TREA

Mitsuya Shirakawa

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fixture and method for fixing a plurality of plates
    • Patent number 5,997,210
    • Issue date Dec 7, 1999
    • Miyagawa Kasei Industry Co., Ltd.
    • Mitsuya Shirakawa
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Connection structure of deckings
    • Patent number 5,971,655
    • Issue date Oct 26, 1999
    • Miyagawa Kasei Industry Co., Ltd.
    • Mitsuya Shirakawa
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES