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Ryoichi Suga

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Terminal apparatus for videotex system
    • Patent number 5,117,484
    • Issue date May 26, 1992
    • Sony Corporation
    • Yutaka Nakagawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multiple display system
    • Patent number 4,800,376
    • Issue date Jan 24, 1989
    • Sony Corporation
    • Ryoichi Suga
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents