Koichi Hasuike

Person

  • Kashiwazaki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil ring assembly

    • Patent number 5,161,805
    • Issue date Nov 10, 1992
    • Kabushiki Kaisha Riken
    • Haruhito Watanabe
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR