Shigeya Takahashi

Person

  • Akita, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductive ceramic composition

    • Patent number 5,084,426
    • Issue date Jan 28, 1992
    • TDK Corporation
    • Shoichi Iwaya
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES