{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "4401",
  "company_name": "ADEKA",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/4401/",
  "api_url": "/api/4401/decisions.json",
  "updated": "2026-08-05",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/4401/",
  "count": 3,
  "description": "Index of this company's management decisions. One decision = one endpoint: follow api_url for the full dossier (background, the decision itself, outcome, quoted primary sources and references).",
  "decisions": [
    {
      "slug": "founding-furukawa-1917",
      "url": "/tse/4401/decisions/founding-furukawa-1917/",
      "api_url": "/api/4401/decisions/founding-furukawa-1917.json",
      "year": 1917,
      "month": 1,
      "type": "founding",
      "tags": [
        "st-tech",
        "pf-diversify-related"
      ],
      "title": "古河系電気化学会社としての旭電化工業の創立と、電解副生水素による硬化油事業の併設",
      "subtitle": "苛性ソーダ一本で立つか、副産物まで使い切るか——化学品と食品が同居する会社の形は、この選び方でどう決まったか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "nichino-subsidiary-2018",
      "url": "/tse/4401/decisions/nichino-subsidiary-2018/",
      "api_url": "/api/4401/decisions/nichino-subsidiary-2018.json",
      "year": 2018,
      "month": 8,
      "type": "acquisition",
      "tags": [
        "pf-diversify-related",
        "cp-crossholding",
        "cp-activist"
      ],
      "title": "1928年に分離した日本農薬の連結子会社化、公開買付けと第三者割当増資による51%取得",
      "subtitle": "支配権を最短で取るか、少数株主の持分を守るか——上場を維持したまま過半を握る設計をめぐる賛否",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "semiconductor-materials-2022",
      "url": "/tse/4401/decisions/semiconductor-materials-2022/",
      "api_url": "/api/4401/decisions/semiconductor-materials-2022.json",
      "year": 2022,
      "month": 7,
      "type": "strategy",
      "tags": [
        "st-tech",
        "st-capex",
        "pf-focus"
      ],
      "title": "半導体材料への経営資源の集中と、高誘電体ALD材料の生産能力の増強",
      "subtitle": "樹脂添加剤と食品で安定して稼ぐ会社が、なぜ市況の振れる半導体材料へ人と金を寄せたか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "acquisition",
      "count": 1,
      "url": "/api/4401/decisions/by-type/acquisition.json"
    },
    {
      "key": "founding",
      "count": 1,
      "url": "/api/4401/decisions/by-type/founding.json"
    },
    {
      "key": "strategy",
      "count": 1,
      "url": "/api/4401/decisions/by-type/strategy.json"
    }
  ],
  "by_decade": [
    {
      "key": "1910s",
      "count": 1,
      "url": "/api/4401/decisions/by-decade/1910s.json"
    },
    {
      "key": "2010s",
      "count": 1,
      "url": "/api/4401/decisions/by-decade/2010s.json"
    },
    {
      "key": "2020s",
      "count": 1,
      "url": "/api/4401/decisions/by-decade/2020s.json"
    }
  ]
}