Harumi Maruyama

Person

  • Katsuta, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Non-interference control method and device

    • Patent number 5,375,448
    • Issue date Dec 27, 1994
    • Hitachi, Ltd.
    • Yasunori Katayama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...