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Toshihiko Sugihara

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Patents Grantslast 30 patents

  • Information Patent Grant

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    • Patent number 4,610,289
    • Issue date Sep 9, 1986
    • Kyoritsu Kikai Company
    • Toshihiko Sugihara
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

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    • Patent number 4,603,723
    • Issue date Aug 5, 1986
    • Kyoritsu Kikai Co., Ltd.
    • Toshihiko Sugihara
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES