Yoshiyuki Usami

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Laser beam detecting device

    • Patent number 6,480,264
    • Issue date Nov 12, 2002
    • Kabushiki Kaisha Topcon
    • Kazuaki Kimura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING