TREA

Rokuro Kikuchi

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producting an electric contact
    • Patent number 4,821,412
    • Issue date Apr 18, 1989
    • Hitachi, Ltd.
    • Tatsuhiro Tani
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of production of cylindrical body
    • Patent number 4,628,720
    • Issue date Dec 16, 1986
    • Hitachi, Ltd.
    • Tatsuhiro Tani
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Magneto for motor vehicle
    • Patent number 4,137,884
    • Issue date Feb 6, 1979
    • Hitachi, Ltd.
    • Mituo Odazima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER