Akira Ota

Person

  • Kanagawa-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Flowability additive

    • Patent number 6,166,119
    • Issue date Dec 26, 2000
    • MBT Holding AG
    • Shigemi Matsuo
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES