Patents by Inventor Isao Toku

Isao Toku 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: 11869355
    Abstract: A management system of a work site in which an unmanned vehicle and a manned vehicle operate in a mixed manner includes: a determination unit that determines whether or not the manned vehicle exists in a predetermined area of the work site; and a command unit that outputs a work command to cause the unmanned vehicle or the manned vehicle to travel to a work point set in a work place based on the determination result.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: January 9, 2024
    Assignee: Komatsu Ltd.
    Inventors: Takashi Hiranaka, Isao Toku
  • Publication number: 20230229169
    Abstract: An unmanned vehicle control method for setting a permitted area where traveling is permitted for each unmanned vehicle, the unmanned vehicle control method includes: acquiring unmanned vehicle data including position data of the unmanned vehicle; acquiring road surface condition data of a travel path on which the unmanned vehicle travels; and generating data including a permitted area in the travel path of the unmanned vehicle, a stop point in the permitted area, and a target traveling speed for the unmanned vehicle to stop at the stop point on a basis of the unmanned vehicle data that has been acquired, wherein the permitted area is set on a basis of the road surface condition data of a predetermined area including the stop point.
    Type: Application
    Filed: May 10, 2021
    Publication date: July 20, 2023
    Applicant: Komatsu Ltd.
    Inventors: Kenta Osagawa, Isao Toku
  • Publication number: 20220198927
    Abstract: A management system of a work site in which an unmanned vehicle and a manned vehicle operate in a mixed manner includes: a determination unit that determines whether or not the manned vehicle exists in a predetermined area of the work site; and a command unit that outputs a work command to cause the unmanned vehicle or the manned vehicle to travel to a work point set in a work place based on the determination result.
    Type: Application
    Filed: April 2, 2020
    Publication date: June 23, 2022
    Applicant: Komatsu Ltd.
    Inventors: Takashi Hiranaka, Isao Toku
  • Patent number: 10635112
    Abstract: A control system for a work vehicle includes a course data generation unit that generates a traveling condition including a traveling route of the work vehicle in a workplace, a service area setting unit that sets a service area which is an area where the work vehicle is serviceable, a passage area setting unit that sets a passage area having a predetermined width along the traveling route generated by the course data generation unit, and an update data generation unit that generates update data for service area data obtained by expanding the service area when the passage area is present on an outer side of the service area.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: April 28, 2020
    Assignee: KOMATSU LTD
    Inventors: Yuji Kobashi, Kenta Osagawa, Isao Toku, Tomonori Ozaki
  • Patent number: 10591917
    Abstract: A work machine management apparatus includes: a switchback point setting unit configured to set a plurality of switchback points of a work machine in a work place of a mine; a work point setting unit configured to set at least one work point of the work machine in the work place; a travel track generating unit configured to generate a plurality of target travel tracks along which the work machine travels in the work place based on a position of the at least one work point and a position of each of the plurality of switchback points; and a travel track selecting unit configured to select, among the plurality of target travel tracks, a target travel track along which the work machine travels in the work place.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: March 17, 2020
    Assignee: Komatsu Ltd.
    Inventors: Yosuke Kadono, Takashi Hiranaka, Isao Toku, Kenta Osagawa, Takashi Yamamoto
  • Patent number: 10394250
    Abstract: A work machine management apparatus includes: a switchback point setting unit configured to set at least one switchback point of a work machine in a work place of a mine; a work point setting unit configured to set a plurality of work points of the work machine; a travel track generating unit configured to generate, based on a position of each of the plurality of work points and a position of the at least one switchback point in a loading place, a plurality of target travel tracks along which the work machine travels in the work place; and a travel track selecting unit configured to select, among the plurality of target travel tracks, a target travel track along which the work machine travels in the work place.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: August 27, 2019
    Assignee: Komatsu Ltd.
    Inventors: Yosuke Kadono, Takashi Hiranaka, Isao Toku, Kenta Osagawa, Takashi Yamamoto
  • Publication number: 20190033873
    Abstract: A work machine management apparatus includes: a switchback point setting unit configured to set a plurality of switchback points of a work machine in a work place of a mine; a work point setting unit configured to set at least one work point of the work machine in the work place; a travel track generating unit configured to generate a plurality of target travel tracks along which the work machine travels in the work place based on a position of the at least one work point and a position of each of the plurality of switchback points; and a travel track selecting unit configured to select, among the plurality of target travel tracks, a target travel track along which the work machine travels in the work place.
    Type: Application
    Filed: September 28, 2018
    Publication date: January 31, 2019
    Inventors: Yosuke Kadono, Takashi Hiranaka, Isao Toku, Kenta Osagawa, Takashi Yamamoto
  • Patent number: 10108196
    Abstract: A work machine management apparatus includes: a switchback point setting unit configured to set a plurality of switchback points of a work machine in a work place of a mine; a work point setting unit configured to set at least one work point of the work machine in the work place; a travel track generating unit configured to generate a plurality of target travel tracks along which the work machine travels in the work place based on a position of the at least one work point and a position of each of the plurality of switchback points; and a travel track selecting unit configured to select, among the plurality of target travel tracks, a target travel track along which the work machine travels in the work place.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: October 23, 2018
    Assignee: Komatsu Ltd.
    Inventors: Yosuke Kadono, Takashi Hiranaka, Isao Toku, Kenta Osagawa, Takashi Yamamoto
  • Publication number: 20180284784
    Abstract: A control system for a work vehicle includes a course data generation unit that generates a traveling condition including a traveling route of the work vehicle in a workplace, a service area setting unit that sets a service area which is an area where the work vehicle is serviceable, a passage area setting unit that sets a passage area having a predetermined width along the traveling route generated by the course data generation unit, and an update data generation unit that generates update data for service area data obtained by expanding the service area when the passage area is present on an outer side of the service area.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 4, 2018
    Inventors: Yuji Kobashi, Kenta Osagawa, Isao Toku, Tomonori Ozaki
  • Publication number: 20170315553
    Abstract: A work machine management apparatus includes: a switchback point setting unit configured to set a plurality of switchback points of a work machine in a work place of a mine; a work point setting unit configured to set at least one work point of the work machine in the work place; a travel track generating unit configured to generate a plurality of target travel tracks along which the work machine travels in the work place based on a position of the at least one work point and a position of each of the plurality of switchback points; and a travel track selecting unit configured to select, among the plurality of target travel tracks, a target travel track along which the work machine travels in the work place.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 2, 2017
    Inventors: Yosuke Kadono, Takashi Hiranaka, Isao Toku, Kenta Osagawa, Takashi Yamamoto
  • Publication number: 20170315561
    Abstract: A work machine management apparatus includes: a switchback point setting unit configured to set at least one switchback point of a work machine in a work place of a mine; a work point setting unit configured to set a plurality of work points of the work machine; a travel track generating unit configured to generate, based on a position of each of the plurality of work points and a position of the at least one switchback point in a loading place, a plurality of target travel tracks along which the work machine travels in the work place; and a travel track selecting unit configured to select, among the plurality of target travel tracks, a target travel track along which the work machine travels in the work place.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 2, 2017
    Inventors: Yosuke Kadono, Takashi Hiranaka, Isao Toku, Kenta Osagawa, Takashi Yamamoto