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Teruho Yamada

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker system, method and apparatus of manufacturing the same
    • Patent number 7,386,145
    • Issue date Jun 10, 2008
    • Mitsubishi Denki Kabushiki Kaisha
    • Teruho Yamada
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Sound control unit and sound system
    • Patent number 7,050,594
    • Issue date May 23, 2006
    • Mitsubishi Denki Kabushiki Kaisha
    • Tsuyoshi Nakada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device, and method and device for producing the same
    • Patent number 6,899,794
    • Issue date May 31, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Teruho Yamada
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Speaker device
    • Patent number 6,371,241
    • Issue date Apr 16, 2002
    • Foster Electric Co., Ltd.
    • Teruho Yamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker device
    • Patent number 5,625,699
    • Issue date Apr 29, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Teruho Yamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Damper for loudspeaker
    • Patent number 5,619,019
    • Issue date Apr 8, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Takeshi Yoshimura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents