TREA

Noriyuki Nagai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ophthalmologic apparatus and ophthalmologic chart
    • Patent number 7,341,349
    • Issue date Mar 11, 2008
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Optometric device
    • Patent number 7,275,823
    • Issue date Oct 2, 2007
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ocular refracting power measuring system
    • Patent number 5,071,245
    • Issue date Dec 10, 1991
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Optometric device
    • Publication number 20050018132
    • Publication date Jan 27, 2005
    • Yasufumi Fukuma
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Ophthalmologic apparatus and ophthalmologic chart
    • Publication number 20050012896
    • Publication date Jan 20, 2005
    • Yasufumi Fukuma
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE