{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "nichia",
  "company_name": "日亜化学工業",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/nichia/",
  "api_url": "/api/nichia/decisions.json",
  "updated": "2026-08-12",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/nichia/",
  "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": "phosphor-material-1956",
      "url": "/tse/nichia/decisions/phosphor-material-1956/",
      "api_url": "/api/nichia/decisions/phosphor-material-1956.json",
      "year": 1956,
      "month": 12,
      "type": "founding",
      "tags": [
        "st-tech",
        "bm-core-shift",
        "pf-diversify-related"
      ],
      "title": "塩化カルシウムを主原料とする蛍光灯用蛍光体原料の開発と、日亜化学工業の設立",
      "subtitle": "硝酸カルシウムか、塩化カルシウムか——通説の外側にある原料をなぜ選べたのか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "blue-led-gan-1989",
      "url": "/tse/nichia/decisions/blue-led-gan-1989/",
      "api_url": "/api/nichia/decisions/blue-led-gan-1989.json",
      "year": 1989,
      "month": null,
      "type": "new_business",
      "tags": [
        "st-tech",
        "pf-diversify-related",
        "pf-exit"
      ],
      "title": "赤色系LEDの量産競争からの撤退と、窒化ガリウムによる高輝度青色LEDの開発着手",
      "subtitle": "大手が量産に入った赤色を続けるか、実現は21世紀とされた青色へ移るか——中小の蛍光体メーカーが選んだ材料",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "patent-strategy-2001",
      "url": "/tse/nichia/decisions/patent-strategy-2001/",
      "api_url": "/api/nichia/decisions/patent-strategy-2001.json",
      "year": 2001,
      "month": 9,
      "type": "strategy",
      "tags": [
        "st-tech",
        "gv-labor"
      ],
      "title": "青色LED特許の囲い込みとライセンス供与の拒否、2001年の方針転換と発明対価訴訟の和解",
      "subtitle": "特許を独占するか、開いて収入に変えるか——世界首位に立った会社が、発明者との訴訟のさなかに方針を改めるまで",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "founding",
      "count": 1,
      "url": "/api/nichia/decisions/by-type/founding.json"
    },
    {
      "key": "new_business",
      "count": 1,
      "url": "/api/nichia/decisions/by-type/new_business.json"
    },
    {
      "key": "strategy",
      "count": 1,
      "url": "/api/nichia/decisions/by-type/strategy.json"
    }
  ],
  "by_decade": [
    {
      "key": "1950s",
      "count": 1,
      "url": "/api/nichia/decisions/by-decade/1950s.json"
    },
    {
      "key": "1980s",
      "count": 1,
      "url": "/api/nichia/decisions/by-decade/1980s.json"
    },
    {
      "key": "2000s",
      "count": 1,
      "url": "/api/nichia/decisions/by-decade/2000s.json"
    }
  ]
}