Nishiyama Yoshihiro

Person

  • Suita-shi, Osaka-fu, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Powerless emergency elevator

    • Patent number 5,368,131
    • Issue date Nov 29, 1994
    • Nishiyama Yoshihiro
    • B66 - HOISTING LIFTING HAULING