Patents by Inventor Takashi Hiranaka

Takashi Hiranaka 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).

  • Publication number: 20240126301
    Abstract: An unmanned vehicle management system includes: a traveling area definition unit that defines a traveling area on a traveling path of a work site; and a determination unit that determines whether or not an unmanned vehicle can enter the traveling area on the basis of a vehicle width indicating the width of the unmanned vehicle and a track width indicating the width of the traveling area.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 18, 2024
    Applicants: Komatsu Ltd., Komatsu Ltd.
    Inventors: Takashi Yamamoto, Takashi Hiranaka, Kenta Osagawa
  • Patent number: 11940802
    Abstract: A system for managing a work site includes: an identification unit that identifies a discharging position of a manned vehicle in the work site where an unmanned vehicle and the manned vehicle operate in a mixed manner; and an operation control unit that controls operation of the unmanned vehicle based on the discharging position.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: March 26, 2024
    Assignee: Komatsu Ltd.
    Inventor: Takashi Hiranaka
  • Publication number: 20240075928
    Abstract: An unmanned vehicle management system includes: an inter-vehicle distance determination unit that determines an inter-vehicle distance between a sprinkling vehicle and an unmanned vehicle traveling behind the sprinkling vehicle in a same direction as that of the sprinkling vehicle based on a sprinkling state from a sprinkling spray provided in the sprinkling vehicle traveling in a work site; and an output unit that outputs, to the unmanned vehicle, inter-vehicle distance data indicating the inter-vehicle distance determined by the inter-vehicle distance determination unit.
    Type: Application
    Filed: January 5, 2022
    Publication date: March 7, 2024
    Applicant: Komatsu Ltd.
    Inventors: Kazuma Takeda, Takashi Hiranaka, Kenta Osagawa
  • Publication number: 20240068187
    Abstract: A sprinkling vehicle control system includes a travel control unit that switches a traveling direction of a sprinkling vehicle, and a sprinkling control unit that controls a first sprinkling spray provided at a first portion on one side in the traveling direction in the sprinkling vehicle. The sprinkling control unit controls the first sprinkling spray such that a sprinkling condition of the first sprinkling spray when the sprinkling vehicle travels to one side in the traveling direction is different from a sprinkling condition of the first sprinkling spray when the sprinkling vehicle travels to the other side in the traveling direction.
    Type: Application
    Filed: November 30, 2021
    Publication date: February 29, 2024
    Applicant: Komatsu Ltd.
    Inventors: Misato Maeda, Takashi Hiranaka, Kenta Osagawa
  • Publication number: 20240059314
    Abstract: An unmanned vehicle management system includes: a traffic congestion prediction unit that predicts occurrence of a traffic congestion from travel situations of a plurality of unmanned vehicles traveling on a travel path at a work site; and a guidance command unit that, when occurrence of a traffic congestion is predicted, outputs a first guidance command so that an unmanned vehicle that causes the traffic congestion enters a side path branching from the travel path.
    Type: Application
    Filed: December 28, 2021
    Publication date: February 22, 2024
    Applicant: Komatsu Ltd.
    Inventors: Yasuyuki Yamada, Takashi Hiranaka, Kenta Osagawa
  • Publication number: 20240016138
    Abstract: An unmanned vehicle management system includes: a protection area setting unit that sets a protection area where entry of an unmanned vehicle traveling around a sprinkler vehicle is prohibited on the basis of a sprinkling state of a sprinkle spray provided in the sprinkler vehicle moving at a work site; and an output unit that outputs the protection area set by the protection area setting unit.
    Type: Application
    Filed: January 20, 2022
    Publication date: January 18, 2024
    Applicant: Komatsu Ltd.
    Inventors: Kazuma Takeda, Takashi Hiranaka, Kenta Osagawa
  • 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: 20230339510
    Abstract: A management system for an autonomous travel vehicle includes: a work machine position acquisition unit that acquires a position of a work machine operated by an operator and having a travel device; and a target position determination unit that determines a target position of the autonomous travel vehicle based on the position of the work machine.
    Type: Application
    Filed: April 19, 2023
    Publication date: October 26, 2023
    Applicants: Komatsu Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Hiranaka, Shota Konishi, Takahiro Okano, Toru Takashima, Shun Mizoo, Shun Maruyama
  • Publication number: 20230341858
    Abstract: A work site management system includes: a traveling path generation unit that generates a traveling path; and a protection area setting unit that sets, for a target vehicle, a protection area in which entry of a second unmanned vehicle is prohibited based on a position of a first unmanned vehicle traveling in a work site along the traveling path.
    Type: Application
    Filed: April 19, 2023
    Publication date: October 26, 2023
    Applicants: Komatsu Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Hiranaka, Shota Konishi, Toru Takashima, Shun Mizoo, Shun Maruyama, Takahiro Okano
  • Publication number: 20230341857
    Abstract: A work site management system includes: a traveling path generation unit that generates a traveling path; and a protection area setting unit that sets a protection area in which a target vehicle is to be present based on a position of a first unmanned vehicle traveling in a work site along the traveling path.
    Type: Application
    Filed: April 18, 2023
    Publication date: October 26, 2023
    Applicants: Komatsu Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Hiranaka, Shota Konishi, Shun Mizoo, Shun Maruyama, Takahiro Okano, Toru Takashima
  • Publication number: 20230339466
    Abstract: A control system for an autonomous travel vehicle includes: a work machine position acquisition unit that acquires a position of a work machine; an autonomous travel vehicle position acquisition unit that acquires a position of the autonomous travel vehicle; a human information acquisition unit that acquires human information indicating whether or not a person is present inside the autonomous travel vehicle; and a command generation unit that changes control of the autonomous travel vehicle based on the human information and a positional relationship between the work machine and the autonomous travel vehicle.
    Type: Application
    Filed: April 17, 2023
    Publication date: October 26, 2023
    Applicants: Komatsu Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Hiranaka, Shota Konishi, Toru Takashima, Shun Mizoo, Shun Maruyama, Takahiro Okano
  • Publication number: 20230341872
    Abstract: A management system of a work site includes: a priority storage unit that stores priority related to traveling continuation of an unmanned vehicle traveling in the work site; an input signal acquisition unit that acquires an input signal related to traveling stop of the unmanned vehicle; a decision unit that decides the traveling continuation or the traveling stop for each of a plurality of the unmanned vehicles traveling in the work site based on the priority and the input signal; and an output unit that outputs a traveling stop command to the unmanned vehicle for which the traveling stop is decided.
    Type: Application
    Filed: April 20, 2023
    Publication date: October 26, 2023
    Applicants: Komatsu Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Takashi Hiranaka, Shota Konishi, Shun Maruyama, Takahiro Okano, Toru Takashima, Shun Mizoo
  • Publication number: 20230266761
    Abstract: A haul vehicle management system includes: a three-dimensional data acquisition unit that acquires three-dimensional data outside an outline of a traveling area where a haul vehicle can travel; and a course data generation unit that generates a traveling course of the haul vehicle on the basis of outer shape data of the haul vehicle and the three-dimensional data, the traveling course being set in the traveling area.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 24, 2023
    Applicant: Komatsu Ltd.
    Inventors: Takashi Hiranaka, Atsushi Sakai, Yuji Kobashi, Kenta Osagawa
  • Patent number: 11687085
    Abstract: An unmanned vehicle management device includes an upper limit speed storage unit that stores an upper limit of a traveling speed of an unmanned vehicle on a downhill set based on an inclination angle of the downhill, an input speed acquisition unit that acquires an input value input by an input device, and an output control unit that causes an output device to output upper limit speed data indicating a relationship between the inclination angle and the upper limit, and input speed data generated based on the input value.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: June 27, 2023
    Assignee: Komatsu Ltd.
    Inventors: Yuji Kobashi, Hiroshi Fuji, Takashi Hiranaka
  • 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
  • Publication number: 20220187835
    Abstract: A system for managing a work site includes: an identification unit that identifies a discharging position of a manned vehicle in the work site where an unmanned vehicle and the manned vehicle operate in a mixed manner; and an operation control unit that controls operation of the unmanned vehicle based on the discharging position.
    Type: Application
    Filed: May 26, 2020
    Publication date: June 16, 2022
    Applicant: Komatsu Ltd.
    Inventor: Takashi Hiranaka
  • Publication number: 20220148424
    Abstract: A management system of a work site includes a command unit that outputs a work command to an unmanned vehicle and a manned vehicle based on input data from a work machine operating at a work site in which the unmanned vehicle and the manned vehicle operate in a mixed manner.
    Type: Application
    Filed: April 2, 2020
    Publication date: May 12, 2022
    Applicant: Komatsu Ltd.
    Inventors: Takashi Hiranaka, Kenta Osagawa
  • Publication number: 20220144163
    Abstract: A work site management system includes: a travel course data acquisition unit that acquires travel course data of an unmanned vehicle which includes course type data indicating a type of an intersection at a work site where the unmanned vehicle travels; and a turn signal control unit that determines whether to normally operate or non-normally operate a direction indicator of the unmanned vehicle based on the course type data.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 12, 2022
    Applicant: Komatsu Ltd.
    Inventors: Takashi Yamamoto, Takashi Hiranaka, Kenta Osagawa
  • Publication number: 20220114510
    Abstract: A work site management system includes: an entry-prohibited area setting unit that sets an entry-prohibited area to prohibit an entry of a manned transport vehicle at a discharging site in a work site; and a notification unit that notifies the manned transport vehicle of the entry-prohibited area.
    Type: Application
    Filed: March 16, 2020
    Publication date: April 14, 2022
    Applicant: Komatsu Ltd.
    Inventors: Takashi Hiranaka, Kenta Osagawa
  • Publication number: 20200249686
    Abstract: An unmanned vehicle management device includes an upper limit speed storage unit that stores an upper limit of a traveling speed of an unmanned vehicle on a downhill set based on an inclination angle of the downhill, an input speed acquisition unit that acquires an input value input by an input device, and an output control unit that causes an output device to output upper limit speed data indicating a relationship between the inclination angle and the upper limit, and input speed data generated based on the input value.
    Type: Application
    Filed: December 7, 2018
    Publication date: August 6, 2020
    Inventors: Yuji Kobashi, Hiroshi Fuji, Takashi Hiranaka