TREA

Akihiro Arai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching device with DX contacts for a camera
    • Patent number 5,915,134
    • Issue date Jun 22, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Switch with locking resilient tabs
    • Patent number 5,839,010
    • Issue date Nov 17, 1998
    • Asahi Kogaku Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Brake apparatus of reciprocally rotating member and mirror braking...
    • Patent number 5,758,219
    • Issue date May 26, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Barrier device for camera
    • Patent number 5,737,658
    • Issue date Apr 7, 1998
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Switching device for a camera
    • Patent number 5,678,107
    • Issue date Oct 14, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Back cover lock mechanism of a camera
    • Patent number 5,568,217
    • Issue date Oct 22, 1996
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Focal point correction apparatus
    • Patent number 5,550,612
    • Issue date Aug 27, 1996
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G02 - OPTICS
  • Information Patent Grant

    Electronically controlled camera
    • Patent number 5,519,466
    • Issue date May 21, 1996
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G02 - OPTICS
  • Information Patent Grant

    Camera
    • Patent number 5,485,236
    • Issue date Jan 16, 1996
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Albada finder
    • Patent number 5,475,458
    • Issue date Dec 12, 1995
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having a picture image area and field of view varying mechanism
    • Patent number 5,459,541
    • Issue date Oct 17, 1995
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Built-in flash system
    • Patent number 5,329,327
    • Issue date Jul 12, 1994
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 5,313,244
    • Issue date May 17, 1994
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G02 - OPTICS
  • Information Patent Grant

    Sealing member for waterproof camera
    • Patent number 5,305,032
    • Issue date Apr 19, 1994
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Built-in flash system
    • Patent number 5,287,135
    • Issue date Feb 15, 1994
    • Asahi Kogaku Kogyo K.K.
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • 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
  • Information Patent Grant

    Apparatus and method for testing the waterproofness of a camera casing
    • Patent number 5,241,852
    • Issue date Sep 7, 1993
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Yasuyuki Takahashi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Intraocular length measuring instrument
    • Patent number 5,141,302
    • Issue date Aug 25, 1992
    • Kabushiki Kaisha Topcon
    • Akihiro Arai
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Single-lens reflex camera with built-in flash
    • Patent number 5,066,967
    • Issue date Nov 19, 1991
    • Asahi Kogaku Kogyo K.K.
    • Masato Yamamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Strobe flashing device
    • Patent number 5,055,976
    • Issue date Oct 8, 1991
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera with film cartridge holder
    • Patent number 5,040,010
    • Issue date Aug 13, 1991
    • Asahi Kogaku Kogyo K.K.
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Shutter apparatus having two blade members pivoted about one point
    • Patent number 5,040,017
    • Issue date Aug 13, 1991
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Film guide device
    • Patent number 4,974,787
    • Issue date Dec 4, 1990
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Automatic focusing projector
    • Patent number 4,949,115
    • Issue date Aug 14, 1990
    • Asahi Kogaku Kogyo K.K.
    • Yasuyuki Tejima
    • G02 - OPTICS
  • Information Patent Grant

    Built-in flash system
    • Patent number 4,920,368
    • Issue date Apr 24, 1990
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Akihiro Arai
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Single-lens reflex camera with built-in flash
    • Patent number 4,910,542
    • Issue date Mar 20, 1990
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Masato Yamamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Automatic focusing projector
    • Patent number 4,905,034
    • Issue date Feb 27, 1990
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Yasuyuki Tejima
    • G02 - OPTICS
  • Information Patent Grant

    Single-lens reflex camera with built-in flash
    • Patent number 4,893,140
    • Issue date Jan 9, 1990
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Masato Yamamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Apparatus for kinematic linkage in interchangeable lens type of camera
    • Patent number 4,860,043
    • Issue date Aug 22, 1989
    • Asahi Kogaku Kogyo K.K.
    • Hiroshi Kurei
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Autolensmeter
    • Patent number 4,828,385
    • Issue date May 9, 1989
    • Tokyo Kogaku Kikai Kabushiki Kaisha
    • Yasufumi Fukuma
    • G01 - MEASURING TESTING