Yoshito Ushiyama

Person

  • Suwa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrode structure in display device

    • Patent number 4,281,901
    • Issue date Aug 4, 1981
    • Kabushiki Kaisha Suwa Seikosha
    • Yoshito Ushiyama
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multi-colored display device

    • Patent number 4,241,339
    • Issue date Dec 23, 1980
    • Kabushiki Kaisha Suwa Seikosha
    • Yoshito Ushiyama
    • G02 - OPTICS