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Tsutomu Ichikawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Head mount display apparatus
    • Patent number 7,583,445
    • Issue date Sep 1, 2009
    • Konica Minolta Holdings, Inc.
    • Tsutomu Ichikawa
    • G02 - OPTICS
  • Information Patent Grant

    Image capturing apparatus and image capturing system
    • Patent number 7,379,115
    • Issue date May 27, 2008
    • Konica Minolta Photo Imaging, Inc.
    • Tsutomu Ichikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Camera having control device for flash photography and its control...
    • Patent number 6,707,995
    • Issue date Mar 16, 2004
    • Minolta Co., Ltd.
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 6,577,820
    • Issue date Jun 10, 2003
    • Minolta Co., Ltd.
    • Motoshi Yamaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 6,317,567
    • Issue date Nov 13, 2001
    • Minolta Co., Ltd.
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera
    • Patent number 6,240,252
    • Issue date May 29, 2001
    • Minolta Co., Ltd.
    • Motoshi Yamaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Automatic focusing camera
    • Patent number 6,240,253
    • Issue date May 29, 2001
    • Minolta Co., Ltd.
    • Motoshi Yamaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flash device
    • Patent number 6,009,281
    • Issue date Dec 28, 1999
    • Minolta Co., Ltd.
    • Hiroshi Hosomizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera and external flash device
    • Patent number 5,956,531
    • Issue date Sep 21, 1999
    • Minolta Co., Ltd.
    • Koutaro Kawabe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera system having a flash device capable of performing a high sp...
    • Patent number 5,860,029
    • Issue date Jan 12, 1999
    • Minolta Co., Ltd.
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Remotely-controlled flash photographing system
    • Patent number 5,692,223
    • Issue date Nov 25, 1997
    • Minolta Co., Ltd.
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Electronic flash device and camera equipped with said device
    • Patent number 5,678,077
    • Issue date Oct 14, 1997
    • Minolta Co., Ltd.
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera system capable of wireless flash photographing
    • Patent number 5,384,611
    • Issue date Jan 24, 1995
    • Minolta Camera Kabushiki Kaisha
    • Kenji Tsuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flash device
    • Patent number 5,313,247
    • Issue date May 17, 1994
    • Minolta Camera Kabushiki Kaisha
    • Hiroshi Hosomizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera having a built-in electronic flash device and a detachable f...
    • Patent number 5,202,719
    • Issue date Apr 13, 1993
    • Minolta Camera Kabushiki Kaisha
    • Nobuyuki Taniguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flashlight photographing device
    • Patent number 5,117,250
    • Issue date May 26, 1992
    • Minolta Camera Kabushiki Kaisha
    • Akihiko Fujino
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flashlight photographing device
    • Patent number 5,055,865
    • Issue date Oct 8, 1991
    • Minolta Camera Kabushiki Kaisha
    • Akihiko Fujino
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera system with flash device
    • Patent number 4,970,538
    • Issue date Nov 13, 1990
    • Minolta Camera Kabushiki Kaisha
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Camera system with flash device
    • Patent number 4,951,068
    • Issue date Aug 21, 1990
    • Minolta Camera Kabushiki Kaisha
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Flash device
    • Patent number 4,951,081
    • Issue date Aug 21, 1990
    • Minolta Camera Kabushiki Kaisha
    • Hiroshi Hosomizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Juxtaposed discharge tubes with opposed trigger electrodes
    • Patent number 4,899,092
    • Issue date Feb 6, 1990
    • Minolta Camera Kabushiki Kaisha
    • Kenji Tsuji
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Flash device
    • Patent number 4,839,686
    • Issue date Jun 13, 1989
    • Minolta Camera Kabushiki Kaisha
    • Hiroshi Hosomizu
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Close-range lighting flash device
    • Patent number 4,816,854
    • Issue date Mar 28, 1989
    • Minolta Camera Kabushiki Kaisha
    • Kenji Tsuji
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Head mount display apparatus
    • Publication number 20070217017
    • Publication date Sep 20, 2007
    • KONICA MINOLTA HOLDINGS, INC.,
    • Tsutomu Ichikawa
    • G02 - OPTICS
  • Information Patent Application

    Image display apparatus and method for displaying image
    • Publication number 20070195012
    • Publication date Aug 23, 2007
    • KONICA MINOLTA HOLDINGS INC.
    • Tsutomu Ichikawa
    • G02 - OPTICS
  • Information Patent Application

    Digital single-reflex camera
    • Publication number 20060127080
    • Publication date Jun 15, 2006
    • KONICA MINOLTA PHOTO IMAGING, INC.
    • Nobuyuki Mori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Image capturing apparatus and image capturing system
    • Publication number 20050140822
    • Publication date Jun 30, 2005
    • KONICA MINOLTA PHOTO IMAGING, INC.
    • Tsutomu Ichikawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Cleaning apparatus for camera
    • Publication number 20050129394
    • Publication date Jun 16, 2005
    • KONICA MINOLTA PHOTO IMAGING, INC.
    • Tsutomu Ichikawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Camera body and a detachably coupled digital photography camera back
    • Publication number 20030223002
    • Publication date Dec 4, 2003
    • Hiroaki Minami
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Camera
    • Publication number 20020164161
    • Publication date Nov 7, 2002
    • Motoshi Yamaguchi
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY