Hiroyuki Yamashita

Person

  • Iruma, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cutter for impact-type cutting machine

    • Patent number 4,834,462
    • Issue date May 30, 1989
    • Waikei Trading Kabushiki Kaisha
    • Hiroyuki Yamashita
    • B28 - WORKING CEMENT, CLAY, OR STONE