Haruya Sawara

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete composition

    • Patent number 5,352,290
    • Issue date Oct 4, 1994
    • JDC Corporation
    • Haruyuki Takeshita
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES