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Masatoshi Saitoh

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  • Saitama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clamp-on holder
    • Patent number 7,441,424
    • Issue date Oct 28, 2008
    • Washin Optical Co., Ltd.
    • Masatoshi Saitoh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hinge system for eyewear
    • Patent number 7,422,323
    • Issue date Sep 9, 2008
    • Washin Optical Co., Ltd.
    • Masatoshi Saitoh
    • G02 - OPTICS
  • Information Patent Grant

    Magnetically actuated locking mechanism
    • Patent number 7,308,737
    • Issue date Dec 18, 2007
    • Washin Optical Co., Ltd.
    • Masatoshi Saitoh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Magnetic latch assembly
    • Patent number 7,234,739
    • Issue date Jun 26, 2007
    • Washin Optical Co., Ltd.
    • Masatoshi Saitoh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Nose pad assembly for an eyeglass frame
    • Patent number 6,886,935
    • Issue date May 3, 2005
    • Tohru Negishi
    • G02 - OPTICS
  • Information Patent Grant

    Nosepiece assembly for an adjustable eyeglass frame
    • Patent number 6,520,636
    • Issue date Feb 18, 2003
    • Youchi Kaihatsu Co., Ltd.
    • Masatoshi Saitoh
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Temple adjustment mechanism for eyewear
    • Publication number 20080284975
    • Publication date Nov 20, 2008
    • Washin Optical Co., Ltd.
    • Tohru Negishi
    • G02 - OPTICS
  • Information Patent Application

    Hinge system for eyewear
    • Publication number 20070285614
    • Publication date Dec 13, 2007
    • Washin Optical Co. Ltd.
    • Masatoshi Saitoh
    • G02 - OPTICS
  • Information Patent Application

    Clamp-on holder
    • Publication number 20070283729
    • Publication date Dec 13, 2007
    • Washin Optical Co., Ltd.
    • Masatoshi Saitoh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Lockable holder
    • Publication number 20070251062
    • Publication date Nov 1, 2007
    • Washin Optical Co., Ltd.
    • Masatoshi Saitoh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Magnetic latch assembly
    • Publication number 20060175842
    • Publication date Aug 10, 2006
    • Masatoshi Saitoh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Magnetically actuated locking mechanism
    • Publication number 20060174455
    • Publication date Aug 10, 2006
    • Youchi Kaihatsu Co., Ltd.
    • Masatoshi Saitoh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    NOSE PAD ASSEMBLY FOR AN EYEGLASS FRAME
    • Publication number 20050052614
    • Publication date Mar 10, 2005
    • Tohru Negishi
    • G02 - OPTICS
  • Information Patent Application

    Adjustable eyeglass frame
    • Publication number 20010055093
    • Publication date Dec 27, 2001
    • Masatoshi Saitoh
    • G02 - OPTICS