TREA

Kenichiro Osawa

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  • Imabari-shi Ehime, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gypsum board
    • Patent number 7,691,467
    • Issue date Apr 6, 2010
    • Yoshino Gypsum Co., Ltd.
    • Tatsukazu Kimura
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of fabricating plaster board
    • Patent number 7,686,902
    • Issue date Mar 30, 2010
    • Yoshino Gypsum Co., Ltd.
    • Tatsukazu Kimura
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents