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Katsuhiko Tsunefuji

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Film image reproducing apparatus
    • Patent number 5,719,621
    • Issue date Feb 17, 1998
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Enlargement photographing apparatus
    • Patent number 5,594,517
    • Issue date Jan 14, 1997
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G02 - OPTICS
  • Information Patent Grant

    Film transport device of camera
    • Patent number 5,576,784
    • Issue date Nov 19, 1996
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having a locking mechanism for preventing accidental opening...
    • Patent number 5,473,401
    • Issue date Dec 5, 1995
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projection apparatus
    • Patent number 5,424,790
    • Issue date Jun 13, 1995
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 5,389,983
    • Issue date Feb 14, 1995
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 5,298,929
    • Issue date Mar 29, 1994
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having fuzzy inference function
    • Patent number 5,111,232
    • Issue date May 5, 1992
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,618,238
    • Issue date Oct 21, 1986
    • Olympus Optical, Co. Ltd.
    • Yoshihisa Maitani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,589,754
    • Issue date May 20, 1986
    • Olympus Optical Co., Ltd.
    • Yoshihisa Maitani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,589,757
    • Issue date May 20, 1986
    • Olympus Optical Co., Ltd.
    • Yoshihisa Maitani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,589,755
    • Issue date May 20, 1986
    • Olympus Optical Co., Ltd.
    • Yoshihisa Maitani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic camera of multiple spot photometry type
    • Patent number 4,571,049
    • Issue date Feb 18, 1986
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 4,529,289
    • Issue date Jul 16, 1985
    • Olympus Optical Company Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Movable reflecting mirror for single lens reflex camera
    • Patent number 4,392,729
    • Issue date Jul 12, 1983
    • Olympus Optical Company Ltd.
    • Katsuhiko Tsunefuji
    • G02 - OPTICS
  • Information Patent Grant

    Electromagnetic shutter apparatus for camera
    • Patent number 4,332,447
    • Issue date Jun 1, 1982
    • Olympus Optical Company Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Release electromagnet
    • Patent number 4,321,570
    • Issue date Mar 23, 1982
    • Olympus Optical Company Ltd.
    • Katsuhiko Tsunefuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical shutter of electromagnetic release type for camera havin...
    • Patent number 4,315,678
    • Issue date Feb 16, 1982
    • Olympus Optical Company Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Programmed shutter device
    • Patent number 4,290,681
    • Issue date Sep 22, 1981
    • Olympus Optical Co., Ltd.
    • Yoshihisa Maitani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Photographic camera of automatic exposure control type
    • Patent number 4,272,168
    • Issue date Jun 9, 1981
    • Olympus Optical Co., Ltd.
    • Yoshihisa Maitani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrical shutter for camera
    • Patent number 4,231,644
    • Issue date Nov 4, 1980
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electrical shutter of electromagnetic release type for camera
    • Patent number 4,183,646
    • Issue date Jan 15, 1980
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Change-over switch for printed circuit board
    • Patent number 4,179,593
    • Issue date Dec 18, 1979
    • Olympus Optical Company, Ltd.
    • Katsuhiko Tsunefuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic shutter apparatus for camera
    • Patent number 4,171,156
    • Issue date Oct 16, 1979
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Focal plane shutter camera having an electromagnetic diaphragm mech...
    • Patent number 4,167,313
    • Issue date Sep 11, 1979
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Device for preventing leakage current in light responsive circuit
    • Patent number 4,115,790
    • Issue date Sep 19, 1978
    • Olympus Optical Co., Ltd.
    • Katsuhiko Tsunefuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY