Tadashi Kawai

Person

  • Yamashina-ku, Kyoto, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Light-weight pottery article

    • Patent number 6,251,814
    • Issue date Jun 26, 2001
    • Tadashi Kawai
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES