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Masaki YAMAMOTO

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  • Hamamatsu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker array apparatus
    • Patent number 9,736,577
    • Issue date Aug 15, 2017
    • Yamaha Corporation
    • Masaki Yamamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Light guide body
    • Patent number 9,632,227
    • Issue date Apr 25, 2017
    • Yamaha Corporation
    • Yoshiaki Kawaida
    • G02 - OPTICS
  • Information Patent Grant

    Light guide body, relay apparatus, and speaker apparatus
    • Patent number 9,435,926
    • Issue date Sep 6, 2016
    • Yamaha Corporation
    • Masaki Yamamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Relay device and speaker apparatus
    • Patent number 8,909,055
    • Issue date Dec 9, 2014
    • Yamaha Corporation
    • Yoshiaki Kawaida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Speaker Array Apparatus
    • Publication number 20160255434
    • Publication date Sep 1, 2016
    • Yamaha Corporation
    • Masaki YAMAMOTO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Light Guide Body, Relay Apparatus, and Speaker Apparatus
    • Publication number 20150212248
    • Publication date Jul 30, 2015
    • YAMAHA CORPORATION
    • Masaki Yamamoto
    • G02 - OPTICS
  • Information Patent Application

    Light Guide Body
    • Publication number 20140105560
    • Publication date Apr 17, 2014
    • YAMAHA CORPORATION
    • Yoshiaki Kawaida
    • G02 - OPTICS
  • Information Patent Application

    Relay Device and Speaker Apparatus
    • Publication number 20120293722
    • Publication date Nov 22, 2012
    • Yamaha Corporation
    • Yoshiaki KAWAIDA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE