Hiroyuki Aoki

Person

  • Ibaragi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for measuring gear

    • Patent number 5,052,117
    • Issue date Oct 1, 1991
    • Hitachi Construction Machinery Co., Ltd.
    • Keizou Kubodera
    • G01 - MEASURING TESTING