Yasuyuki Takahata

Person

  • Kasugai, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Machines for forming coiled springs

    • Patent number 4,296,621
    • Issue date Oct 27, 1981
    • Asahi-Seiki Manufacturing Co., Ltd.
    • Yozo Ohdai
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...