Yoshihiro Uesugi

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Panel shutter device

    • Patent number 5,172,742
    • Issue date Dec 22, 1992
    • Sanwa Shutter Corporation
    • Hiroshi Iwasaki
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS