TREA

Hiroyuki Hamada

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound signal playback machine and method thereof
    • Patent number RE42390
    • Issue date May 24, 2011
    • Pioneer Corporation
    • Shintaro Hosoi
    • 381 - Electrical audio signal processing systems and devices
  • Information Patent Grant

    Sound signal playback machine and method thereof
    • Patent number 6,804,361
    • Issue date Oct 12, 2004
    • Pioneer Corporation
    • Shintaro Hosoi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker apparatus
    • Patent number 6,324,292
    • Issue date Nov 27, 2001
    • Pioneer Corporation
    • Takashi Mitsuhashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker having a yoke, magnet, cylindrical throat, and spacer p...
    • Patent number 5,878,149
    • Issue date Mar 2, 1999
    • Pioneer Electronic Corporation
    • Hiroyuki Hamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system
    • Patent number 5,333,204
    • Issue date Jul 26, 1994
    • Pioneer Electronic Corporation
    • Hiroyuki Hamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Horn loadspeaker
    • Patent number 5,233,136
    • Issue date Aug 3, 1993
    • Pioneer Electronic Corporation
    • Hiroyuki Hamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Standing wave absorbing device for vehicle
    • Publication number 20050155815
    • Publication date Jul 21, 2005
    • PIONEER CORPORATION
    • Katsuhiro Sasaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SPEAKER AND METHOD OF INSTALLING THE SAME
    • Publication number 20050041829
    • Publication date Feb 24, 2005
    • Pioneer Corporation
    • Yasuhisa ABE
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Method of mounting and driving speakers
    • Publication number 20050041820
    • Publication date Feb 24, 2005
    • PIONEER CORPORATION
    • Yasuhisa Abe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Audio data processing device, audio data processing method, program...
    • Publication number 20050008171
    • Publication date Jan 13, 2005
    • Pioneer Corporation
    • Shintaro Hosoi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Audio apparatus
    • Publication number 20040136551
    • Publication date Jul 15, 2004
    • PIONEER CORPORATION
    • Yasuhisa Abe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Audio apparatus
    • Publication number 20040086132
    • Publication date May 6, 2004
    • PIONEER CORPORATION
    • Yasuhisa Abe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound signal playback machine and method thereof
    • Publication number 20020186854
    • Publication date Dec 12, 2002
    • PIONEER CORPORATION
    • Shintaro Hosoi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE