Yasushi Konomura

Person

  • Ibaraki-ken, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic excavator

    • Patent number D437602
    • Issue date Feb 13, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified