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Satoru Fujiwara

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  • Izumi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound producing device and method of manufacturing sound producing...
    • Patent number 11,800,292
    • Issue date Oct 24, 2023
    • Hosiden Corporation
    • Ryo Inoue
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multi-coil unit, voice coil, and electro-acoustic transducer using...
    • Patent number 9,253,577
    • Issue date Feb 2, 2016
    • Hosiden Corporation
    • Satoru Fujiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Connection device
    • Patent number 9,103,484
    • Issue date Aug 11, 2015
    • Yamaha Corporation
    • Toyofumi Hayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Speaker
    • Patent number D707204
    • Issue date Jun 17, 2014
    • Hosiden Corporation
    • Satoru Fujiwara
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Piezoelectric electroacoustic transducing device
    • Patent number 8,107,650
    • Issue date Jan 31, 2012
    • Hosiden Corporation
    • Satoru Fujiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Piezoelectric electroacoustic transducing device
    • Patent number 7,629,730
    • Issue date Dec 8, 2009
    • Hosiden Corporation
    • Satoru Fujiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number D598428
    • Issue date Aug 18, 2009
    • Hosiden Corporation
    • Satoru Fujiwara
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Piezoelectric electroacoustic transducing device
    • Patent number 7,550,899
    • Issue date Jun 23, 2009
    • Hosiden Corporation
    • Satoru Fujiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number D592643
    • Issue date May 19, 2009
    • Hosiden Corporation
    • Satoru Fujiwara
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D591265
    • Issue date Apr 28, 2009
    • Hosiden Corporation
    • Satoru Fujiwara
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D575270
    • Issue date Aug 19, 2008
    • Hosiden Corporation
    • Satoru Fujiwara
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D572238
    • Issue date Jul 1, 2008
    • Hosiden Corporation
    • Satoru Fujiwara
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D562804
    • Issue date Feb 26, 2008
    • Hosiden Corporation
    • Satoru Fujiwara
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D529482
    • Issue date Oct 3, 2006
    • Hosiden Corporation
    • Tomohiko Kamimura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Speaker
    • Patent number D519986
    • Issue date May 2, 2006
    • Hosiden Corporation
    • Tomohiko Kamimura
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electric acoustic converter having a rear surface terminal
    • Patent number 6,842,530
    • Issue date Jan 11, 2005
    • NEC Corporation
    • Kenji Fukazawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Cord clip
    • Patent number 6,526,635
    • Issue date Mar 4, 2003
    • Hosiden Corporation
    • Koji Nasu
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Hand-free apparatus
    • Patent number 6,438,248
    • Issue date Aug 20, 2002
    • Hosiden Corporation
    • Tomohiko Kamimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents