TREA

Shoyu Watanabe

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  • Amagasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic head device
    • Patent number 5,239,433
    • Issue date Aug 24, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Shoyu Watanabe
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Input pen data input tablet
    • Patent number 4,868,351
    • Issue date Sep 19, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Shoyu Watanabe
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Compound type magnetic head
    • Patent number 4,602,307
    • Issue date Jul 22, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Jirou Toriu
    • G11 - INFORMATION STORAGE