": 29, "net_margin": 3.835, "employees": null, "reference": "会社年鑑 1986年版" }, { "year": 1986, "month": 3, "company_name": "椿本チエイン", "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": "椿本チエイン", "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": "椿本チエイン", "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, 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