Makoto Umekawa

Person

  • Hyogo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Switching device

    • Patent number 7,205,494
    • Issue date Apr 17, 2007
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinji Misaki
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents