TREA

Hiroaki Ishigaki

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  • Warabi-City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-step eyepiece
    • Patent number 7,545,582
    • Issue date Jun 9, 2009
    • Fiskars Brands, Inc.
    • John Smithbaker
    • G02 - OPTICS
  • Information Patent Grant

    Multi-step locking eye cup twist up device
    • Patent number 7,307,798
    • Issue date Dec 11, 2007
    • The Brunton Company
    • John Smithbaker
    • G02 - OPTICS
  • Information Patent Grant

    Pair of binoculars
    • Patent number 7,251,073
    • Issue date Jul 31, 2007
    • Kamakura Koki Co., Ltd.
    • Masashi Kato
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-STEP EYEPIECE
    • Publication number 20080158677
    • Publication date Jul 3, 2008
    • The Brunton Company
    • John Smithbaker
    • G02 - OPTICS
  • Information Patent Application

    Pair of binoculars
    • Publication number 20060033990
    • Publication date Feb 16, 2006
    • Masashi Kato
    • G02 - OPTICS
  • Information Patent Application

    Multi-step locking eye cup twist up device
    • Publication number 20050024740
    • Publication date Feb 3, 2005
    • John Smithbaker
    • G02 - OPTICS