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Yoshikazu Tojo

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  • Hachioji-shi, Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Eddy current flaw detecting endoscope apparatus which produces sign...
    • Patent number 5,140,265
    • Issue date Aug 18, 1992
    • Olympus Optical Co., Ltd.
    • Katsunori Sakiyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Video scope system
    • Patent number 4,901,142
    • Issue date Feb 13, 1990
    • Olympus Optical Co., Ltd.
    • Yuji Ikuno
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Rigid electronic endoscope
    • Patent number 4,879,992
    • Issue date Nov 14, 1989
    • Olympus Optical Co., Ltd.
    • Shinichi Nishigaki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Endoscope system
    • Patent number 4,870,950
    • Issue date Oct 3, 1989
    • Kouji Kanbara
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Endoscope apparatus
    • Patent number 4,867,136
    • Issue date Sep 19, 1989
    • Olympus Optical Co., Ltd.
    • Akira Suzuki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Endoscope and endoscope washing apparatus
    • Patent number 4,862,872
    • Issue date Sep 5, 1989
    • Olympus Optical Co., Ltd.
    • Hisao Yabe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Imaging apparatus having illumination means
    • Patent number 4,803,550
    • Issue date Feb 7, 1989
    • Olympus Optical Co., Ltd.
    • Hisao Yabe
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Endoscope tip
    • Patent number 4,753,224
    • Issue date Jun 28, 1988
    • Olympus Optical Co., Ltd.
    • Yoshikazu Tojo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE