{ "spec_version": "4", "endpoint": "history", "stock_code": "9533", "company_name": "東邦ガス", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/9533/decisions/", "api_url": "/api/9533/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/9533/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（1959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（1956年版）半期合算", "上場会社総覧（1961年版）半期合算", "会社年鑑（1963年版）半期合算", "会社年鑑（1963年版・1967年版）半期合算", "会社年鑑（1971年版）変則13ヶ月合算（1966年1月〜1967年1月）" ], "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": "東邦ガスの歴史概略", "eras": [ { "title": "名古屋瓦斯の買収による東邦瓦斯の設立と九州ガス事業の合併・譲渡", "start_year": 1922, "end_year": 1948 }, { "title": "上場と港明製造所・空見工場、都市ガス100万件と知多工場", "start_year": 1949, "end_year": 1976 }, { "title": "知多LNG共同基地と天然ガス転換、四日市工場とカタールLNG", "start_year": 1977, "end_year": 2002 }, { "title": "周辺ガス3社の合併と伊勢湾横断パイプライン、電力参入と導管分社", "start_year": 2003, "end_year": 2026 } ], "summary": { "description": "東邦ガスの歴史。1922年、岡本桜氏らにより名古屋で設立され名古屋瓦斯を買収して都市ガス事業を開始。西部合同瓦斯の合併と譲渡、知多LNG基地と天然ガス転換、伊勢湾横断パイプラインまでの沿革と経緯を執筆。" }, "long_term": [ { "year": 1950, "month": 3, "company_name": "東邦ガス", "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": "東邦ガス", "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": "東邦ガス", "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": "東邦ガス", "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": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 45, "operating_profit_jp": "営業利益", "operating_profit": 4.29, "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）半期合算" }, { "year": 1955, "month": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 49, "operating_profit_jp": "営業利益", "operating_profit": 4.92, "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）半期合算" }, { "year": 1956, "month": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 62, "operating_profit_jp": "営業利益", "operating_profit": 7.54, "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": 1957, "month": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 73, "operating_profit_jp": "営業利益", "operating_profit": 7.24, "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": 12, "company_name": "東邦瓦斯", "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": 7.54, "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": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 82, "operating_profit_jp": "営業利益", "operating_profit": 7.12, "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": 1960, "month": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 103, "operating_profit_jp": "営業利益", "operating_profit": 12.89, "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": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 115, "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": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 118, "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・1967年版）半期合算" }, { "year": 1963, "month": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 143, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 9.64, "net_margin": 6.741, "employees": null, "reference": "会社年鑑（1967年版）半期合算" }, { "year": 1964, "month": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 163, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 12, "net_margin": 7.361, "employees": null, "reference": "会社年鑑（1967年版）半期合算" }, { "year": 1965, "month": 12, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 174, "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": 7.471, "employees": null, "reference": "会社年鑑（1967年版）半期合算" }, { "year": 1966, "month": 3, "company_name": "東邦ガス", "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": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 201, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 14, "net_margin": 6.965, "employees": null, "reference": "会社年鑑（1971年版）変則13ヶ月合算（1966年1月〜1967年1月）" }, { "year": 1968, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 203, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 15, "net_margin": 7.389, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1969, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 220, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 16, "net_margin": 7.272, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1970, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 244, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 17, "net_margin": 6.967, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1971, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 275, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 33, "net_profit_jp": "当期純利益", "net_profit": 18, "net_margin": 6.545, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1972, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 292, "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": 16, "net_margin": 5.479, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1973, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 314, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 19, "net_profit_jp": "当期純利益", "net_profit": 14, "net_margin": 4.458, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1974, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 365, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 0.24, "net_profit_jp": "当期純利益", "net_profit": 0.56, "net_margin": 0.153, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1975, "month": 1, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 501, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": -36, "net_profit_jp": "当期純利益", "net_profit": -6.76, "net_margin": -1.35, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1976, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 484, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 29, "net_profit_jp": "当期純利益", "net_profit": 19, "net_margin": 3.925, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1977, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 760, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 4.3, "net_profit_jp": "当期純利益", "net_profit": 12, "net_margin": 1.578, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1978, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 842, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 55, "net_profit_jp": "当期純利益", "net_profit": 27, "net_margin": 3.206, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1979, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 874, "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": 26, "net_margin": 2.974, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1980, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 948, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": -7.76, "net_profit_jp": "当期純利益", "net_profit": 7.37, "net_margin": 0.777, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1981, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1262, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 113, "net_profit_jp": "当期純利益", "net_profit": 48, "net_margin": 3.803, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1982, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1335, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 116, "net_profit_jp": "当期純利益", "net_profit": 50, "net_margin": 3.745, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1983, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1382, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 116, "net_profit_jp": "当期純利益", "net_profit": 49, "net_margin": 3.545, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1984, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1493, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 154, "net_profit_jp": "当期純利益", "net_profit": 62, "net_margin": 4.152, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1985, "month": 3, "company_name": "東邦瓦斯", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1552, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 169, "net_profit_jp": "当期純利益", "net_profit": 67, "net_margin": 4.317, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1986, "month": 3, "company_name": "東邦ガス", "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": "東邦ガス", "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": "東邦ガス", "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": "東邦ガス", 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