Shigeki Unjoh

Person

  • Tsukuba, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Variable damper for bridges and bridge

    • Patent number 5,349,712
    • Issue date Sep 27, 1994
    • Public Works Research Institute, Ministry of Construction
    • Kazuhiko Kawashima
    • E04 - BUILDING