Waichi Nishikawa

Person

  • Nishinomiya, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Control of welding arc length

    • Patent number 6,156,998
    • Issue date Dec 5, 2000
    • Daihen Corporation
    • Norihito Takahashi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR