TREA

Yoshiya HAMAMACHI

Follow

Person

  • Toride-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Oil diagnosis system
    • Patent number 11,447,936
    • Issue date Sep 20, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki Takami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oil properties diagnostic system for work machine
    • Patent number 10,087,605
    • Issue date Oct 2, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Teruo Nakamura
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    OIL DIAGNOSIS SYSTEM
    • Publication number 20200325657
    • Publication date Oct 15, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki TAKAMI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OIL PROPERTIES DIAGNOSTIC SYSTEM FOR WORK MACHINE
    • Publication number 20170284068
    • Publication date Oct 5, 2017
    • Hitachi Construction Machinery Co., Ltd.
    • Teruo NAKAMURA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING