TREA

Hidefumi Hiramatsu

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  • Tsuchiura-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portion of a counterweight for construction machine
    • Patent number D969173
    • Issue date Nov 8, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Excavator
    • Patent number D915470
    • Issue date Apr 6, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

  • Information Patent Application

    Muffler Draining Apparatus for Working Machine
    • Publication number 20110219757
    • Publication date Sep 15, 2011
    • Hitachi Construction Machinery Co., Ltd.
    • Tomoyuki SAITO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES