TREA

Shinichi Yamamoto

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  • Tochigi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing a camshaft
    • Patent number 5,778,530
    • Issue date Jul 14, 1998
    • Nippon Piston Ring Company, Ltd.
    • Yoshikatsu Nakamura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Camshaft
    • Patent number 5,542,990
    • Issue date Aug 6, 1996
    • Nippon Piston Ring Co., Ltd.
    • Yoshikatsu Nakamura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...