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Katsuya Takeshi

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  • Higashiosaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Goggles
    • Patent number 7,895,679
    • Issue date Mar 1, 2011
    • Yamamoto Kogaku Ltd.
    • Katsuya Takeshi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Goggles
    • Patent number D602065
    • Issue date Oct 13, 2009
    • Yamamoto Kogaku Co., Ltd.
    • Katsuya Takeshi
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Swimming goggles
    • Patent number 7,490,365
    • Issue date Feb 17, 2009
    • Yamamoto Kogaku Co., Ltd.
    • Katsumi Matsumoto
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Length adjusting mechanism of goggles
    • Patent number 6,845,521
    • Issue date Jan 25, 2005
    • Yamamoto Kogaku Co., Ltd.
    • Katsuya Takeshi
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    GOGGLES
    • Publication number 20080196149
    • Publication date Aug 21, 2008
    • YAMAMOTO KOGAKU CO., LTD.
    • Katsuya TAKESHI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Swimming goggles
    • Publication number 20050241051
    • Publication date Nov 3, 2005
    • Katsumi Matsumoto
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Length adjusting mechanism of goggles
    • Publication number 20020194669
    • Publication date Dec 26, 2002
    • YAMAMOTO KOGAKU CO., LTD.
    • Katsuya Takeshi
    • A63 - SPORTS GAMES AMUSEMENTS