TREA

Hideki Seki

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ear speaker device
    • Patent number 8,538,059
    • Issue date Sep 17, 2013
    • Sony Corporation
    • Makoto Yamagishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker apparatus
    • Patent number 8,254,613
    • Issue date Aug 28, 2012
    • Sony Corporation
    • Makoto Yamagishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ear speaker device
    • Patent number 8,175,316
    • Issue date May 8, 2012
    • Sony Corporation
    • Makoto Yamagishi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system and fitting device
    • Patent number 8,094,853
    • Issue date Jan 10, 2012
    • Sony Corporation
    • Hideki Seki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Information processing blade and information processing apparatus u...
    • Patent number 7,551,438
    • Issue date Jun 23, 2009
    • NEC Corporation
    • Hideki Seki
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Loudspeaker apparatus
    • Patent number 7,184,562
    • Issue date Feb 27, 2007
    • Sony Corporation
    • Hideki Seki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Earphone
    • Patent number 6,738,487
    • Issue date May 18, 2004
    • Sony Corporation
    • Koji Nageno
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Through hole insertion type electronic component and method of pack...
    • Patent number 6,734,373
    • Issue date May 11, 2004
    • NEC Corporation
    • Hideki Seki
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cylindrical electrical component having two electrodes on bottom face
    • Patent number 6,657,377
    • Issue date Dec 2, 2003
    • NEC Corporation
    • Hideki Seki
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Headphone apparatus
    • Patent number 5,574,795
    • Issue date Nov 12, 1996
    • Sony Corporation
    • Hideki Seki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents