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Kazuhisa Akiyama

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  • Hirakata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plane antenna assembly
    • Patent number 4,801,943
    • Issue date Jan 31, 1989
    • Matsushita Electric Works, Ltd.
    • Yasuo Yabu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Individuality discriminating system
    • Patent number 4,703,347
    • Issue date Oct 27, 1987
    • Matsushita Electric Works, Ltd.
    • Akira Yasuda
    • G07 - CHECKING-DEVICES