Ryohzo Yanagisawa

Person

  • Matsudo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Coordinate input apparatus

    • Patent number 5,239,138
    • Issue date Aug 24, 1993
    • Canon Kabushiki Kaisha
    • Katsuyuki Kobayashi
    • G06 - COMPUTING CALCULATING COUNTING