{
  "spec_version": "3",
  "endpoint": "decisions",
  "stock_code": "6762",
  "company_name": "TDK",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6762/",
  "api_url": "/api/6762/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/6762/",
  "count": 4,
  "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-1935",
      "url": "/tse/6762/decisions/founding-1935/",
      "api_url": "/api/6762/decisions/founding-1935.json",
      "year": 1935,
      "month": 12,
      "type": "founding",
      "title": "TDK創業——大学の世界初フェライトを、資本金2万円と私財10万円で工業化するまで",
      "subtitle": "発明から5年を経ても工業化できなかった大学発の世界初フェライトに、連続起業家の齋藤憲三氏はどう挑み、津田信吾氏の私財10万円をどう事業へ変えたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "cassette-tape-1966",
      "url": "/tse/6762/decisions/cassette-tape-1966/",
      "api_url": "/api/6762/decisions/cassette-tape-1966.json",
      "year": 1966,
      "month": 6,
      "type": "new_business",
      "tags": [
        "gl-entry",
        "bm-model-shift"
      ],
      "title": "カセットテープ参入とSDカセットによる自社ブランドの世界展開",
      "subtitle": "消費者と直接つながる商品を持たない素材メーカーが、フィリップス規格の新テープにどう賭けたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "global-electronics-pivot-1982",
      "url": "/tse/6762/decisions/global-electronics-pivot-1982/",
      "api_url": "/api/6762/decisions/global-electronics-pivot-1982.json",
      "year": 1982,
      "month": 6,
      "type": "transformation",
      "tags": [
        "gl-expansion",
        "gv-board"
      ],
      "title": "磁気テープ世界首位とニューヨーク上場を機とするグローバル電子部品メーカーへの転換",
      "subtitle": "世界一の看板を、素野福次郎社長はどう次の柱へつなぎ替えようとしたか",
      "status": "implemented",
      "status_label": "実施"
    },
    {
      "slug": "epcos-acquisition-2008",
      "url": "/tse/6762/decisions/epcos-acquisition-2008/",
      "api_url": "/api/6762/decisions/epcos-acquisition-2008.json",
      "year": 2008,
      "month": 7,
      "type": "acquisition",
      "tags": [
        "ma-crossborder-out",
        "ma-pmi"
      ],
      "title": "独EPCOSの買収による受動部品・センサー領域への事業補完",
      "subtitle": "上釜健宏社長が「社運を懸けた」約2000億円、TDKはなぜ過去最大のM&Aで欧州の部品大手を取り込んだか",
      "status": "implemented",
      "status_label": "実施"
    }
  ],
  "by_type": [
    {
      "key": "acquisition",
      "count": 1,
      "url": "/api/6762/decisions/by-type/acquisition.json"
    },
    {
      "key": "founding",
      "count": 1,
      "url": "/api/6762/decisions/by-type/founding.json"
    },
    {
      "key": "new_business",
      "count": 1,
      "url": "/api/6762/decisions/by-type/new_business.json"
    },
    {
      "key": "transformation",
      "count": 1,
      "url": "/api/6762/decisions/by-type/transformation.json"
    }
  ],
  "by_decade": [
    {
      "key": "1930s",
      "count": 1,
      "url": "/api/6762/decisions/by-decade/1930s.json"
    },
    {
      "key": "1960s",
      "count": 1,
      "url": "/api/6762/decisions/by-decade/1960s.json"
    },
    {
      "key": "1980s",
      "count": 1,
      "url": "/api/6762/decisions/by-decade/1980s.json"
    },
    {
      "key": "2000s",
      "count": 1,
      "url": "/api/6762/decisions/by-decade/2000s.json"
    }
  ]
}