TREA

Tsuneharu Hashizume

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  • Shimosuwa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Helical scan type rotary head apparatus
    • Patent number 5,270,890
    • Issue date Dec 14, 1993
    • Nippon Hoso Kyokai
    • Daiichirou Katou
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Tape drive mechanism
    • Patent number 5,206,771
    • Issue date Apr 27, 1993
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Daiichirou Katou
    • G11 - INFORMATION STORAGE