Yoshinori Hattori

Person

  • Nagoya, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Ceramics spike pin

    • Patent number 4,993,174
    • Issue date Feb 19, 1991
    • NGK Spark Plug Company, Ltd.
    • Masamichi Yamada
    • A43 - FOOTWEAR