TREA

Takeyuki Kato

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Eye test service system
    • Patent number 7,292,713
    • Issue date Nov 6, 2007
    • Yasufumi Fukuma
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Service system for selecting personal goods to wear or carry, and p...
    • Patent number 7,274,806
    • Issue date Sep 25, 2007
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Apparatus for simulating processing of eyeglass lenses
    • Patent number 7,152,976
    • Issue date Dec 26, 2006
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G02 - OPTICS
  • Information Patent Grant

    Lens meter
    • Patent number 7,088,439
    • Issue date Aug 8, 2006
    • Yasufumi Fukuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Database constructing system
    • Patent number 7,010,146
    • Issue date Mar 7, 2006
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Lens meter
    • Patent number 6,950,180
    • Issue date Sep 27, 2005
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method for measuring refractive power and apparatus therefor
    • Patent number 6,937,328
    • Issue date Aug 30, 2005
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Lens meter
    • Patent number 6,778,264
    • Issue date Aug 17, 2004
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ophthalmologic apparatus
    • Patent number 6,705,728
    • Issue date Mar 16, 2004
    • Kabushiki Kaisha Topcon
    • Tadashi Okamoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eyeglass frame selecting system
    • Patent number 6,634,754
    • Issue date Oct 21, 2003
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G02 - OPTICS
  • Information Patent Grant

    Lens molding apparatus and lens molding tool
    • Patent number 6,428,301
    • Issue date Aug 6, 2002
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Lens specifying device
    • Patent number 6,359,684
    • Issue date Mar 19, 2002
    • Kabushiki Kaisha Topcon
    • Yukio Ikezawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Lens meter
    • Patent number 6,236,453
    • Issue date May 22, 2001
    • Kabushiki Kaisha Topcon
    • Yukio Ikezawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Lens meter
    • Patent number 6,145,989
    • Issue date Nov 14, 2000
    • Kabushiki Kaisha TOPCOM
    • Yukio Ikezawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ophthalmological photographing apparatus
    • Patent number 6,082,859
    • Issue date Jul 4, 2000
    • Kabushiki Kaisha Topcon
    • Toshihiro Okashita
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Lens meter
    • Patent number 6,061,123
    • Issue date May 9, 2000
    • Kabushiki Kaisha Topcon
    • Yukio Ikezawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Layout judgment apparatus and layout judgment system
    • Patent number 5,973,772
    • Issue date Oct 26, 1999
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G02 - OPTICS
  • Information Patent Grant

    Lens specifying apparatus
    • Patent number 5,971,537
    • Issue date Oct 26, 1999
    • Kabushiki Kaisha Topcon
    • Yasufumi Fukuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Lens meter
    • Patent number 5,910,836
    • Issue date Jun 8, 1999
    • Kabushiki Kaisha Topcon
    • Yukio Ikezawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ophthalmological image processing system for recording specific por...
    • Patent number 5,822,446
    • Issue date Oct 13, 1998
    • Kabushiki Kaisha Topcon
    • Takeyuki Kato
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Corneal shape measuring apparatus
    • Patent number 5,694,197
    • Issue date Dec 2, 1997
    • Kabushiki Kaisha Topcon
    • Hisashi Tsukada
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Corneal shape measuring apparatus
    • Patent number 5,668,623
    • Issue date Sep 16, 1997
    • Kabushiki Kaisha Topcon
    • Akio Sakurai
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ophthalmologic apparatus having improved display capability
    • Patent number 5,565,938
    • Issue date Oct 15, 1996
    • Kabushiki Kaisha Topcon
    • Yoshihiko Hanamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Stereo eye fundus camera
    • Patent number 5,255,026
    • Issue date Oct 19, 1993
    • Kabushiki Kaisha Topcon
    • Akihiro Arai
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents