Ryu NARIKAWA

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Work machine

    • Patent number 12,065,805
    • Issue date Aug 20, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei Saitoh
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 12,012,723
    • Issue date Jun 18, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,970,840
    • Issue date Apr 30, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki Takeuchi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,879,233
    • Issue date Jan 23, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu Narikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine

    • Patent number 11,668,069
    • Issue date Jun 6, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji Ishihara
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,649,612
    • Issue date May 16, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu Narikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,639,593
    • Issue date May 2, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Shuuichi Meguriya
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic excavator

    • Patent number 11,391,011
    • Issue date Jul 19, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu Narikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,313,107
    • Issue date Apr 26, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Teruki Igarashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,230,824
    • Issue date Jan 25, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu Narikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine

    • Patent number 11,168,459
    • Issue date Nov 9, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu Narikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for hydraulic construction machine

    • Patent number 10,604,914
    • Issue date Mar 31, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control system for construction machine

    • Patent number 10,450,722
    • Issue date Oct 22, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu Moriki
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Construction machine

    • Patent number 10,435,870
    • Issue date Oct 8, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu Narikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    WORK MACHINE

    • Publication number 20240376693
    • Publication date Nov 14, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei SAITOH
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20240376687
    • Publication date Nov 14, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine

    • Publication number 20230366178
    • Publication date Nov 16, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei SAITOH
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20230358014
    • Publication date Nov 9, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    AUTOMATED WORK SYSTEM

    • Publication number 20230332377
    • Publication date Oct 19, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki SATO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    LOADING WORK SUPPORT SYSTEM

    • Publication number 20230332374
    • Publication date Oct 19, 2023
    • Hitachi, Ltd
    • Shinji ISHIHARA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine Control System

    • Publication number 20230295898
    • Publication date Sep 21, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    WORK MACHINE AND CONTROL SYSTEM

    • Publication number 20220412052
    • Publication date Dec 29, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    WORK MACHINE

    • Publication number 20220316173
    • Publication date Oct 6, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20220136211
    • Publication date May 5, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20210230837
    • Publication date Jul 29, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20210230843
    • Publication date Jul 29, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroki TAKEUCHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20210079625
    • Publication date Mar 18, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE

    • Publication number 20210040705
    • Publication date Feb 11, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji ISHIHARA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20200181883
    • Publication date Jun 11, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Teruki IGARASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20200141091
    • Publication date May 7, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20200048861
    • Publication date Feb 13, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20200032482
    • Publication date Jan 30, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Shuuichi MEGURIYA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE

    • Publication number 20190169818
    • Publication date Jun 6, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL SYSTEM FOR HYDRAULIC CONSTRUCTION MACHINE

    • Publication number 20180355583
    • Publication date Dec 13, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL SYSTEM FOR CONSTRUCTION MACHINE

    • Publication number 20180347150
    • Publication date Dec 6, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Hidekazu MORIKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE

    • Publication number 20180266083
    • Publication date Sep 20, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Ryu NARIKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS