Keita Kanei

Person

  • Chigasaki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cement additive

    • Patent number 6,762,220
    • Issue date Jul 13, 2004
    • MBT Holding AG
    • Minoru Yaguchi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES