TREA

Kazuyuki Nagahara

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  • Katsuta, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery charger
    • Patent number D313004
    • Issue date Dec 18, 1990
    • Hitachi Koko Company, Ltd.
    • Hideaki Hasegawa
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Battery charger
    • Patent number 4,873,479
    • Issue date Oct 10, 1989
    • Hitachi Koki Company, Ltd.
    • Yoshio Iimura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery casing
    • Patent number 4,399,201
    • Issue date Aug 16, 1983
    • Hitachi Koki Company, Limited
    • Kazuyuki Nagahara
    • H01 - BASIC ELECTRIC ELEMENTS