{
  "spec_version": "3",
  "endpoint": "timeline",
  "stock_code": "kawamoto",
  "company_name": "川本製作所",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/kawamoto/",
  "api_url": "/api/kawamoto/timeline.json",
  "updated": "2026-09-06",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/kawamoto/",
  "source": {
    "primary": [
      "https://www.kawamoto.co.jp/100/history.html"
    ],
    "extraction": "有価証券報告書の沿革を基礎に、社史・報道で補完",
    "row_field": "source"
  },
  "timeline": [
    {
      "date": "1919/5",
      "importance": 3,
      "event": "川本𨨞三が川本製作所を創業",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1922",
      "importance": 2,
      "event": "全国に販売店網を構築",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1927",
      "importance": 2,
      "event": "中国・朝鮮・台湾向けの輸出を開始",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1946",
      "importance": 2,
      "event": "六反工場を設け家庭用ポンプの製造を開始",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1948",
      "importance": 1,
      "event": "西川端工場を新設",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1949/12",
      "importance": 3,
      "event": "個人経営から株式会社に改組",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1950",
      "importance": 2,
      "event": "動力ポンプを主力に据える",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1952",
      "importance": 2,
      "event": "川本𨨞三氏が死去し川本修三氏が社長に就任",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1952",
      "importance": 1,
      "event": "アフリカ向けの輸出を開始",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1954",
      "importance": 3,
      "event": "家庭用電気ポンプ「ベビースイート」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1955",
      "importance": 1,
      "event": "全自動自吸式ポンプ「ワールドスイート」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1957",
      "importance": 1,
      "event": "「ドラゴンポンプ」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1964",
      "importance": 1,
      "event": "「ドラゴンポンプ」がユニセフの指定商品に採用",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1966",
      "importance": 3,
      "event": "岡崎工場が完成",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1973",
      "importance": 2,
      "event": "本社新社屋が完成",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1975",
      "importance": 1,
      "event": "消火ポンプユニット「セフティエース」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1983",
      "importance": 2,
      "event": "家庭用給水ポンプ「カワエース」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1985",
      "importance": 1,
      "event": "資本金を2億5,000万円に増資",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1986",
      "importance": 1,
      "event": "岡崎工場に立体部品自動倉庫が完成",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1989",
      "importance": 1,
      "event": "岡崎工場の神田分工場が完成",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1989",
      "importance": 1,
      "event": "資本金を3億3,000万円に増資",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1990",
      "importance": 2,
      "event": "インバータ制御ポンプ「SKF形」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1995",
      "importance": 1,
      "event": "ステンレス製給水ユニット「ポンパーKF」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1999",
      "importance": 1,
      "event": "髙津悟氏が取締役副社長に就任",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "1999",
      "importance": 1,
      "event": "住宅用ブースタポンプ「静省納言」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "2001",
      "importance": 1,
      "event": "省エネポンプ「Newソフトカワエース」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "2002",
      "importance": 2,
      "event": "髙津悟氏が社長に就任",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "2005",
      "importance": 1,
      "event": "浅深井戸ポンプ「カワエースジェット」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "2013",
      "importance": 1,
      "event": "自動給水ユニット「ポンパーKFE」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "2016",
      "importance": 1,
      "event": "家庭用給水ポンプ「NR形カワエース」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    },
    {
      "date": "2018",
      "importance": 1,
      "event": "排水水中ポンプ「カワペット」を発売",
      "source": "https://www.kawamoto.co.jp/100/history.html"
    }
  ]
}