TREA

Ikuo Kitao

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ocular refracting power measuring system
    • Patent number 5,210,555
    • Issue date May 11, 1993
    • Kabushiki Kaisha Topcon
    • Yasuhisa Ishikura
    • 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
  • Information Patent Grant

    Eye refractive power measuring apparatus
    • Patent number 4,917,480
    • Issue date Apr 17, 1990
    • Kabushiki Kaisha Topcon
    • Yasuo Kato
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye testing apparatus
    • Patent number 4,859,051
    • Issue date Aug 22, 1989
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Yasufumi Fukuma
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Automatic eye refractive power measuring apparatus
    • Patent number 4,848,895
    • Issue date Jul 18, 1989
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Yasuo Kato
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye refractometer
    • Patent number 4,591,247
    • Issue date May 27, 1986
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Minoru Kamiya
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Refractory power measuring device
    • Patent number 4,408,847
    • Issue date Oct 11, 1983
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Shinji Wada
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Image rotating means for eye refractometers
    • Patent number 4,367,019
    • Issue date Jan 4, 1983
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Ikuo Kitao
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye refractmeters using infrared rays
    • Patent number 4,306,778
    • Issue date Dec 22, 1981
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Shinji Wada
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus for detecting astigmatic axes and measuring refractive po...
    • Patent number 4,293,199
    • Issue date Oct 6, 1981
    • Tokyo Kogaku Kikai Kakushiki Kaisha
    • Shinzi Wada
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye refractmeter
    • Patent number 4,277,150
    • Issue date Jul 7, 1981
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Shinzi Wada
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE