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Shinya Kagawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker device
    • Patent number 11,218,812
    • Issue date Jan 4, 2022
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shinya Kagawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electroacoustic transducer
    • Patent number 10,506,335
    • Issue date Dec 10, 2019
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shinya Kagawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker, and electronic apparatus and mobile device using the l...
    • Patent number 9,161,109
    • Issue date Oct 13, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shinya Kagawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Speaker and electronic device using the speaker
    • Patent number 8,879,776
    • Issue date Nov 4, 2014
    • Panasonic Corporation
    • Hiroyuki Takewa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents