{ "spec_version": "4", "endpoint": "history", "stock_code": "7220", "company_name": "武蔵精密工業", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/7220/decisions/", "api_url": "/api/7220/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/7220/decisions/", "source": { "long_term": { "primary": [ "有価証券報告書" ], "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": "武蔵精密工業の歴史概略", "eras": [ { "title": "大塚美春の大塚製作所から航空機部品、戦後のミシン部品への転換", "start_year": 1938, "end_year": 1955 }, { "title": "本田技研工業との取引で二輪・四輪部品へ、冷間鍛造と鈴鹿・鳳来工場", "start_year": 1956, "end_year": 1986 }, { "title": "ホンダの資本参加と米英・ハンガリー・インド・中国への工場展開、東証上場", "start_year": 1987, "end_year": 2008 }, { "title": "能登工場閉鎖からメキシコ進出、ハイ買収・Musashi AI・JMエナジーで電動化へ", "start_year": 2009, "end_year": 2026 } ], "summary": { "description": "武蔵精密工業（旧武蔵産業）の歴史。1938年、大塚美春氏が東京・戸越で大塚製作所を創業しミシン部品から二輪車部品へ転換。本田技研工業とのカムシャフト取引、ボールジョイント、Musashi AI設立までの沿革と経緯を執筆。" }, "long_term": [ { "year": 1998, "month": 3, "company_name": "武蔵精密工業", "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": 1999, "month": 3, "company_name": "武蔵精密工業", "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": 2000, "month": 3, "company_name": "武蔵精密工業", "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": 2001, "month": 3, "company_name": "武蔵精密工業", "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": 2002, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 722, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 64, "net_profit_jp": "当期純利益", "net_profit": 33, "net_margin": 4.57, "employees": null, "reference": null }, { "year": 2003, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 882, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 76, "net_profit_jp": "当期純利益", "net_profit": 42, "net_margin": 4.761, "employees": null, "reference": null }, { "year": 2004, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 923, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 92, "net_profit_jp": "当期純利益", "net_profit": 48, "net_margin": 5.2, "employees": null, "reference": null }, { "year": 2005, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1072, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 117, "net_profit_jp": "当期純利益", "net_profit": 64, "net_margin": 5.97, "employees": null, "reference": null }, { "year": 2006, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1255, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 96, "net_profit_jp": "当期純利益", "net_profit": 48, "net_margin": 3.824, "employees": null, "reference": null }, { "year": 2007, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1443, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 109, "net_profit_jp": "当期純利益", "net_profit": 50, "net_margin": 3.465, "employees": null, "reference": null }, { "year": 2008, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1613, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 148, "net_profit_jp": "当期純利益", "net_profit": 86, "net_margin": 5.331, "employees": null, "reference": null }, { "year": 2009, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1455, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 59, "net_profit_jp": "当期純利益又は当期純損失（△）", "net_profit": -44, "net_margin": -3.025, "employees": null, "reference": null }, { "year": 2010, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1078, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 59, "net_profit_jp": "当期純利益又は当期純損失（△）", "net_profit": 36, "net_margin": 3.339, "employees": null, "reference": null }, { "year": 2011, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1270, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 127, "net_profit_jp": "当期純利益又は当期純損失（△）", "net_profit": 92, "net_margin": 7.244, "employees": null, "reference": null }, { "year": 2012, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1252, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 107, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 44, "net_margin": 3.514, "employees": 8357, "reference": null }, { "year": 2013, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1260, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 26, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 25, "net_margin": 1.984, "employees": 8563, "reference": null }, { "year": 2014, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1488, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 96, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 68, "net_margin": 4.569, "employees": 9511, "reference": null }, { "year": 2015, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1582, "operating_profit_jp": "営業利益", "operating_profit": 116, "ordinary_profit_jp": "経常利益", "ordinary_profit": 119, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 64, "net_margin": 4.045, "employees": 10436, "reference": null }, { "year": 2016, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1644, "operating_profit_jp": "営業利益", "operating_profit": 134, "ordinary_profit_jp": "経常利益", "ordinary_profit": 114, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 68, "net_margin": 4.136, "employees": 10172, "reference": null }, { "year": 2017, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 1805, "operating_profit_jp": "営業利益", "operating_profit": 112, "ordinary_profit_jp": "経常利益", "ordinary_profit": 103, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 63, "net_margin": 3.49, "employees": 12493, "reference": null }, { "year": 2018, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2379, "operating_profit_jp": "営業利益", "operating_profit": 158, "ordinary_profit_jp": "経常利益", "ordinary_profit": 159, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 104, "net_margin": 4.371, "employees": 12595, "reference": null }, { "year": 2019, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2559, "operating_profit_jp": "営業利益", "operating_profit": 141, "ordinary_profit_jp": "経常利益", "ordinary_profit": 148, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 99, "net_margin": 3.868, "employees": 12990, "reference": null }, { "year": 2020, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2364, "operating_profit_jp": "営業利益", "operating_profit": 73, "ordinary_profit_jp": "経常利益", "ordinary_profit": 71, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": -69, "net_margin": -2.919, "employees": 12853, "reference": null }, { "year": 2021, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2047, "operating_profit_jp": "営業利益", "operating_profit": 75, "ordinary_profit_jp": "経常利益", "ordinary_profit": 83, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 74, "net_margin": 3.615, "employees": 12868, "reference": null }, { "year": 2022, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 2419, "operating_profit_jp": "営業利益", "operating_profit": 84, "ordinary_profit_jp": "経常利益", "ordinary_profit": 94, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 54, "net_margin": 2.232, "employees": 12832, "reference": null }, { "year": 2023, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3015, "operating_profit_jp": "営業利益", "operating_profit": 77, "ordinary_profit_jp": "経常利益", "ordinary_profit": 70, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 24, "net_margin": 0.796, "employees": 12957, "reference": null }, { "year": 2024, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3499, "operating_profit_jp": "営業利益", "operating_profit": 184, "ordinary_profit_jp": "経常利益", "ordinary_profit": 156, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 79, "net_margin": 2.257, "employees": 12830, "reference": null }, { "year": 2025, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3472, "operating_profit_jp": "営業利益", "operating_profit": 197, "ordinary_profit_jp": "経常利益", "ordinary_profit": 180, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 78, "net_margin": 2.246, "employees": 12420, "reference": null }, { "year": 2026, "month": 3, "company_name": "武蔵精密工業", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3472, "operating_profit_jp": "営業利益", "operating_profit": 205, "ordinary_profit_jp": "経常利益", "ordinary_profit": 202, "net_profit_jp": "親会社株主に帰属する当期純利益", "net_profit": 13, "net_margin": 0.374, "employees": 12227, "reference": null } ] }