TREA

Toshiyuki Mizutani

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  • Neyagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker
    • Patent number 6,343,132
    • Issue date Jan 29, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Suemei Fukuhara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker and speaker system
    • Patent number 4,387,275
    • Issue date Jun 7, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Yasuomi Shimada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE