{ "spec_version": "4", "endpoint": "history", "stock_code": "6808", "company_name": "シントム", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/6808/decisions/", "api_url": "/api/6808/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/6808/decisions/", "source": { "long_term": { "primary": [ "会社年鑑（1986年版）", "会社年鑑（1976年版）", "シントム平成14年3月期個別財務諸表の概要（archive.org）", "シントム第48期株主総会報告 営業成績の推移（archive.org）", "シントム第48期営業の概況（archive.org）／シントム第49期株主総会報告 営業成績の推移（archive.org）", "シントム第49期営業の概況（archive.org）／シントム第49期株主総会報告 営業成績の推移（archive.org）" ], "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": "シントムの歴史概略", "eras": [ { "title": "新東京無線の設立と東芝協力工場としてのカーラジオ生産、輸出の開始", "start_year": 1955, "end_year": 1966 }, { "title": "カーステレオ輸出専門メーカーとしての独立とシントムへの改称、東証上場とVTR参入", "start_year": 1967, "end_year": 1987 }, { "title": "自動車電話・携帯電話への参入と米AUDIOVOXとの合弁TALK、新山形工場", "start_year": 1988, "end_year": 1998 }, { "title": "ビデオ事業の縮小とGSM携帯電話、特定調停と東証一部上場廃止", "start_year": 1999, "end_year": 2002 } ], "summary": { "description": "シントム（旧新東京無線）の歴史。1955年、井上信太郎氏が東京で新東京無線を設立し東芝の協力工場としてカーラジオを生産。カーステレオ輸出専業への独立、VTRと携帯電話、破産までの沿革と経緯を執筆。" }, "long_term": [ { "year": 1971, "month": 6, "company_name": "新東京無線", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 43, "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": 4, "net_margin": 9.302, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1972, "month": 6, "company_name": "新東京無線", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 53, "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": 9.433, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1973, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 67, "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": 8.955, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1974, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 73, "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": 5, "net_margin": 6.849, "employees": null, "reference": "会社年鑑（1976年版）" }, { "year": 1975, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 74, "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": 8.108, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1976, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 135, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 23, "net_profit_jp": "当期純利益", "net_profit": 11, "net_margin": 8.148, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1977, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 166, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 24, "net_profit_jp": "当期純利益", "net_profit": 13, "net_margin": 7.831, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1978, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 166, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 28, "net_profit_jp": "当期純利益", "net_profit": 14, "net_margin": 8.433, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1979, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 160, "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": 14, "net_margin": 8.75, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1980, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 96, "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": 7, "net_margin": 7.291, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1981, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 109, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 3, "net_profit_jp": "当期純利益", "net_profit": 4, "net_margin": 3.669, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1982, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 113, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 0, "net_profit_jp": "当期純利益", "net_profit": 1, "net_margin": 0.884, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1983, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 122, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 3, "net_profit_jp": "当期純利益", "net_profit": 2, "net_margin": 1.639, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1984, "month": 6, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 196, "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": 6, "net_margin": 3.061, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1985, "month": 3, "company_name": "シントム", "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": 3, "company_name": "シントム", "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": "シントム", "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": "シントム", "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": "シントム", "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": 1990, "month": 3, "company_name": "シントム", "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": 1991, "month": 3, "company_name": "シントム", "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": 1992, "month": 3, "company_name": "シントム", "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": 1993, "month": 3, "company_name": "シントム", "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": 1994, "month": 3, "company_name": "シントム", "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": 1995, "month": 3, "company_name": "シントム", "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": 1996, "month": 3, "company_name": "シントム", "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": 1997, "month": 3, "company_name": "シントム", "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": 1998, "month": 3, "company_name": "シントム", "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": "シントム", "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": "シントム", "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": "経常利益", "ordinary_profit": -62, "net_profit_jp": "当期純利益", "net_profit": -131, "net_margin": -59.546, "employees": null, "reference": "シントム第48期株主総会報告 営業成績の推移（archive.org）" }, { "year": 2001, "month": 3, "company_name": "シントム", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 102, "operating_profit_jp": "営業利益", "operating_profit": -26, "ordinary_profit_jp": "経常利益", "ordinary_profit": -10, "net_profit_jp": "当期純利益", "net_profit": -100, "net_margin": -98.04, "employees": null, "reference": "シントム平成14年3月期個別財務諸表の概要（archive.org）" }, { "year": 2002, "month": 3, "company_name": "シントム", "consolidation": "連結", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 53, "operating_profit_jp": "営業利益", "operating_profit": -44, "ordinary_profit_jp": "経常利益", "ordinary_profit": -38, "net_profit_jp": "当期純利益", "net_profit": -74, "net_margin": -139.623, "employees": null, "reference": "シントム平成14年3月期個別財務諸表の概要（archive.org）" }, { "year": 2003, "month": 3, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 27, "operating_profit_jp": "営業利益", "operating_profit": -13, "ordinary_profit_jp": "経常利益", "ordinary_profit": -23, "net_profit_jp": "当期純利益", "net_profit": -27, "net_margin": -100, "employees": null, "reference": "シントム第48期営業の概況（archive.org）／シントム第49期株主総会報告 営業成績の推移（archive.org）" }, { "year": 2004, "month": 3, "company_name": "シントム", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 4, "operating_profit_jp": "営業利益", "operating_profit": 0, "ordinary_profit_jp": "経常利益", "ordinary_profit": 2, "net_profit_jp": "当期純利益", "net_profit": 145, "net_margin": 3625, "employees": null, "reference": "シントム第49期営業の概況（archive.org）／シントム第49期株主総会報告 営業成績の推移（archive.org）" } ] }