Yoji Niizawa

Person

  • Fukuoka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Diamond cutting saw blades

    • Patent number 5,433,187
    • Issue date Jul 18, 1995
    • Noritake Diamond Industries Co., Ltd.
    • Kenji Hayasaka
    • B28 - WORKING CEMENT, CLAY, OR STONE