TREA

Masao Ono

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  • Tokorozawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual drive system for phono pickup arm
    • Patent number 4,580,257
    • Issue date Apr 1, 1986
    • Pioneer Electronic Corporation
    • Takashi Kikuchi
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc player apparatus
    • Patent number 4,347,596
    • Issue date Aug 31, 1982
    • Pioneer Electronic Corporation
    • Kunio Abe
    • G11 - INFORMATION STORAGE