{ "spec_version": "4", "endpoint": "history", "stock_code": "4206", "company_name": "アイカ工業", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/4206/decisions/", "api_url": "/api/4206/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/4206/decisions/", "source": { "long_term": { "primary": [ "会社年鑑（1986年版）", "会社年鑑（1976年版）半期合算", "会社年鑑（1963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", "会社年鑑（1963年版・1967年版）半期合算", "会社年鑑（1967年版・1971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": "アイカ工業の歴史概略", "eras": [ { "title": "愛知時計電機の化学部門から独立した愛知化学工業と愛知無敵糊、点火栓事業の譲渡", "start_year": 1936, "end_year": 1959 }, { "title": "メラミン化粧板の生産とアイカ工業への改称、製紙撤退とジョリパット", "start_year": 1960, "end_year": 1985 }, { "title": "東証一部上場とアイカセラール、国内化成品メーカーへの資本参加", "start_year": 1986, "end_year": 2011 }, { "title": "ダイネア・アジア買収による海外化成品の拡大と売上高2000億円の達成", "start_year": 2012, "end_year": 2026 } ], "summary": { "description": "アイカ工業（旧愛知化学工業）の歴史。1936年、愛知時計電機の化学部門が分離独立し名古屋で接着剤の製造を開始。「愛知無敵糊」、メラミン化粧板、塗材「ジョリパット」までの沿革と経緯を執筆。" }, "long_term": [ { "year": 1950, "month": 3, "company_name": "アイカ工業", "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": 1951, "month": 3, "company_name": "アイカ工業", "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": 1952, "month": 3, "company_name": "アイカ工業", "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": 1953, "month": 3, "company_name": "アイカ工業", "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": 1954, "month": 3, "company_name": "アイカ工業", "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": 1955, "month": 3, "company_name": "アイカ工業", "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": 1956, "month": 3, "company_name": "アイカ工業", "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": 1957, "month": 3, "company_name": "アイカ工業", "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": 1958, "month": 3, "company_name": "アイカ工業", "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": 1959, "month": 11, "company_name": "愛知化学工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 3.64, "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": 1960, "month": 11, "company_name": "愛知化学工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 6.87, "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": 11, "company_name": "愛知化学工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 9.37, "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": 11, "company_name": "愛知化学工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 11.76, "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": 11, "company_name": "愛知化学工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 14.98, "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（1967年版）半期合算" }, { "year": 1964, "month": 11, "company_name": "愛知化学工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 24.22, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 0.8, "net_margin": 3.303, "employees": null, "reference": "会社年鑑（1967年版）半期合算" }, { "year": 1965, "month": 11, "company_name": "愛知化学工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 27.17, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1.13, "net_margin": 4.158, "employees": null, "reference": "会社年鑑（1967年版）半期合算" }, { "year": 1966, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 32.93, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1.46, "net_margin": 4.433, "employees": null, "reference": "会社年鑑（1967年版・1971年版）半期合算" }, { "year": 1967, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 39.99, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1.54, "net_margin": 3.85, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1968, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 45.59, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1.54, "net_margin": 3.377, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1969, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 53.73, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": null, "ordinary_profit": null, "net_profit_jp": "当期純利益", "net_profit": 1.73, "net_margin": 3.219, "employees": null, "reference": "会社年鑑（1971年版）半期合算" }, { "year": 1970, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 67.74, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 3.27, "net_profit_jp": "当期純利益", "net_profit": 1.79, "net_margin": 2.642, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1971, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 65.15, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 2.93, "net_profit_jp": "当期純利益", "net_profit": 1.71, "net_margin": 2.624, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1972, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 77.72, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 3.44, "net_profit_jp": "当期純利益", "net_profit": 1.86, "net_margin": 2.393, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1973, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 114.68, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 5.51, "net_profit_jp": "当期純利益", "net_profit": 2.35, "net_margin": 2.049, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1974, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 144.38, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 10.58, "net_profit_jp": "当期純利益", "net_profit": 4.61, "net_margin": 3.192, "employees": null, "reference": "会社年鑑（1976年版）半期合算" }, { "year": 1975, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 143.23, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 5.1, "net_profit_jp": "当期純利益", "net_profit": 3.4, "net_margin": 2.373, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1976, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 175.4, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 9.69, "net_profit_jp": "当期純利益", "net_profit": 4.35, "net_margin": 2.48, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1977, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 192.52, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 9.82, "net_profit_jp": "当期純利益", "net_profit": 4.52, "net_margin": 2.347, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1978, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 200.73, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 10.41, "net_profit_jp": "当期純利益", "net_profit": 4.15, "net_margin": 2.067, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1979, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 247.18, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 15.9, "net_profit_jp": "当期純利益", "net_profit": 6, "net_margin": 2.427, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1980, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 271.02, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 20.02, "net_profit_jp": "当期純利益", "net_profit": 9, "net_margin": 3.32, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1981, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 277.31, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 18.25, "net_profit_jp": "当期純利益", "net_profit": 9.54, "net_margin": 3.44, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1982, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 290.98, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 17.21, "net_profit_jp": "当期純利益", "net_profit": 8.79, "net_margin": 3.02, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1983, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 293.88, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 17.31, "net_profit_jp": "当期純利益", "net_profit": 7.73, "net_margin": 2.63, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1984, "month": 11, "company_name": "アイカ工業", "consolidation": "単体", "accounting_standard": "JGAAP", "unit": "億円", "sales_jp": "売上高", "sales": 318.38, "operating_profit_jp": null, "operating_profit": null, "ordinary_profit_jp": "経常利益", "ordinary_profit": 20.22, "net_profit_jp": "当期純利益", "net_profit": 8.73, "net_margin": 2.742, "employees": null, "reference": "会社年鑑（1986年版）" }, { "year": 1985, "month": 3, "company_name": "アイカ工業", "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": 1986, "month": 3, "company_name": "アイカ工業", "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": 1987, "month": 3, "company_name": "アイカ工業", "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": 1988, "month": 3, "company_name": "アイカ工業", "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": 1989, "month": 3, "company_name": "アイカ工業", "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": 1990, "month": 3, "company_name": "アイカ工業", "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": 1991, "month": 3, "company_name": "アイカ工業", "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": 1992, "month": 3, "company_name": "アイカ工業", "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": 1993, "month": 3, "company_name": "アイカ工業", "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": 1994, "month": 3, "company_name": "アイカ工業", "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": 1995, "month": 3, "company_name": "アイカ工業", "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": 1996, "month": 3, "company_name": "アイカ工業", "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": 1997, "month": 3, 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