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Shinji Morozumi

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  • Nagano, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hearing aid
    • Patent number 4,068,090
    • Issue date Jan 10, 1978
    • Kabushiki Kaisha Suwa Seikosha
    • Hidetoshi Komatsu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Dynamic divider circuit
    • Patent number 4,063,114
    • Issue date Dec 13, 1977
    • Kabushiki Kaisha Suwa Seikosha
    • Shinji Morozumi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Electronic timepiece semiconductor intergrated circuit
    • Patent number 3,939,642
    • Issue date Feb 24, 1976
    • Kabushiki Kaisha Suwa Seikosha
    • Shinji Morozumi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Electronic timepiece
    • Patent number 3,934,400
    • Issue date Jan 27, 1976
    • Kabushiki Kaisha Suwa Seikosha
    • Izuhiko Nishimura
    • G04 - HOROLOGY