Yasuo Wako

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Interactive graphic system

    • Patent number 4,364,056
    • Issue date Dec 14, 1982
    • Yokogawa Electric Works, Ltd.
    • Yoshihiro Suzuki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES