Patents by Inventor Shouhei SUGIKI

Shouhei SUGIKI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Construction machine
    Patent number: 11118328
    Abstract: An object of the present invention is to provide a construction machine capable of suppressing lugging down of an engine irrespective of contents of operation of an operator and the load state of a hydraulic actuator.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: September 14, 2021
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Juri Shimizu, Kenji Hiraku, Hiromasa Takahashi, Teppei Saitou, Shouhei Sugiki
  • Construction Machine
    Publication number: 20210246634
    Abstract: An object of the present invention is to provide a construction machine capable of suppressing lugging down of an engine irrespective of contents of operation of an operator and the load state of a hydraulic actuator.
    Type: Application
    Filed: May 20, 2019
    Publication date: August 12, 2021
    Inventors: Juri SHIMIZU, Kenji HIRAKU, Hiromasa TAKAHASHI, Teppei SAITOU, Shouhei SUGIKI
  • Construction machine
    Patent number: 10677272
    Abstract: Provided is a construction machine capable of detecting a stuck-open state of a surplus flow control valve in real time during operation without involving a reduction in the operational speed.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: June 9, 2020
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Teppei Saitoh, Juri Shimizu, Kenji Hiraku, Hiromasa Takahashi, Shouhei Sugiki
  • Construction Machine
    Publication number: 20190078594
    Abstract: Provided is a construction machine capable of detecting a stuck-open state of a surplus flow control valve in real time during operation without involving a reduction in the operational speed.
    Type: Application
    Filed: June 26, 2017
    Publication date: March 14, 2019
    Applicant: Hitachi Constuction Machinery Co., Ltd.
    Inventors: Teppei SAITOH, Juri SHIMIZU, Kenji HIRAKU, Hiromasa TAKAHASHI, Shouhei SUGIKI