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Hiroyuki Dohi

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  • Yamagata, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER BRACKET, SPEAKER FRAME, AND SPEAKER
    • Publication number 20230396905
    • Publication date Dec 7, 2023
    • Pioneer Corporation
    • Hayami KONDO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    BRACKET FOR SPEAKER, FRAME FOR SPEAKER, AND SPEAKER
    • Publication number 20210211789
    • Publication date Jul 8, 2021
    • PIONEER CORPORATION
    • Hayami KONDO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND GENERATOR FOR MOBILE ENTITIES
    • Publication number 20200137482
    • Publication date Apr 30, 2020
    • Pioneer Corporation
    • Hiroyuki DOHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SOUND GENERATION DEVICE
    • Publication number 20180270579
    • Publication date Sep 20, 2018
    • Pioneer Corporation
    • Satoru HIWATARI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20170359647
    • Publication date Dec 14, 2017
    • Pioneer Corporation
    • Kenichi OSHIMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20170347184
    • Publication date Nov 30, 2017
    • Pioneer Corporation
    • Kenichi OSHIMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SUPPORT MEMBER FOR SPEAKER VIBRATING BODY AND SPEAKER DEVICE
    • Publication number 20100310109
    • Publication date Dec 9, 2010
    • Pioneer Corporation
    • Hiroyuki Dohi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20100208934
    • Publication date Aug 19, 2010
    • Pioneer Corporation
    • Hiroyuki Dohi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker Device
    • Publication number 20100177925
    • Publication date Jul 15, 2010
    • Pioneer Corporation
    • Akihiko Furuto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    REPULSION-TYPE MAGNETIC CIRCUIT AND SPEAKER DEVICE
    • Publication number 20100128891
    • Publication date May 27, 2010
    • Pioneer Corporation
    • Hayami Kondo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Magnetic circuit for speaker device and speaker device
    • Publication number 20080025552
    • Publication date Jan 31, 2008
    • Pioneer Corporation
    • Hiroyuki Dohi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker device
    • Publication number 20070286447
    • Publication date Dec 13, 2007
    • Pioneer Corporation
    • Hiroyuki Tomiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker-provided mounting table
    • Publication number 20040025755
    • Publication date Feb 12, 2004
    • Koji Maekawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker device
    • Publication number 20040028246
    • Publication date Feb 12, 2004
    • Koji Maekawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Internal magnetic circuit and loudspeaker system incorporating the...
    • Publication number 20040005075
    • Publication date Jan 8, 2004
    • Pioneer Corporation
    • Hiroyuki Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Chair equipped with a speaker
    • Publication number 20030152245
    • Publication date Aug 14, 2003
    • PIONEER CORPORATION
    • Koji Maekawa
    • B60 - VEHICLES IN GENERAL