TREA

Youichi Kimura

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  • Suita, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker system with image projection screen
    • Patent number 5,025,474
    • Issue date Jun 18, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuneo Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Directional loudspeaker system
    • Patent number 4,823,908
    • Issue date Apr 25, 1989
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuneo Tanaka
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS