Masashi Tonomura

Person

  • Tokyo, JP

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