TREA

Takamasa KAI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine
    • Patent number 11,499,296
    • Issue date Nov 15, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa Kai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 10,947,699
    • Issue date Mar 16, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei Saitoh
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Work machine
    • Patent number 10,914,053
    • Issue date Feb 9, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa Kai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 10,767,674
    • Issue date Sep 8, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa Kai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Remote control system for work machines
    • Patent number 9,982,415
    • Issue date May 29, 2018
    • Hitachi, Ltd.
    • Hiroyuki Yamada
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Construction Machine
    • Publication number 20220074170
    • Publication date Mar 10, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa KAI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Work Machine
    • Publication number 20200291612
    • Publication date Sep 17, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa KAI
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20190352884
    • Publication date Nov 21, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa KAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20190345692
    • Publication date Nov 14, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei SAITOH
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    External Force Measurement System for Work Machine, and Work Machine
    • Publication number 20180073945
    • Publication date Mar 15, 2018
    • Hitachi, Ltd
    • Takamasa KAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Remote Control System for Work Machines
    • Publication number 20170121938
    • Publication date May 4, 2017
    • HITACHI, LTD.
    • Hiroyuki YAMADA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Roller Screw
    • Publication number 20130160583
    • Publication date Jun 27, 2013
    • Hitachi, Ltd
    • Takamasa KAI
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC