TREA

Katsuhiko Yaguchi

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cassette changer for tape player
    • Patent number 5,115,362
    • Issue date May 19, 1992
    • Pioneer Electronic Corporation
    • Tamotsu Harada
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Frequency/voltage conversion circuit
    • Patent number 4,446,439
    • Issue date May 1, 1984
    • Pioneer Electronic Corporation
    • Kastuji Mizumoto
    • G01 - MEASURING TESTING