TREA

Takehiko Kobayashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Game ball
    • Patent number 7,976,416
    • Issue date Jul 12, 2011
    • Tokyo Denki University
    • Takehiko Kobayashi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Process for coloring concrete
    • Patent number 5,534,214
    • Issue date Jul 9, 1996
    • Toyoko Giken Co., Ltd.
    • Nobuyuki Sakamoto
    • E04 - BUILDING
  • Information Patent Grant

    Concrete coloring material and process for coloring concrete
    • Patent number 5,476,722
    • Issue date Dec 19, 1995
    • Toyoko Giken Co., Ltd.
    • Nobuyuki Sakamoto
    • E04 - BUILDING
  • Information Patent Grant

    Exothermic body
    • Patent number 4,331,731
    • Issue date May 25, 1982
    • Mitsubishi Gas Chemical Company, Inc.
    • Takashi Seike
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    GAME BALL
    • Publication number 20090111619
    • Publication date Apr 30, 2009
    • Takehiko Kobayashi
    • A63 - SPORTS GAMES AMUSEMENTS