TREA

Keiichi Koyama

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  • Nara-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital audio disk recorder
    • Patent number D415757
    • Issue date Oct 26, 1999
    • Sharp Kabushiki Kaisha
    • Shin Takahashi
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electronic computer
    • Patent number D413107
    • Issue date Aug 24, 1999
    • Sharp Kabushiki Kaisha
    • Mitsuo Kawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Television set
    • Patent number D373583
    • Issue date Sep 10, 1996
    • Sharp Kabushiki Kaisha
    • Osamu Akiyama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined television set and video tape recorder
    • Patent number D371552
    • Issue date Jul 9, 1996
    • Sharp Kabushiki Kaisha
    • Osamu Akiyama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Television set
    • Patent number D369596
    • Issue date May 7, 1996
    • Sharp Kabushiki Kaisha
    • Osamu Akiyama
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Television set
    • Patent number D357245
    • Issue date Apr 11, 1995
    • Sharp Kabushiki Kaisha
    • Seiji Usami
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Television set
    • Patent number D351156
    • Issue date Oct 4, 1994
    • Sharp Kabushiki Kaisha
    • Seiji Usami
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Interface with printer for computer
    • Patent number D318064
    • Issue date Jul 9, 1991
    • Sharp Corporation
    • Hiroshi Sakaguchi
    • D18 - Printing and office machinery
  • Information Patent Grant

    Electronic calculator
    • Patent number D317777
    • Issue date Jun 25, 1991
    • Sharp Corporation
    • Hiroshi Sakaguchi
    • D18 - Printing and office machinery
  • Information Patent Grant

    Electronic calculator with printer
    • Patent number D315572
    • Issue date Mar 19, 1991
    • Sharp Corporation
    • Hiroshi Sakaguchi
    • D18 - Printing and office machinery
  • Information Patent Grant

    Electronic calculator with printer
    • Patent number D315358
    • Issue date Mar 12, 1991
    • Sharp Corporation
    • Takahisa Yubisui
    • D18 - Printing and office machinery
  • Information Patent Grant

    Typewriter
    • Patent number D310235
    • Issue date Aug 28, 1990
    • Sharp Corporation
    • Hiroshi Sakaguchi
    • D18 - Printing and office machinery
  • Information Patent Grant

    Electronic calculator
    • Patent number D309626
    • Issue date Jul 31, 1990
    • Sharp Corporation
    • Hiroshi Sakaguchi
    • D18 - Printing and office machinery
  • Information Patent Grant

    Pocket computer
    • Patent number D303955
    • Issue date Oct 10, 1989
    • Sharp Kabushiki Kaisha
    • Hajime Shiozawa
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable computer
    • Patent number D303523
    • Issue date Sep 19, 1989
    • Sharp Kabushiki Kaisha
    • Hajime Shiozawa
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    Portable Information Terminal
    • Publication number 20080004083
    • Publication date Jan 3, 2008
    • Kunihiro Ohki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE