{ "spec_version": "5", "endpoint": "history", "stock_code": "3153", "company_name": "八洲電機", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/3153/decisions/", "api_url": "/api/3153/history.json", "updated": "2026-10-27", "license": "© 2026 Yutaka Sugiura. All rights reserved.", "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/3153/decisions/", "source": { "long_term": { "primary": [ "有価証券報告書" ], "extraction": "EDINET の XBRL、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": "八洲電機の歴史概略", "eras": [ { "title": "八洲電機商会の創業と日立製作所の特約店化", "start_year": 1946, "end_year": 1969, "phase": "founding" }, { "title": "大阪進出と八洲電機サービスの設立", "start_year": 1970, "end_year": 2003, "phase": "growth" }, { "title": "大成電機の合併と東証一部への指定替え", "start_year": 2004, "end_year": 2015, "phase": "maturity" }, { "title": "事業別の分社化と八洲電子ソリューションズの売却", "start_year": 2016, "end_year": 2026, "phase": "transformation" } ], "long_term": [ { "year": 1950, "month": 3, "company_name": "3153", "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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