TREA

Ohkawa Hiroshi

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  • Niigata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sodium-sulfur battery
    • Patent number 10,637,103
    • Issue date Apr 28, 2020
    • YUGENKAISHA CHUSEIGIKEN
    • Hiroshi Ohkawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Solid electrolyte secondary battery
    • Patent number 9,300,012
    • Issue date Mar 29, 2016
    • Hiroshi Ohkawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 8,796,779
    • Issue date Aug 5, 2014
    • Panasonic Corporation
    • Satoru Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 8,779,524
    • Issue date Jul 15, 2014
    • Panasonic Corporation
    • Yoshiya Moriyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic EL element
    • Patent number 6,975,066
    • Issue date Dec 13, 2005
    • Nippon Seiki Co., Ltd.
    • Hitoshi Wakai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electroluminescent display
    • Patent number 6,624,571
    • Issue date Sep 23, 2003
    • Nippon Seiki Co., Ltd.
    • Tadokoro Toyoyasu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Life estimation device for engine and machine having heat source
    • Patent number 6,542,853
    • Issue date Apr 1, 2003
    • Komatsu, Ltd.
    • Taku Murakami
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Floating structures and locking device thereof
    • Patent number 5,483,913
    • Issue date Jan 16, 1996
    • Hiroshi Ohkawa
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Substrate connector
    • Patent number 5,211,571
    • Issue date May 18, 1993
    • Hirose Electric Co., Ltd.
    • Tatsuya Arai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrical contact terminal and method of making same
    • Patent number 5,094,633
    • Issue date Mar 10, 1992
    • Hirose Electric Co., Ltd.
    • Tatsuya Arai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting electroluminescent device
    • Patent number 4,743,801
    • Issue date May 10, 1988
    • Nippon Seiki Co. Ltd.
    • Meiso Yokoyama
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Decorative display apparatus
    • Patent number 4,733,488
    • Issue date Mar 29, 1988
    • Nippon Seiki Co., Ltd.
    • Meiso Yokoyama
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Toy vehicle
    • Patent number D293002
    • Issue date Dec 1, 1987
    • Tomy Kogyo Co., Inc.
    • Hiroshi Ohkawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Device for collecting particulates in exhaust gases
    • Patent number 4,427,418
    • Issue date Jan 24, 1984
    • Kabushiki Kaisha Toyota Chuo Kenkyusho
    • Takeshi Kogiso
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Toy dog figurine
    • Patent number D261162
    • Issue date Oct 6, 1981
    • Tomy Kogyo Co., Inc.
    • Hiroshi Ohkawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Toy bear figurine
    • Patent number D261161
    • Issue date Oct 6, 1981
    • Tomy Kogyo, Co., Inc.
    • Hiroshi Ohkawa
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Toy monkey figurine
    • Patent number D260795
    • Issue date Sep 15, 1981
    • Tomy Kogyo Co., Inc.
    • Hiroshi Ohkawa
    • D21 - Games, toys, and sports goods

Patents Applicationslast 30 patents