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Katsuyuki Hamada

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor device
    • Patent number 4,197,555
    • Issue date Apr 8, 1980
    • Fujitsu Limited
    • Takao Uehara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Log in-out system for logic apparatus
    • Patent number 4,145,749
    • Issue date Mar 20, 1979
    • Fujitsu Limited
    • Tatsuro Yoshimura
    • G06 - COMPUTING CALCULATING COUNTING