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Seiya Uchida

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  • Akishima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Conference system
    • Patent number 4,730,306
    • Issue date Mar 8, 1988
    • Iwatsu Electric Co., Ltd.
    • Seiya Uchida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Conference system
    • Patent number 4,726,016
    • Issue date Feb 16, 1988
    • Iwatsu Electric Clock Co., Ltd.
    • Seiya Uchida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Synchronization system for key telephone system
    • Patent number 4,583,221
    • Issue date Apr 15, 1986
    • Iwasaki Tsushinki K.K.
    • Seiya Uchida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Power source circuit
    • Patent number 4,479,085
    • Issue date Oct 23, 1984
    • Iwasaki Tsushinki Kabushiki Kaisha
    • Seiya Uchida
    • G05 - CONTROLLING REGULATING