TREA

Tomoaki Kobayashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Lens barrel and imaging device
    • Patent number 11,947,184
    • Issue date Apr 2, 2024
    • Ricoh Company, Ltd.
    • Takahiro Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Lens body tube
    • Patent number 7,184,228
    • Issue date Feb 27, 2007
    • PENTAX Corporation
    • Takuji Hamasaki
    • G02 - OPTICS
  • Information Patent Grant

    Lens body tube
    • Patent number 7,177,102
    • Issue date Feb 13, 2007
    • PENTAX Corporation
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Lens body tube
    • Patent number 7,088,523
    • Issue date Aug 8, 2006
    • PENTAX Corporation
    • Takuji Hamasaki
    • G02 - OPTICS
  • Information Patent Grant

    Lens barrel
    • Patent number 6,829,103
    • Issue date Dec 7, 2004
    • PENTAX Corporation
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Lens barrel and cam ring
    • Patent number 6,714,359
    • Issue date Mar 30, 2004
    • PENTAX Corporation
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Bearing structure
    • Patent number 6,709,159
    • Issue date Mar 23, 2004
    • PENTAX Corporation
    • Masashi Takahashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Photographic lens recognition system for a camera body
    • Patent number 6,341,902
    • Issue date Jan 29, 2002
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Osamu Sato
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Setting communication system in accordance with type of lens attach...
    • Patent number 6,336,754
    • Issue date Jan 8, 2002
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Osamu Sato
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Lens barrel
    • Patent number 5,969,889
    • Issue date Oct 19, 1999
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Makoto Iikawa
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens barrel
    • Patent number 5,646,790
    • Issue date Jul 8, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Shinsuke Kohmoto
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens barrel
    • Patent number 5,636,063
    • Issue date Jun 3, 1997
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Shinsuke Kohmoto
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens barrel
    • Patent number 5,450,242
    • Issue date Sep 12, 1995
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Shinsuke Kohmoto
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens barrel
    • Patent number 5,434,714
    • Issue date Jul 18, 1995
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Shinsuke Kohmoto
    • G02 - OPTICS
  • Information Patent Grant

    Diaphragm mechanism of zoom lens barrel
    • Patent number 5,410,432
    • Issue date Apr 25, 1995
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Rotatably controllable lens hood and cover unit
    • Patent number 5,294,954
    • Issue date Mar 15, 1994
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Hiroshi Nomura
    • G02 - OPTICS
  • Information Patent Grant

    Method of controlling a zoom lens assembly
    • Patent number 5,233,472
    • Issue date Aug 3, 1993
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Keisuke Haraguchi
    • G02 - OPTICS
  • Information Patent Grant

    Structure for holding lens in lens holding member
    • Patent number 5,177,641
    • Issue date Jan 5, 1993
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Grant

    Method of controlling the zoom lens assembly
    • Patent number 5,170,294
    • Issue date Dec 8, 1992
    • Asahi Kogaku Kabushiki Kaisha
    • Keisuke Haraguchi
    • G02 - OPTICS
  • Information Patent Grant

    Lens barrier
    • Patent number 5,159,372
    • Issue date Oct 27, 1992
    • Asahi Kogaku Kogyo Kabushiki Kaisha
    • Hiroshi Nomura
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    LENS BARREL AND IMAGING DEVICE
    • Publication number 20220146784
    • Publication date May 12, 2022
    • Takahiro KOBAYASHI
    • G02 - OPTICS
  • Information Patent Application

    LENS BODY TUBE
    • Publication number 20060103954
    • Publication date May 18, 2006
    • PENTAX CORPORATION
    • Takuji Hamasaki
    • G02 - OPTICS
  • Information Patent Application

    Lens body tube
    • Publication number 20060092526
    • Publication date May 4, 2006
    • PENTAX CORPORATION
    • Takuji Hamasaki
    • G02 - OPTICS
  • Information Patent Application

    Lens body tube
    • Publication number 20060092530
    • Publication date May 4, 2006
    • PENTAX CORPORATION
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Application

    Lens barrel
    • Publication number 20040061958
    • Publication date Apr 1, 2004
    • PENTAX CORPORATION
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Application

    Bearing structure
    • Publication number 20030081870
    • Publication date May 1, 2003
    • PENTAX CORPORATION
    • Masashi Takahashi
    • G02 - OPTICS
  • Information Patent Application

    Lens barrel and cam ring
    • Publication number 20030081326
    • Publication date May 1, 2003
    • PENTAX CORPORATION
    • Tomoaki Kobayashi
    • G02 - OPTICS
  • Information Patent Application

    Photographic lens recognition system for a camera body
    • Publication number 20020012539
    • Publication date Jan 31, 2002
    • OSAMU SATO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY