Tugio Hayashi

Person

  • Toyohashi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling and threading tool

    • Patent number 5,733,078
    • Issue date Mar 31, 1998
    • OSG Corporation
    • Takayuki Matsushita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR