Patents by Inventor Hideaki Yamato

Hideaki Yamato 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: 11707850
    Abstract: An objective of the present invention is to reduce the downtime which occurs when changing a servo motor device. A servo motor device includes a motor section and a reduction gear configured to output a driving force by reducing a speed of rotation of the motor section, wherein a control device includes a detecting section configured to acquire detected information about operation of the motor section, and a computing section configured to generate an approximate curve based on a behavior for a time sequence of a parameter and to calculate predicted lifetime information of the servo motor device based on the approximate curve thus generated, wherein the parameter has been calculated by means of the detected information.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: July 25, 2023
    Assignees: Futaba Corporation, Chiba Institute of Technology
    Inventors: Shotaro Kudo, Yasuyuki Suzuki, Toru Kono, Ryosei Kuramoto, Hidetoshi Muramatsu, Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato
  • Patent number: 11409306
    Abstract: Provided is a movement robot configured so that various types of operation can be executed according to motion of other objects or a movement body and a utilization area can be expanded accordingly. The movement robot includes a robot body 1, a control unit 2, a traveling unit 3, and a detection unit 4.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: August 9, 2022
    Assignee: CHIBA INSTITUTE OF TECHNOLOGY
    Inventors: Masahiro Tomono, Kiyoshi Irie, Hideaki Yamato, Masaharu Shimizu, Shunji Yamanaka, Takayuki Furuta
  • Publication number: 20220113732
    Abstract: Provided are an information processing apparatus and a mobile robot configured so that influence of a change in the posture of a mobile body can be reduced and the accuracy of measurement of a distance to a target object can be improved. A mobile robot 1 includes a control section 2 configured to drivably control each unit of a robot body 1A, a detection section 3 configured to detect a target object around the robot body 1A, and a mobile section 4 configured to move the robot body 1A. The detection section 3 includes first distance sensors 31 configured to detect distances to first positions P1 on a floor surface F in a movement direction D1 of the robot body 1A and second distance sensors 32 configured to detect distances to second positions P2.
    Type: Application
    Filed: September 25, 2018
    Publication date: April 14, 2022
    Inventors: Tomoaki YOSHIDA, Takayuki FURUTA, Hideaki YAMATO, Kiyoshi IRIE, Takaaki MATSUZAWA, Masaharu SHIMIZU
  • Publication number: 20220083067
    Abstract: A mobile robot 1 includes: a control means 2 for controlling the drive of each unit of a robot body 1A; a detection means 3 for detecting a target object around the robot body 1A; and a travel means 4 for moving the robot body 1A. The control means 2 determines a change in the environment by: obtaining two first measurement value groups S11 and S12 obtained by detecting the distances to different positions P1 and P2 in an environment at intervals of a predetermined time with the travel of the mobile robot 1; and processing the first measurement value groups, generating two second measurement value groups S21 and S22 according to the travel distance of the mobile robot 1, and comparing the generated second measurement value groups S21 and S22.
    Type: Application
    Filed: December 17, 2018
    Publication date: March 17, 2022
    Inventors: Tomoaki YOSHIDA, Takayuki FURUTA, Hideaki YAMATO, Kiyoshi IRIE, Takaaki MATSUZAWA, Masaharu SHIMIZU
  • Publication number: 20220024049
    Abstract: An objective of the present invention is to reduce the downtime which occurs when changing a servo motor device. A servo motor device includes a motor section and a reduction gear configured to output a driving force by reducing a speed of rotation of the motor section, wherein a control device includes a detecting section configured to acquire detected information about operation of the motor section, and a computing section configured to generate an approximate curve based on a behavior for a time sequence of a parameter and to calculate predicted lifetime information of the servo motor device based on the approximate curve thus generated, wherein the parameter has been calculated by means of the detected information.
