TREA

Yoshinobu Sengiku

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  • Matsusaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sounder
    • Patent number 5,889,732
    • Issue date Mar 30, 1999
    • Matsushita Electric Industrial Co., Ltd.
    • Takanori Fukuyama
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Speaker
    • Patent number 5,583,944
    • Issue date Dec 10, 1996
    • Matsushita Electric Industrial Co., Ltd.
    • Yukinori Morohoshi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE