Patents by Inventor Ryuuen Kou

Ryuuen Kou 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).

  • Patent number: 11099578
    Abstract: A work machine management system includes: an input data acquisition unit that acquires input data generated by an operation of an input device; a turn signal data setting unit that sets turn signal data for controlling a direction indicator of a work machine to each of a plurality of courses branching from an intersection based on the input data; and an output unit that outputs the turn signal data to the work machine.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: August 24, 2021
    Assignee: Komatsu LTD.
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Patent number: 10946794
    Abstract: A work machine management system includes: an operation range setting unit that sets an operation range in which a direction indicator of a work machine is operated; a traveling condition data generation unit that generates traveling condition data of the work machine; a blinker data setting unit that generates blinker data for controlling the direction indicator on the basis of the operation range and the traveling condition data; and an output device that outputs the blinker data to the work machine.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: March 16, 2021
    Assignee: KOMATSU LTD.
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Patent number: 10802493
    Abstract: A work machine management device includes a manned-vehicle-data acquisition unit configured to acquire position data of a manned vehicle including a first direction indicator and operation data of the first direction indicator, a target-travel-route generation unit configured to generate a target travel route for a work machine, a blinker-data setting unit configured to set blinker data for controlling a second direction indicator of the work machine on the basis of link data obtained by associating the position data of the manned vehicle and the operation data of the first direction indicator, and an output unit configured to output the blinker data to the work machine traveling along the target travel route.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: October 13, 2020
    Assignee: KOMATSU LTD.
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Publication number: 20200293062
    Abstract: A work machine management system includes: an input data acquisition unit that acquires input data generated by an operation of an input device; a turn signal data setting unit that sets turn signal data for controlling a direction indicator of a work machine to each of a plurality of courses branching from an intersection based on the input data; and an output unit that outputs the turn signal data to the work machine.
    Type: Application
    Filed: December 26, 2016
    Publication date: September 17, 2020
    Applicants: Komatsu Ltd., Komatsu Ltd.
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Patent number: 10549681
    Abstract: A work machine management system includes: an obstacle data acquisition unit that acquires position data of an obstacle; a detour course setting unit that sets detour course data that is a detour course of course data along which a work machine travels based on the position data of the obstacle; a turn signal data setting unit that sets turn signal data to control a direction indicator of the work machine in the detour course; and an output unit that outputs the turn signal data to the work machine.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: February 4, 2020
    Assignee: Komatsu LTD.
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Publication number: 20190138016
    Abstract: A work machine management device includes a manned-vehicle-data acquisition unit configured to acquire position data of a manned vehicle including a first direction indicator and operation data of the first direction indicator, a target-travel-route generation unit configured to generate a target travel route for a work machine, a blinker-data setting unit configured to set blinker data for controlling a second direction indicator of the work machine on the basis of link data obtained by associating the position data of the manned vehicle and the operation data of the first direction indicator, and an output unit configured to output the blinker data to the work machine traveling along the target travel route.
    Type: Application
    Filed: May 31, 2017
    Publication date: May 9, 2019
    Applicant: Komatsu Ltd.
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Publication number: 20190084474
    Abstract: A work machine management system includes: an obstacle data acquisition unit that acquires position data of an obstacle; a detour course setting unit that sets detour course data that is a detour course of course data along which a work machine travels based on the position data of the obstacle; a turn signal data setting unit that sets turn signal data to control a direction indicator of the work machine in the detour course; and an output unit that outputs the turn signal data to the work machine.
    Type: Application
    Filed: December 26, 2016
    Publication date: March 21, 2019
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Patent number: 10202116
    Abstract: A control system of a mining machine controls a driving device that drives a traveling device of the mining machine. The control system includes an acceleration command value calculation unit that calculates an acceleration command value for accelerating the mining machine, a correction value calculation unit that calculates a correction value for the acceleration command value based on a first driving force component of the driving device to cause the mining machine to travel at a target traveling speed and a second driving force component of the driving device to offset a resistance component against traveling of the mining machine, an addition processing unit that calculates a correction acceleration command value by adding the acceleration command value and the correction value, and an acceleration command value output unit that outputs the correction acceleration command value to the driving device.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: February 12, 2019
    Assignee: Komatsu Ltd.
    Inventors: Tatsuya Shiga, Ryuuen Kou, Akiharu Nishijima
  • Publication number: 20180354412
    Abstract: A work machine management system includes: an operation range setting unit that sets an operation range in which a direction indicator of a work machine is operated; a traveling condition data generation unit that generates traveling condition data of the work machine; a blinker data setting unit that generates blinker data for controlling the direction indicator on the basis of the operation range and the traveling condition data; and an output device that outputs the blinker data to the work machine.
    Type: Application
    Filed: November 15, 2016
    Publication date: December 13, 2018
    Inventors: Masanori Ogihara, Koji Takeda, Tomonori Ozaki, Akiharu Nishijima, Ryuuen Kou
  • Patent number: 10146228
    Abstract: A work vehicle control system controls a work vehicle having a braking device. The work vehicle control system includes a location information generating unit that obtains and outputs a location of the work vehicle, and a control unit that controls the braking device based on location information of the work vehicle obtained from the location information generating unit. The control unit determines braking force that controls the braking device based on first accuracy that is accuracy of the location information of the work vehicle obtained from the location information generating unit.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: December 4, 2018
    Assignee: Komatsu Ltd.
    Inventors: Atsushi Sakai, Tatsuya Shiga, Ryuuen Kou
  • Patent number: 10124805
    Abstract: A work vehicle includes: an engine; a plurality of drive wheels driven by the engine; and an operation controller executes first drive force control that brakes a slipping drive wheel out of the plurality of drive wheels and executes second drive force control that reduces output of the engine in accordance with the slip ratio of the slipping drive wheel during execution of the first drive force control.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: November 13, 2018
    Assignee: Komatsu Ltd.
    Inventors: Ryuuen Kou, Akiharu Nishijima, Shinya Kondou
  • Patent number: 9891627
    Abstract: A method for controlling a work machine, includes: detecting an area present ahead in a traveling direction of a work machine, in which a target traveling speed of the work machine is constant and is lower than a traveling speed at a current point of time; when the area is detected, obtaining a corrected value for correcting the accelerating instruction value; adding the corrected value and an accelerating instruction value for controlling a traveling speed of the work machine obtained based on the target traveling speed to obtain a corrected accelerating instruction value; and outputting the corrected accelerating instruction value to a drive device configured to drive a traveling device in the work machine.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: February 13, 2018
    Assignee: Komatsu Ltd.
    Inventors: Ryuuen Kou, Akiharu Nishijima
  • Publication number: 20170285658
    Abstract: A work vehicle control system controls a work vehicle having a braking device. The work vehicle control system includes a location information generating unit that obtains and outputs a location of the work vehicle, and a control unit that controls the braking device based on location information of the work vehicle obtained from the location information generating unit. The control unit determines braking force that controls the braking device based on first accuracy that is accuracy of the location information of the work vehicle obtained from the location information generating unit.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 5, 2017
    Inventors: Atsushi Sakai, Tatsuya Shiga, Ryuuen Kou
  • Patent number: 9766637
    Abstract: An operation control system for a mining machine includes, based on travel path information including at least information on moisture content of a travel path on which a mining machine operating at a mine runs, and position information being information on a position of a travel path corresponding to the travel path information, generating speed limit information for changing a speed limit for the mining machine to run on the travel path corresponding to the travel path information.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: September 19, 2017
    Assignee: Komatsu Ltd.
    Inventors: Ryuuen Kou, Masanori Tojima, Tomonori Ozaki
  • Publication number: 20170210386
    Abstract: A work vehicle includes: an engine; a plurality of drive wheels driven by the engine; and an operation controller executes first drive force control that brakes a slipping drive wheel out of the plurality of drive wheels and executes second drive force control that reduces output of the engine in accordance with the slip ratio of the slipping drive wheel during execution of the first drive force control.
    Type: Application
    Filed: July 31, 2014
    Publication date: July 27, 2017
    Inventors: Ryuuen Kou, Akiharu Nishijima, Shinya Kondou
  • Publication number: 20170192434
    Abstract: A method for controlling a work machine, includes: detecting an area present ahead in a traveling direction of a work machine, in which a target traveling speed of the work machine is constant and is lower than a traveling speed at a current point of time; when the area is detected, obtaining a corrected value for correcting the accelerating instruction value; adding the corrected value and an accelerating instruction value for controlling a traveling speed of the work machine obtained based on the target traveling speed to obtain a corrected accelerating instruction value; and outputting the corrected accelerating instruction value to a drive device configured to drive a traveling device in the work machine.
    Type: Application
    Filed: November 30, 2015
    Publication date: July 6, 2017
    Applicant: Komatsu Ltd.
    Inventors: Ryuuen Kou, Akiharu Nishijima
  • Publication number: 20170151946
    Abstract: A control system of a mining machine controls a driving device that drives a traveling device of the mining machine. The control system includes an acceleration command value calculation unit that calculates an acceleration command value for accelerating the mining machine, a correction value calculation unit that calculates a correction value for the acceleration command value based on a first driving force component of the driving device to cause the mining machine to travel at a target traveling speed and a second driving force component of the driving device to offset a resistance component against traveling of the mining machine, an addition processing unit that calculates a correction acceleration command value by adding the acceleration command value and the correction value, and an acceleration command value output unit that outputs the correction acceleration command value to the driving device.
    Type: Application
    Filed: November 27, 2015
    Publication date: June 1, 2017
    Inventors: Tatsuya Shiga, Ryuuen Kou, Akiharu Nishijima
  • Patent number: 9574659
    Abstract: A work vehicle including a transmission that transmits power of an engine to wheels at a plurality of different transmission gear ratios, the work vehicle traveling while maintaining a targeted speed by controlling a degree of opening of an accelerator, brakes, and the transmission, wherein the work vehicle includes a controller which inhibits change in the transmission gear ratio of the transmission when the transmission shifts up before lapse of a first predetermined time after the transmission shifts down while the vehicle is running downhill and then before a second predetermined time elapses, the transmission shifts down while the vehicle is running downhill.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: February 21, 2017
    Assignee: Komatsu Ltd.
    Inventors: Shinya Kondou, Ryuuen Kou
  • Publication number: 20160208914
    Abstract: A work vehicle including a transmission that transmits power of an engine to wheels at a plurality of different transmission gear ratios, the work vehicle travelling while maintaining a targeted speed by controlling a degree of opening of an accelerator, brakes, and the transmission, wherein the work vehicle includes a controller which inhibits change in the transmission gear ratio of the transmission when the transmission shifts up before lapse of a first predetermined time after the transmission shifts down while the vehicle is running downhill and then before a second predetermined time elapses, the transmission shifts down while the vehicle is running downhill.
    Type: Application
    Filed: July 12, 2013
    Publication date: July 21, 2016
    Applicant: KOMATSU LTD.
    Inventors: Shinya Kondou, Ryuuen Kou
  • Publication number: 20140358382
    Abstract: An operation control system for a mining machine includes, based on travel path information including at least information on moisture content of a travel path on which a mining machine operating at a mine runs, and position information being information on a position of a travel path corresponding to the travel path information, generating speed limit information for changing a speed limit for the mining machine to run on the travel path corresponding to the travel path information.
    Type: Application
    Filed: November 14, 2012
    Publication date: December 4, 2014
    Applicant: KOMATSU LTD.
    Inventors: Ryuuen Kou, Masanori Tojima, Tomonori Ozaki