TREA

Toru Sakai

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  • Hokkaido, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Producing method of concrete
    • Patent number 9,688,000
    • Issue date Jun 27, 2017
    • AIZAWA CONCRETE CORPORATION
    • Seiji Nakamura
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    PRODUCING METHOD OF CONCRETE
    • Publication number 20150202794
    • Publication date Jul 23, 2015
    • AIZAWA CONCRETE CORPORATION
    • Seiji Nakamura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES