TREA

Hidemichi Sumisha

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tape cassette
    • Patent number 4,485,988
    • Issue date Dec 4, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Kikuya
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Cassette for video tape recorder
    • Patent number D274327
    • Issue date Jun 19, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Hidemichi Sumisha
    • D14 - Recording, communication, or information retrieval equipment