    Type: Application
    Filed: July 26, 2021
    Publication date: January 27, 2022
    Inventors: Shotaro KUDO, Yasuyuki SUZUKI, Toru KONO, Ryosei KURAMOTO, Hidetoshi MURAMATSU, Takayuki FURUTA, Masaharu SHIMIZU, Hideaki YAMATO
  • Publication number: 20210370498
    Abstract: The present invention provides a main body with a coupling section, wherein the circuit board includes terminals for power supply and for signal, wherein the coupling section has a first positioning section and a second positioning section, and wherein the assembly is configured so that in a state where positioning has been performed by the first positioning section, positioning by the second positioning section is performed and the coupling section is coupled to another coupling section of another main body. Thus, coupling the coupling section is performed in the state where positioning has been performed, wherein connection of the terminals for power supply and for signal to power supply and signal terminal sections is performed in this state, which may enable the operability for coupling a coupling section to be improved while ensuring a mechanically and electrically correct coupled state.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Inventors: Shotaro KUDO, Yasuyuki SUZUKI, Toru KONO, Ryosei KURAMOTO, Hidetoshi MURAMATSU, Takayuki FURUTA, Masaharu SHIMIZU, Hideaki YAMATO, Yuu OKUMURA
  • Publication number: 20210365040
    Abstract: Provided is a movement robot configured so that various types of operation can be executed according to motion of other objects or a movement body and a utilization area can be expanded accordingly. The movement robot includes a robot body 1, a control unit 2, a traveling unit 3, and a detection unit 4.
    Type: Application
    Filed: August 14, 2018
    Publication date: November 25, 2021
    Inventors: Masahiro TOMONO, Kiyoshi IRIE, Hideaki YAMATO, Masaharu SHIMIZU, Shunji YAMANAKA, Takayuki FURUTA
  • Publication number: 20210137342
    Abstract: Provided is a self-propelled vacuum configured so that obstacle avoidance operation can be efficiently performed and cleaning time can be shortened. A self-propelled vacuum 1 includes a laser range finder (LRF) 20 configured to sense the periphery of a vacuum body 2, and an up-down drive unit 22 configured to move the LRF 20 up and down between a protrusion position above the vacuum body 2 and a housing position in the vacuum body 2. The up-down drive unit 22 is driven to move the LRF 20 up and down.
    Type: Application
    Filed: June 7, 2017
    Publication date: May 13, 2021
    Inventors: Takayuki FURUTA, Masahiro TOMONO, Hideaki YAMATO, Tomoaki YOSHIDA, Masaharu SHIMIZU, Yu OKUMURA, Kengo TODA, Takashi KODACHI, Kiyoshi IRIE, Yoshitaka HARA, Kazuki OGIHARA
  • Patent number: 10883572
    Abstract: A cycloid speed reducer has a housing for accommodating a piece of equipment. Outer pins in meshing engagement with cycloid gears of a reduction gear portion are incorporated into the housing as a sliding bearing. A lubrication ring for lubricating the outer pins is slidably incorporated into the housing. The outer pins are lubricated by the outer pin lubricating ring. Inner pins are lubricated by a lubricating ring. The pair of cycloid gears are lubricated via the outer pins and the inner pins. As a result, friction between components is reduced, whereby frictional resistance decreases and durability is enhanced. In addition, the cycloid speed reducer can be manufactured as a small, compact unit.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: January 5, 2021
    Assignees: NIPPON THOMPSON CO., LTD., CHIBA INSTITUTE OF TECHNOLOGY
    Inventors: Satoshi Sasaki, Hideaki Yamato, Takayuki Furuta
  • Publication number: 20200405110
    Abstract: An autonomous vacuum cleaner is provided which can clean efficiently around a vacuum cleaner body. An autonomous vacuum cleaner (1) includes a vacuum cleaner body (2) having a wheel (121) for travelling autonomously, a surroundings sensor (32) for detecting an obstacle around the vacuum cleaner body (2), a pivoting cleaner (3) that can clean around the vacuum cleaner body (2), and a controller (5) that controls the surroundings sensor (32) and the pivoting cleaner (3). The pivoting cleaner (3) includes an arm (21) that protrudes outward from the vacuum cleaner body (2), a motor (22) that drives the arm (21), and a load sensor (23) that detects a load acting on the arm (21) from the outside. The motor (22) is controlled and driven on the basis of the presence or absence of an obstacle detected by the surroundings sensor (32), and travel of the vacuum cleaner body (2) is controlled on the basis of a load detected by the load sensor (23).
    Type: Application
    Filed: September 4, 2017
    Publication date: December 31, 2020
    Inventors: Takayuki FURUTA, Masahiro TOMONO, Hideaki YAMATO, Tomoaki YOSHIDA, Masaharu SHIMIZU, Yu OKUMURA, Kengo TODA, Takashi KODACHI, Kiyoshi IRIE, Yoshitaka HARA, Kazuki OGIHARA
  • Publication number: 20200405115
    Abstract: An autonomous vacuum cleaner is provided which can promote reductions in size and load by simplifying the structure of a surrounding cleaning means. An autonomous vacuum cleaner (1) includes a vacuum cleaner body (2) having a wheel (121) for travelling autonomously, and a pivoting cleaner (3) that can vacuum and clean around the vacuum cleaner body (2). The pivoting cleaner (3) is configured including: an arm (21) that can pivot outward from the vacuum cleaner body (2); a vacuum inlet (74) that is provided to the arm (21) to suck up dirt and the like on the floor surface; a rotation support (61, 144) configured to rotatably support the arm (21) on the vacuum cleaner body (2); and a vacuum channel (66) that is provided along a rotation axis of the rotation support (61, 144) to cause the inside of the arm (21) and a sub-duct (143) to communicate with each other.
    Type: Application
    Filed: September 4, 2017
    Publication date: December 31, 2020
    Inventors: Takayuki FURUTA, Masahiro TOMONO, Hideaki YAMATO, Tomoaki YOSHIDA, Masaharu SHIMIZU, Yu OKUMURA, Kengo TODA, Takashi KODACHI, Kiyoshi IRIE, Yoshitaka HARA, Kazuki OGIHARA
  • Publication number: 20200345191
    Abstract: An autonomous vacuum cleaner is provided which allows a user to check the operating state of a vacuum cleaner body and a map to be created, and can increase cleaning efficiency. An autonomous vacuum cleaner (1) includes a vacuum cleaner body (2) and a mobile terminal (6). Whenever the vacuum cleaner body 2 acquires surrounding information and location information while travelling autonomously, a map creator (471) creates a map of a cleaning target space including the vacuum cleaner body (2) in real time, and a map display (61) of the mobile terminal (6) displays the map.
    Type: Application
    Filed: November 16, 2017
    Publication date: November 5, 2020
    Inventors: Takayuki FURUTA, Masahiro TOMONO, Hideaki YAMATO, Tomoaki YOSHIDA, Masaharu SHIMIZU, Yu OKUMURA, Kengo TODA, Takashi KODACHI, Kiyoshi IRIE, Yoshitaka HARA, Kazuki OGIHARA
  • Publication number: 20200275815
    Abstract: An autonomous vacuum cleaner that can reduce the footprint in a standby state is provided. An autonomous vacuum cleaner (1) includes a vacuum cleaner body (2) and a charging station (6). The charging station (6) has a hook (64) that latches a latched member (16) provided to a rear side of the vacuum cleaner body (2), and a lift driver (61) that raises and lowers the hook (64), and is configured to be capable of storing the vacuum cleaner body (2) in a standing state where the vacuum cleaner body (2) is hoisted and the rear side is oriented upward.
    Type: Application
    Filed: September 13, 2017
    Publication date: September 3, 2020
    Inventors: Takayuki FURUTA, Masahiro TOMONO, Hideaki YAMATO, Tomoaki YOSHIDA, Masaharu SHIMIZU, Yu OKUMURA, Kengo TODA, Takashi KODACHI, Kiyoshi IRIE, Yoshitaka HARA, Kazuki OGIHARA
  • Publication number: 20200245837
    Abstract: An autonomous vacuum cleaner is provided which can accurately acquire surrounding information related to target objects in the surroundings. An autonomous vacuum cleaner (1) includes: a vacuum cleaner body (2); a front sensor (31) configured to detect a target object at a far distance from the vacuum cleaner body (2); and a contact sensor (32) configured to detect a target object at a near distance from the vacuum cleaner body (2). A controller (5) is configured including a surrounding information generator (45) configured to generate surrounding information related to target objects around the vacuum cleaner body (2), on the basis of far information detected by the front sensor (31) and near information detected by the contact sensor (32).
    Type: Application
    Filed: October 13, 2017
    Publication date: August 6, 2020
    Inventors: Takayuki FURUTA, Masahiro TOMONO, Hideaki YAMATO, Tomoaki YOSHIDA, Masaharu SHIMIZU, Yu OKUMURA, Kengo TODA, Takashi KODACHI, Kiyoshi IRIE, Yoshitaka HARA, Kazuki OGIHARA
  • Publication number: 20200089249
    Abstract: Provided is a self-propelled vacuum configured so that depending on an obstacle, the self-propelled vacuum can move over the obstacle without performing avoidance operation to shorten cleaning time. A self-propelled vacuum 1 includes a vacuum body 2, a suction unit 5 for sucking dust and the like on a floor surface F, a traveling drive unit 4 configured to drive wheels 21, a front sensor 51 configured to sense an obstacle S in the front in a traveling direction, and a vehicle height adjustment unit 6 configured to move the wheels 21 up and down to adjust the vehicle height of the vacuum body 2. In a case where the traveling drive unit 4 is driven and the front sensor 51 senses the obstacle S during self-propelling, the vehicle height adjustment unit 6 increases the vehicle height to a predetermined height, and thereafter, the self-propelled vacuum 1 moves over the obstacle S while the vehicle height is being adjusted such that a distance to the obstacle S is held within a predetermined range.
    Type: Application
    Filed: June 7, 2017
    Publication date: March 19, 2020
    Inventors: Takayuki FURUTA, Masahiro TOMONO, Hideaki YAMATO, Tomoaki YOSHIDA, Masaharu SHIMIZU, Yu OKUMURA, Kengo TODA, Takashi KODACHI, Kiyoshi IRIE, Yoshitaka HARA, Kazuki OGIHARA
  • Publication number: 20190285143
    Abstract: A cycloid speed reducer has a housing for accommodating a piece of equipment. Outer pins in meshing engagement with cycloid gears of a reduction gear portion are incorporated into the housing as a sliding bearing. A lubrication ring for lubricating the outer pins is slidably incorporated into the housing. The outer pins are lubricated by the outer pin lubricating ring. Inner pins are lubricated by a lubricating ring. The pair of cycloid gears are lubricated via the outer pins and the inner pins. As a result, friction between components is reduced, whereby frictional resistance decreases and durability is enhanced. In addition, the cycloid speed reducer can be manufactured as a small, compact unit.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 19, 2019
    Inventors: Satoshi SASAKI, Hideaki YAMATO, Takayuki FURUTA
  • Patent number: 9636265
    Abstract: A single passenger carrying mobile robot, includes a single operated member that is operated by a passenger to instruct both a moving direction and a moving speed of the passenger carrying mobile robot, a moving member configured to move the passenger carrying mobile robot and a controller configured to control the moving member based on input information input to the operated member by the passenger, wherein the passenger carrying mobile robot further includes a sensor that acquires obstacle information of a surrounding of the passenger carrying mobile robot, and the controller predicts an expected course of the passenger carrying mobile robot based on the input information and determines based on the obstacle information whether or not an obstacle is located in the expected course, and changes a control of the moving member when determining that the obstacle is located.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: May 2, 2017
    Assignees: Chiba Institute Of Technology, Aisin Seiki Kabushiki Kaisha
    Inventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Kengo Toda, Takashi Kodachi, Mitsuhiro Ando, Noboru Nagamine, Seongjun Yang, Hirotoshi Ochiai, Wataru Takayanagi
  • Publication number: 20150245962
    Abstract: A single passenger carrying mobile robot, includes a single operated member that is operated by a passenger to instruct both a moving direction and a moving speed of the passenger carrying mobile robot, a moving member configured to move the passenger carrying mobile robot and a controller configured to control the moving member based on input information input to the operated member by the passenger, wherein the passenger carrying mobile robot further includes a sensor that acquires obstacle information of a surrounding of the passenger carrying mobile robot, and the controller predicts an expected course of the passenger carrying mobile robot based on the input information and determines based on the obstacle information whether or not an obstacle is located in the expected course, and changes a control of the moving member when determining that the obstacle is located.
    Type: Application
    Filed: March 2, 2015
    Publication date: September 3, 2015
    Inventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Kengo Toda, Takashi Kodachi, Mitsuhiro Ando, Noboru Nagamine, Seongjun Yang, Hirotoshi Ochiai, Wataru Takayanagi
  • Patent number: 8561734
    Abstract: A car having a rotatable wheel, the car being able to run by rotating the wheel, the car having a leg used by the car for walking, and an attitude stabilization section for stabilizing an attitude of the car.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: October 22, 2013
    Assignee: Chiba Institute of Technology
    Inventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo
  • Patent number: 8544572
    Abstract: A car having a rotatable wheel, the car being able to run by rotating the wheel, the car having a leg used by the car for walking, and an attitude stabilization section for stabilizing an attitude of the car.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: October 1, 2013
    Assignee: Chiba Institute of Technology
    Inventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo