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Keitaro Yamagishi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Transmission path design assistance system, transmission path desig...
    • Patent number 11,727,179
    • Issue date Aug 15, 2023
    • Mitsubishi Electric Corporation
    • Koji Shibuya
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical module
    • Patent number 10,916,912
    • Issue date Feb 9, 2021
    • Mitsubishi Electric Corporation
    • Hiroshi Itakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor package
    • Patent number D909318
    • Issue date Feb 2, 2021
    • Mitsubishi Electric Corporation
    • Hiroshi Itakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Semiconductor package
    • Patent number D909317
    • Issue date Feb 2, 2021
    • Mitsubishi Electric Corporation
    • Hiroshi Itakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Semiconductor package
    • Patent number D908646
    • Issue date Jan 26, 2021
    • Mitsubishi Electric Corporation
    • Hiroshi Itakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Semiconductor package
    • Patent number D908647
    • Issue date Jan 26, 2021
    • Mitsubishi Electric Corporation
    • Hiroshi Itakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Semiconductor package
    • Patent number D877707
    • Issue date Mar 10, 2020
    • Mitsubishi Electric Corporation
    • Hiroshi Itakura
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Signal transmission circuit, IC package, and mounting board
    • Patent number 8,081,487
    • Issue date Dec 20, 2011
    • Mitsubishi Denki Kabushiki Kaisha
    • Keitaro Yamagishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signal transmission circuit, IC package, and mounting board
    • Patent number 7,501,910
    • Issue date Mar 10, 2009
    • Mitsubishi Denki Kabushiki Kaisha
    • Keitaro Yamagishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Signal output system
    • Patent number 6,487,250
    • Issue date Nov 26, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Tetsuro Kato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents