TREA

Hiroyuki Urushibata

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disc loading apparatus
    • Patent number 5,172,361
    • Issue date Dec 15, 1992
    • Sony Corporation
    • Hiroyuki Urushibata
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc drive apparatus
    • Patent number 5,063,557
    • Issue date Nov 5, 1991
    • Sony Corporation
    • Ryoji Takamatsu
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disc player
    • Patent number 4,755,978
    • Issue date Jul 5, 1988
    • Sony Corporation
    • Kazuyuki Takizawa
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Record changer
    • Patent number 4,412,321
    • Issue date Oct 25, 1983
    • Sony Corporation
    • Shunji Tokumitsu
    • G11 - INFORMATION STORAGE