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Akihiro Narazaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Work machine
    • Patent number 12,286,768
    • Issue date Apr 29, 2025
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki Tanaka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 12,227,920
    • Issue date Feb 18, 2025
    • Hitachi Construction Machinery Co., Ltd.
    • Ryota Kameoka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Hydraulic excavator
    • Patent number 12,221,763
    • Issue date Feb 11, 2025
    • Hitachi Construction Machinery Co., Ltd.
    • Teruki Igarashi
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 12,134,875
    • Issue date Nov 5, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Tarou Akita
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 12,123,438
    • Issue date Oct 22, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Hisami Nakano
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 12,104,360
    • Issue date Oct 1, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Ryota Kameoka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Remote control system for work machine
    • Patent number 12,037,772
    • Issue date Jul 16, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Teruki Igarashi
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Work machine
    • Patent number 12,012,716
    • Issue date Jun 18, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke Suzuki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 12,000,416
    • Issue date Jun 4, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,965,315
    • Issue date Apr 23, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine and periphery monitoring system
    • Patent number 11,885,108
    • Issue date Jan 30, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Keiichirou Anahara
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 11,781,285
    • Issue date Oct 10, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki Amano
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,739,502
    • Issue date Aug 29, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,718,977
    • Issue date Aug 8, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento Kumagai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Working machine
    • Patent number 11,274,419
    • Issue date Mar 15, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Shu Shirato
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Work machine
    • Patent number 11,001,985
    • Issue date May 11, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Masamichi Ito
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Construction machine
    • Patent number 10,677,268
    • Issue date Jun 9, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Daiki Itou
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 10,662,618
    • Issue date May 26, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Tomoaki Kaneta
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Engine lug-down suppressing device for hydraulic work machinery
    • Patent number 8,726,664
    • Issue date May 20, 2014
    • Hitachi Construction Machinery Co., Ltd.
    • Akihiro Narazaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Control unit for construction machine
    • Patent number 8,560,185
    • Issue date Oct 15, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akihiro Narazaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Torque control apparatus for construction machine three-pump system
    • Patent number 8,371,117
    • Issue date Feb 12, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazunori Nakamura
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Engine control system for construction machine
    • Patent number 8,321,094
    • Issue date Nov 27, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Yasuo Okano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pump control apparatus for construction machine
    • Patent number 8,006,491
    • Issue date Aug 30, 2011
    • Hitachi Construction Machinery Co., Ltd.
    • Akihiro Narazaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Work Machine
    • Publication number 20240301661
    • Publication date Sep 12, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki AMANO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20240287763
    • Publication date Aug 29, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki AMANO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20240125091
    • Publication date Apr 18, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji NISHIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20240052600
    • Publication date Feb 15, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji NISHIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20240026656
    • Publication date Jan 25, 2024
    • Hitachi Construction Machinery Co., Ltd.
    • Shuuichi MEGURIYA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20230366174
    • Publication date Nov 16, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji NISHIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230358022
    • Publication date Nov 9, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20230332375
    • Publication date Oct 19, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke SUZUKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20230304260
    • Publication date Sep 28, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki TANAKA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20230167622
    • Publication date Jun 1, 2023
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20220349153
    • Publication date Nov 3, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Ryota KAMEOKA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220333348
    • Publication date Oct 20, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220333352
    • Publication date Oct 20, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20220333356
    • Publication date Oct 20, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Ryota KAMEOKA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Work Machine
    • Publication number 20220290406
    • Publication date Sep 15, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Kento KUMAGAI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE AND PERIPHERY MONITORING SYSTEM
    • Publication number 20220290411
    • Publication date Sep 15, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Keiichirou ANAHARA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20220282450
    • Publication date Sep 8, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hiroaki AMANO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    REMOTE CONTROL SYSTEM FOR WORK MACHINE
    • Publication number 20220275604
    • Publication date Sep 1, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Teruki IGARASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20220267998
    • Publication date Aug 25, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Shinji NISHIKAWA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20220220694
    • Publication date Jul 14, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Yusuke SUZUKI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20220186458
    • Publication date Jun 16, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Tarou AKITA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC EXCAVATOR
    • Publication number 20220186459
    • Publication date Jun 16, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Teruki IGARASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20220154742
    • Publication date May 19, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Hisami NAKANO
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    WORK MACHINE
    • Publication number 20220145580
    • Publication date May 12, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Teruki IGARASHI
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20220025608
    • Publication date Jan 27, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Masamichi ITOH
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Working Machine
    • Publication number 20210285185
    • Publication date Sep 16, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Shu SHIRATO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20200157768
    • Publication date May 21, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Masamichi ITO
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Construction Machine
    • Publication number 20190219071
    • Publication date Jul 18, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Daiki ITOU
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Construction Machine
    • Publication number 20190211530
    • Publication date Jul 11, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Tomoaki KANETA
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    CONTROL UNIT FOR CONSTRUCTION MACHINE
    • Publication number 20130190994
    • Publication date Jul 25, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akihiro Narazaki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING