TREA

Masaaki OHARA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound output device
    • Patent number 12,058,487
    • Issue date Aug 6, 2024
    • Sony Group Corporation
    • Masaaki Ohara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SOUND OUTPUT DEVICE
    • Publication number 20220295168
    • Publication date Sep 15, 2022
    • SONY GROUP CORPORATION
    • MASAAKI OHARA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND OUTPUT DEVICE
    • Publication number 20220103919
    • Publication date Mar 31, 2022
    • SONY GROUP CORPORATION
    • Sai KARASAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE