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Yasuo SHIOZAWA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic apparatus
    • Patent number 9,473,847
    • Issue date Oct 18, 2016
    • Yamaha Corporation
    • Yasuo Shiozawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microphone device
    • Patent number 9,407,983
    • Issue date Aug 2, 2016
    • Yamaha Corporation
    • Kunihiro Kumagai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Microphone Device
    • Publication number 20150373438
    • Publication date Dec 24, 2015
    • Yahama Corporation
    • Kunihiro KUMAGAI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker and Speaker Net
    • Publication number 20150110325
    • Publication date Apr 23, 2015
    • Yamaha Corporation
    • Yasuo SHIOZAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic Apparatus
    • Publication number 20140254839
    • Publication date Sep 11, 2014
    • Yamaha Corporation
    • Yasuo SHIOZAWA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE