Patents by Inventor Kazuo Sakaguchi

Kazuo Sakaguchi 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: 10875404
    Abstract: A work vehicle includes a display, communication circuitry, and circuitry. The display is to display information. The communication circuitry is configured to communicate with a cooperative work vehicle that is configured to work cooperatively with the work vehicle. The circuitry is configured to acquire from the cooperative work vehicle through the communication circuitry traveling work parameters manually set via operation tools provided on an operation panel in the cooperative work vehicle. The circuitry is configured to display in the display a setting confirmation screen based on the traveling work parameters acquired through the communication circuitry, the setting confirmation screen showing the operation panel in the cooperative work vehicle.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: December 29, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Atsushi Shinkai, Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa
  • Publication number: 20200375084
    Abstract: A slip determination system is provided that is capable of providing appropriate control information to a traveling vehicle when the traveling vehicle has proceeded to an area where a slip is likely to occur during automatic travel.
    Type: Application
    Filed: December 10, 2018
    Publication date: December 3, 2020
    Inventors: Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Tetsuya Nakajima, Takashi Nakabayashi, Satoshi Maruo, Kazuhiro Takahara
  • Publication number: 20200359547
    Abstract: The present disclosure includes a travel operation unit that is configured to be manually operated and includes a mode operation tool for switching between automatic driving and manual driving, a manual travel control unit that includes a manual travel mode in which manual driving is performed based an operation signal received from the travel operation unit, and an automatic travel control unit that includes an automatic travel mode in which automatic driving is performed, a temporary stop mode in which a vehicle body is temporarily stopped during automatic driving for transitioning from the automatic travel mode to the manual travel mode, and a check mode in which whether a state of the travel operation unit satisfies a manual driving transition condition required for starting manual driving is checked in transition from the temporary stop mode to the manual travel mode.
    Type: Application
    Filed: November 16, 2018
    Publication date: November 19, 2020
    Inventors: Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Takashi Nakabayashi, Sotaro Hayashi, Masayuki Horiuchi, Mitsuhiro Seki, Kyosuke Yamaoka, Satoshi Maruo
  • Publication number: 20200359549
    Abstract: An automatic steering system for a work vehicle includes: a steering travel apparatus for performing leftward turning based on a leftward steering amount with respect to a straight-forward direction and performing rightward turning based on a rightward steering amount with respect to a neutral position; a subject vehicle location calculator for calculating a location of a subject vehicle; a locational shifting calculator for calculating locational shifting from the travel route and the location of the subject vehicle; a vehicle body direction calculator for calculating a vehicle body direction that indicates a direction of a vehicle body; a directional shifting calculator for calculating directional shifting from the travel route and the vehicle body direction; a steering amount calculator for calculating a first steering amount, which is a steering amount for correcting the locational shifting and the directional shifting, based on the locational shifting and the directional shifting; and a steering amount l
    Type: Application
    Filed: November 16, 2018
    Publication date: November 19, 2020
    Inventors: Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Satoshi Maruo, Takashi Nakabayashi, Tetsuya Nakajima
  • Patent number: 10813267
    Abstract: A control apparatus for an automatic traveling vehicle includes a position sensor and circuitry. The position sensor is to detect a vehicle position of the automatic traveling vehicle. The circuitry is configured to control the automatic traveling vehicle to travel along a first route, a first turn route connected to the first route, a straight route connected to the first turn route, a second turn route connected to the straight route, and a second route connected to the second turn route in this order, and to calculate the straight route extending from a reference point on the first turn route to the second turn route such that the straight route is tangent to the second turn route.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: October 27, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Atsushi Shinkai, Kazuo Sakaguchi, Kotaro Yamaguchi, Hiroki Suga
  • Publication number: 20200331347
    Abstract: A harvester includes: a crop tank that stores a crop harvested by a harvesting device; a weight detection unit that detects a storage weight, which is a value indicating the weight of the crop stored in the crop tank; a maximum weight calculation unit that calculates a maximum weight, which is a value indicating the weight of the crop at the maximum storage amount of the crop tank; a unit harvest weight calculation unit calculates a unit harvest weight that indicates the weight of the crop harvested per unit of harvest-travel distance; and a maximum travel distance calculation unit that calculates a maximum travel distance, which is the maximum distance that can be traveled during traveling harvesting before the amount of the crop stored in the crop tank reaches the maximum storage amount, based on the storage weight, the maximum weight, and the unit harvest weight.
    Type: Application
    Filed: November 22, 2018
    Publication date: October 22, 2020
    Inventors: Kazuo Sakaguchi, Tomohiko Sano, Osamu Yoshida, Satoshi Maruo, Takashi Nakabayashi
  • Publication number: 20200334766
    Abstract: An agricultural field management system includes a first sensor to generate first field work data indicating field conditions of an agricultural field and a second sensor to generate second field work data indicating crop conditions. A computer includes a memory configured to store a field database in which data are segmented by: a field map layer in which field shape data defining a shape of an agricultural field are stored; a first field work layer in which the first field work data are stored; and a second field work layer in which the second field work data are stored. The agricultural field is divided into common field blocks in the field map layer, in the first field work layer, and in the second field work layer such that the field conditions in the common field blocks are annually correlated with the crop conditions in the common field blocks, respectively.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 22, 2020
    Applicant: KUBOTA CORPORATION
    Inventors: Hiroyuki ARAKI, Yasushi WATABE, Kazuo SAKAGUCHI, Kazuki AOTA
  • Patent number: 10782132
    Abstract: A division map creation system includes circuitry and a memory. The circuitry is configured to acquire work field information including a shape of a work field and a position of the work field and to acquire travel routes based on the work field information. Each of work vehicles is configured to travel along each of the travel routes in the work field. The circuitry is configured to divide the work field into a plurality of sections in order to create division maps based on a travel direction in which each of the work vehicles travels along each of the travel routes and based on a work width within which each of the work vehicles works while travelling in the work field. The memory is to store the division maps such that each of the division maps corresponds to each of the work vehicles.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 22, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Megumi Suzukawa, Kazuo Sakaguchi, Atsushi Shinkai
  • Patent number: 10753747
    Abstract: A work vehicle includes a memory, a sensor, circuitry, and a display. The memory is to store a target travel route in a work field. The sensor is to detect an actual travel track of the work vehicle to find a traveled portion of the target travel route, along which the work vehicle has traveled. The circuitry is configured to calculate an index value indicating a degree of a deviation of the actual travel track from the target travel route. The display is to display the traveled portion such that a display pattern to display the traveled portion is changed according to the index value.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: August 25, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa, Atsushi Shinkai
  • Patent number: 10754342
    Abstract: A work vehicle support system includes: an own vehicle position detecting module configured to detect an own vehicle position of a work vehicle; and a work-unfinished region outer-shape map calculating section configured to calculate, during circulating work-traveling along an outer perimeter of a work scheduled region, an outer-shape map of a work-unfinished region in the work scheduled region, from own vehicle position data acquired by the own vehicle position detecting module.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: August 25, 2020
    Assignee: Kubota Corporation
    Inventors: Sakura Tomita, Yuki Kubota, Chiaki Komaru, Kazuo Sakaguchi, Shigeki Hayashi, Tetsuya Nakajima, Tomohiko Sano
  • Patent number: 10736256
    Abstract: A work vehicle includes a touch-panel display, at least one first physical button, and the circuitry. The touch-panel display is to display at least one first touch button, at least one first function, and work information. The at least one function is displayed in the at least one first touch button to which the at least one first function is assigned. The work information includes a state of work which the work vehicle performs. The at least one first physical button is provided outside the touch-panel display. The at least one first function is assigned to the at least one first physical button. The circuitry is configured to change the at least one first function assigned to the at least one first touch button and the at least one first physical button in accordance with the work information.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: August 11, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa, Atsushi Shinkai
  • Patent number: 10732628
    Abstract: A sensor management device includes first circuitry and second circuitry. The first circuitry is configured to output an instruction to position a target obstacle on a detectable region of at least one obstacle sensor provided on a work vehicle to detect an obstacle. The second circuitry is configured to determine, based on an output of the at least one obstacle sensor with respect to the target obstacle, whether the at least one obstacle sensor works normally.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: August 4, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa, Atsushi Shinkai
  • Patent number: 10660255
    Abstract: A travel control apparatus for a work vehicle includes a display and circuitry. The display is to display a position of the work vehicle. The circuitry is configured to display in the display a guide index via which the work vehicle is manually guided to an automatic-travel permitted area in which the work vehicle is configured to automatically travel, and to determine whether or not the work vehicle is located in the automatic-travel permitted area.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: May 26, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Atsushi Shinkai, Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa
  • Patent number: 10598505
    Abstract: A travel route generation apparatus includes a work field data input interface, a handwriting input interface, a memory, and circuitry. Work field data are to be input via the work field data input interface. The work field data includes data regarding a shape of a work field in which a work vehicle is to work. A handwriting locus is to be input via the handwriting input interface. The memory is to store travel route patterns. The circuitry is configured to select a designated travel route pattern from travel route patterns based on the handwriting locus and to generate, based on the designated travel route pattern and the work field data, a travel route along which the work vehicle is to travel in the work field.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: March 24, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Kazuo Sakaguchi, Megumi Suzukawa, Sakura Tomita, Yuji Okuyama
  • Publication number: 20200064863
    Abstract: A work vehicle automatic traveling system includes a route element selecting unit that, on the basis of state information, sequentially selects a next travel route element on which a work vehicle is to travel next, from a travel route element set and a circling route element set. The route element selecting unit includes a cooperative route element selection rule, which is employed when a plurality of work vehicles carry out work travel cooperatively in an area CA to be worked, and an independent route element selection rule, which is employed when a single independent work vehicle among the work vehicles carries out work travel independently in the area CA to be worked. When the independent work vehicle is carrying out independent work travel in the area CA to be worked, and a work vehicle aside from the host vehicle is carrying out circling travel based on the circling route element or is stopped, the next travel route element is selected on the basis of the independent route element selection rule.
    Type: Application
    Filed: November 29, 2017
    Publication date: February 27, 2020
    Inventors: Sakura Tomita, Tomohiko Sano, Kazuo Sakaguchi, Tetsuya Nakajima, Makoto Oshitani, Kenichi Iwami, Osamu Yoshida
  • Publication number: 20200064144
    Abstract: A travel route management system includes an area setting unit that sets a work site to an outer peripheral area SA and an area CA to be worked on an inner side of the outer peripheral area SA, and a route element selecting unit that sequentially selects a next travel route element to be traveled on next, from among multiple mutually-parallel travel route elements, the travel route elements constituting a travel route that covers the area CA to be worked. The route element selecting unit selects a U-turn travel route for moving from a travel route element serving as a movement origin to a next travel route element serving as a movement destination, the selection being made on the basis of an interval between the movement origin and the movement destination.
    Type: Application
    Filed: November 29, 2017
    Publication date: February 27, 2020
    Inventors: Sakura Tomita, Tomohiko Sano, Kazuo Sakaguchi, Tetsuya Nakajima, Makoto Oshitani, Kenichi Iwami, Osamu Yoshida
  • Publication number: 20200062266
    Abstract: An operation support system for a working machine includes a biological condition detector device to detect vital data of an operator, the biological condition detector device being attached to the operator, a relating portion to relate the biological condition detector device to the working machine configured to travel, an abnormality detector to detect, from the vital data, abnormality of the operator to which the biological condition detector device related to the working machine is attached, and a stopping controller to stop the working machine related to the biological condition detector device when the abnormality detector detects the abnormality of the operator, the biological condition detector device being attached to the operator.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Applicant: KUBOTA CORPORATION
    Inventors: Kazuo SAKAGUCHI, Naohiro SAIJO, Yasuhiro NISHIDA
  • Publication number: 20190384321
    Abstract: A work vehicle includes: an electronic control system for automatic driving; and a cabin with which a boarding space is formed. The electronic control system includes an antenna unit for satellite navigation, and the antenna unit is attached to a central area of a roof of the cabin in a left-right direction. An upper surface of an area of the roof around the antenna unit is formed so as to be an inclined surface that is inclined in a front-rear direction. Left and right end portions of the roof are provided with left and right bulging edge portions that bulge upward from the left and right end portions and have a length that spans between front and rear ends of the roof, and water drain grooves that guide water on the roof toward the left and right bulging edge portions such that water detours the antenna unit.
    Type: Application
    Filed: December 21, 2017
    Publication date: December 19, 2019
    Applicant: KUBOTA CORPORATION
    Inventors: Keishiro NISHI, Atsushi SHINKAI, Tomofumi FUKUNAGA, Takahiro NAKATSUKA, Yushi MATSUZAKI, Kazuo SAKAGUCHI, Takafumi MORISHITA
  • Patent number: 10407097
    Abstract: An automatic traveling work vehicle includes a memory to store work traveling information including information on work which a work device is configured to perform and on a state of a work field in which the automatic traveling work vehicle is configured to automatically travel along a target travel route. Circuitry is configured to calculate a vehicle position of the automatic traveling work vehicle, to calculate a track deviation of a vehicle body from the target travel route based on the target travel route and the vehicle position, to calculate a steering sensitivity based on at least one of the information on the work and the information on the state of the work field, and to calculate, based on the track deviation and the steering sensitivity, a steering control amount according to which the steering is controlled.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 10, 2019
    Assignee: KUBOTA CORPORATION
    Inventors: Kazuo Sakaguchi, Kotaro Yamaguchi, Hiroki Suga, Atsushi Shinkai
  • Patent number: 10395447
    Abstract: To properly manage data collected by a data collection device even when the data collection device is attached to an agricultural machine different from a specified agricultural machine.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: August 27, 2019
    Assignee: KUBOTA CORPORATION
    Inventors: Keisuke Miura, Isao Tanaka, Kazuo Sakaguchi, Yoshito Hayakawa, Takafumi Morishita