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  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
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      "importance": 3,
      "event": "郵便貯金事業創業",
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      "date": "2001/1",
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      "event": "投資信託の募集業務開始",
      "source": "有価証券報告書"
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      "source": "有価証券報告書"
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      "source": "有価証券報告書"
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      "date": "2007/12",
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      "event": "クレジットカード・変額個人年金保険・住宅ローン媒介の各業務の認可取得",
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      "event": "東京証券取引所市場第一部に上場",
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      "date": "2019/12",
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      "event": "ＳＤＰセンター（現・ゆうちょローンセンター）を子会社化",
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      "date": "2022/4",
      "importance": 1,
      "event": "東京証券取引所プライム市場に移行",
      "source": "有価証券報告書"
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      "date": "2024/5",
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