{ "spec_version": "4", "endpoint": "history", "stock_code": "6622", "company_name": "ダイヘン", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/6622/decisions/", "api_url": "/api/6622/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/6622/decisions/", "source": { "long_term": { "primary": [ "会社年鑑（1986年版）", "ダイヤモンド会社産業総覧 1964年版 半期合算", "会社年鑑（1976年版）半期合算", "会社年鑑（1971年版）半期合算", "会社年鑑（1963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": "ダイヘンの歴史概略", "eras": [ { "title": "大阪変圧器の柱上変圧器からネオン変圧器・電気溶接機・無線機へ、終戦での工場閉鎖", "start_year": 1919, "end_year": 1945 }, { "title": "大証・東証上場と阪神熔接機材・九州変圧器の設立、摂津・千歳・三重工場", "start_year": 1946, "end_year": 1979 }, { "title": "アーク溶接ロボットの生産とダイヘンへの改称、タイ・米国・中国への進出", "start_year": 1980, "end_year": 2006 }, { "title": "六甲事業所と欧州溶接機メーカー買収、中国電機・東北電機の子会社化と二本社制", "start_year": 2007, "end_year": 2026 } ], "summary": { "description": "ダイヘン（旧大阪変圧器）の歴史。1919年、小林愛三氏が大阪で大阪変圧器を設立し柱上変圧器の生産を開始。電気溶接機とアーク溶接ロボットへの展開、スロベニアVARSTROJ買収までの沿革と経緯を執筆。" }, "long_term": [ { "year": 1950, "month": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 37, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 3, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "ダイヤモンド会社産業総覧 1964年版 半期合算" }, { "year": 1957, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 51, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 4, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "ダイヤモンド会社産業総覧 1964年版 半期合算" }, { "year": 1958, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 36, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 3, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "ダイヤモンド会社産業総覧 1964年版 半期合算" }, { "year": 1959, "month": 10, "company_name": "大阪変圧器", "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": "経常利益", "ordinary_profit": 2, "net_profit_jp": null, "net_profit": null, "net_margin": null, "employees": null, "reference": "ダイヤモンド会社産業総覧 1964年版 半期合算" }, { "year": 1960, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 70, "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": 1961, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 88, "operating_profit_jp": "営業利益", "operating_profit": 10, "ordinary_profit_jp": "経常利益", "ordinary_profit": 8, "net_profit_jp": "当期純利益", "net_profit": 4, "net_margin": 4.545, "employees": null, "reference": "ダイヤモンド会社産業総覧 1964年版 半期合算" }, { "year": 1962, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 77, "operating_profit_jp": "営業利益", "operating_profit": 6, "ordinary_profit_jp": "経常利益", "ordinary_profit": 5, "net_profit_jp": "当期純利益", "net_profit": 3, "net_margin": 3.896, "employees": 1760, "reference": "ダイヤモンド会社産業総覧 1964年版 半期合算" }, { "year": 1963, "month": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "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": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 149, "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": 2.684, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1968, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 175, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 6, "net_margin": 3.428, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1969, "month": 10, "company_name": "大阪変圧器", "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": 7, "net_margin": 3.448, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1970, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 235, "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": 3.404, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1971, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 237, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 11, "net_profit_jp": "当期純利益", "net_profit": 7, "net_margin": 2.953, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1972, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 226, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 5, "net_profit_jp": "当期純利益", "net_profit": 5, "net_margin": 2.212, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1973, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 281, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 11, "net_profit_jp": "当期純利益", "net_profit": 7, "net_margin": 2.491, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1974, "month": 10, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 334, "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": 6, "net_margin": 1.796, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1975, "month": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 243, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": -5, "net_profit_jp": "当期純利益", "net_profit": -0.53, "net_margin": -0.219, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1977, "month": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 307, "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": 4, "net_margin": 1.302, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1978, "month": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 337, "operating_profit_jp": "営業利益", "operating_profit": 11.7, "ordinary_profit_jp": "経常利益", "ordinary_profit": 9, "net_profit_jp": "当期純利益", "net_profit": 5, "net_margin": 1.483, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1979, "month": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 369, "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": 1.897, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1980, "month": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 381, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 10, "net_profit_jp": "当期純利益", "net_profit": 6, "net_margin": 1.574, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1981, "month": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 412, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 11, "net_profit_jp": "当期純利益", "net_profit": 6, "net_margin": 1.456, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1982, "month": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 402, "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": 7, "net_margin": 1.741, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1983, "month": 4, "company_name": "大阪変圧器", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 374, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 9, "net_profit_jp": "当期純利益", "net_profit": 5, "net_margin": 1.336, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1984, "month": 4, "company_name": "大阪変圧器", "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": 5, "net_profit_jp": "当期純利益", "net_profit": 2, "net_margin": 0.584, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1985, "month": 4, "company_name": "大阪変圧器", "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": 4, "company_name": "ダイヘン", "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": "ダイヘン", "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": "ダイヘン", "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": 1989, "month": 3, "company_name": "ダイヘン", "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": 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