Keiko Higashi

Person

  • Kokubu, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum nitride sintered body

    • Patent number 5,124,284
    • Issue date Jun 23, 1992
    • Kyocera Corporation
    • Masanobu Ishida
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES