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Tsutomu MATSUSHITA

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Detection sensor and detection device including the same
    • Patent number 11,788,881
    • Issue date Oct 17, 2023
    • Hosiden Corporation
    • Tsutomu Matsushita
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Microphone unit
    • Patent number 11,647,329
    • Issue date May 9, 2023
    • Hosiden Corporation
    • Tsutomu Matsushita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound collecting device
    • Patent number 11,638,088
    • Issue date Apr 25, 2023
    • Hosiden Corporation
    • Tsutomu Matsushita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROPHONE UNIT
    • Publication number 20220248132
    • Publication date Aug 4, 2022
    • HOSIDEN CORPORATION
    • Tsutomu MATSUSHITA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DETECTION SENSOR AND DETECTION DEVICE INCLUDING THE SAME
    • Publication number 20220065691
    • Publication date Mar 3, 2022
    • HOSIDEN CORPORATION
    • Tsutomu MATSUSHITA
    • G01 - MEASURING TESTING
  • Information Patent Application

    WATERPROOF MICROPHONE
    • Publication number 20220021969
    • Publication date Jan 20, 2022
    • HOSIDEN CORPORATION
    • Tsutomu MATSUSHITA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND COLLECTING DEVICE
    • Publication number 20210345035
    • Publication date Nov 4, 2021
    • HOSIDEN CORPORATION
    • Tsutomu MATSUSHITA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE