Patents by Inventor Kenji Shibata

Kenji Shibata 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: 20230215670
    Abstract: An input device configured to more accurately detect movement of an operation part is provided. An input device includes a fixed electrode, a reference electrode, an operation part, and a moving electrode. The fixed electrode and the reference electrode are separate from each other on a substrate. The operation part is movable with respect to the substrate. The moving electrode faces the fixed electrode and is configured to move together with the operation part. The moving electrode 15 moves together with the operation part to enter either a connected state of being electrically connected to the reference electrode or a non-connected state of not being electrically connected to the reference electrode.
    Type: Application
    Filed: March 16, 2021
    Publication date: July 6, 2023
    Inventors: Satoshi YOSHIHARA, Kota ARAKI, Hiroaki NISHIONO, Kenji SHIBATA
  • Publication number: 20230216430
    Abstract: A device includes a battery module, and an inverter configured to convert a DC voltage output from the battery module into an AC voltage. The battery module includes battery cells connected in series, and a state detection unit configured to detect a state of each battery cell of the battery cells. An output voltage of the battery cells is input to the inverter without being stepped up. At least some battery cells of the battery cells are reused battery cells. The electrical storage device includes a switching unit configured to connect/disconnect an electrical connection between the battery cells and the inverter. The switching unit is controlled into a disconnected state when a voltage of the battery cells or the DC voltage on an input side of the inverter exceeds a threshold.
    Type: Application
    Filed: March 14, 2023
    Publication date: July 6, 2023
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Kenji Shibata, Yasuhiro Nakada
  • Publication number: 20230202553
    Abstract: A steer-by-wire rudder system includes a first system having a first motor unit that drives a rudder mechanism and a first control unit that controls the first motor unit, and a second system having a second motor unit that drives the rudder mechanism and a second control unit that controls the second motor unit. The first control unit and the second control unit perform cooperative control for controlling the first motor unit and the second control unit to cooperate with each other. When the cooperative control is not performed, one of the control of the first motor unit by the first control unit and the control of the second motor unit by the second control unit continues, and the other thereof stops.
    Type: Application
    Filed: February 22, 2023
    Publication date: June 29, 2023
    Inventors: KURUMI TAZUKE, HIROKI TOMIZAWA, HISASHI KAMEYA, TOSHIMITSU SAKAI, MASAHARU YAMASHITA, KENJI SHIBATA, YOSUKE YAMASHITA, SHINTARO TAKAYAMA, TOSHIHIRO TAKAHASHI, YUJI FUJITA, KENICHI ABE, YUGO NAGASHIMA
  • Publication number: 20230170166
    Abstract: An input device is provided which is configured such that no matter which position on an operation surface is pushed, the detection sensitivity of the pushing load is suppressed from varying due to different operation positions on the operation surface. An input device includes a first pressing member, a second pressing member, and a substrate. The first pressing member has an operation surface and a first axis and is tiltable around the first axis by the operation surface being pushed. The second pressing member has a second shaft and is tiltable around the second shaft by being pushed by a tilt of the first pressing member. The substrate includes at least one pressure sensor which is to be pushed by the second pressing member. A position of the first axis in the first pressing member is variable in accordance with a pushed position on the operation surface.
    Type: Application
    Filed: March 16, 2021
    Publication date: June 1, 2023
    Inventors: Satoshi YOSHIHARA, Kota ARAKI, Hiroaki NISHIONO, Kenji SHIBATA
  • Patent number: 11661107
    Abstract: A steering control device includes control circuitry configured to perform synchronization control.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: May 30, 2023
    Assignee: JTEKT CORPORATION
    Inventors: Yoshiyuki Uchino, Yusuke Kakimoto, Koji Anraku, Isao Namikawa, Kenji Shibata, Takafumi Sato
  • Publication number: 20230142065
    Abstract: There is provided a piezoelectric stack, including: a substrate; an output-side bottom electrode film on the substrate; an output-side piezoelectric film, being an oxide film, on the output-side bottom electrode film; an output-side top electrode film on the output-side piezoelectric film; an input-side bottom electrode film on the substrate; an input-side piezoelectric film, being a nitride film, on the input-side bottom electrode film; an input-side top electrode film on the input-side piezoelectric film; and an ultrasonic output part and ultrasonic input part placed in such a manner as not overlapping each other when viewed from a top surface of the substrate, the ultrasonic output part comprising a stacked part of the output-side bottom electrode film, the output-side piezoelectric film, and the output-side top electrode film, the ultrasonic input part comprising a stacked part of the input-side bottom electrode film, the input-side piezoelectric film, and the input-side top electrode film.
    Type: Application
    Filed: February 24, 2021
    Publication date: May 11, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Toshiaki KURODA, Kenji SHIBATA, Kazutoshi WATANABE, Takeshi KIMURA
  • Publication number: 20230135208
    Abstract: A piezoelectric stack, including: a substrate; an electrode film; and a piezoelectric film comprising an alkali niobium oxide of a perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1), wherein an average light transmittance through the piezoelectric film in a wavelength region of visible light and near-infrared ray is 65% or more.
    Type: Application
    Filed: November 14, 2019
    Publication date: May 4, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji SHIBATA, Kazutoshi WATANABE, Fumimasa HORIKIRI
  • Publication number: 20230125769
    Abstract: A control device includes control circuits of a plurality of systems. When a transition condition is established, the control circuits of the systems make transition of a driving mode from a first driving mode to a second driving mode, and when a return condition is established in a state in which the driving mode has transitioned to the second driving mode, the control circuits of the systems make transition of the driving mode from the second driving mode to the first driving mode while gradually changing the current command values of the control circuits’ own systems toward the current command values before the adjustment.
    Type: Application
    Filed: October 24, 2022
    Publication date: April 27, 2023
    Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Kazuma HASEGAWA, Yuji FUJITA, Takashi KODERA, Isao NAMIKAWA, Atsushi ISHIHARA, Masaharu YAMASHITA, Kenji SHIBATA, Yuko GOTO, Hiroki TOMIZAWA, Nobuyori NAKAJIMA
  • Publication number: 20230115136
    Abstract: There is provided a laminated substrate having a piezoelectric film, including: a substrate; and a piezoelectric film provided on the substrate interposing a base film, wherein the piezoelectric film has an alkali niobium oxide based perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1) and preferentially oriented in (001) plane direction, and a sound speed of the piezoelectric film is 5100 m/s or more.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 13, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji SHIBATA, Kazutoshi WATANABE, Fumimasa HORIKIRI
  • Publication number: 20230108688
    Abstract: A grinder including a motor, a switch operated ON and OFF in accordance with an operation of a switch lever to control a rotation of an output shaft of the motor, a spindle that rotates in accordance with the rotation of the output shaft to rotate a disk-shaped grinding wheel and a brake mechanism controllable with respect to a brake plate that integrally rotates with the output shaft, in a housing, the brake plate includes fins.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 6, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Kenji SHIBATA, Masanori FURUSAWA
  • Publication number: 20230033288
    Abstract: A steering control device includes a base axial force calculator, a limiting axial force calculator, and a final axial force calculator. The limiting axial force calculator includes a steering angle holder, a reference angle calculator, a final difference calculator, and an axial force calculator. The steering angle holder is configured to hold a steering angle at the time of limiting a turning operation of the turning wheels when the turning operation is limited. The reference angle calculator is configured to calculate a reference angle. The final difference calculator is configured to calculate a final difference which is a final difference between the reference angle and the current steering angle. The axial force calculator is configured to calculate a limiting axial force based on a value of the final difference.
    Type: Application
    Filed: July 25, 2022
    Publication date: February 2, 2023
    Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi MATSUDA, Isao NAMIKAWA, Koji ANRAKU, Tomoyuki IIDA, Masaharu YAMASHITA, Kenji SHIBATA
  • Patent number: 11557713
    Abstract: There is provided a laminated substrate having a piezoelectric film, including: a substrate; and a piezoelectric film provided on the substrate interposing a base film, wherein the piezoelectric film has an alkali niobium oxide based perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1) and preferentially oriented in (001) plane direction, and a sound speed of the piezoelectric film is 5100 m/s or more.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: January 17, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji Shibata, Kazutoshi Watanabe, Fumimasa Horikiri
  • Patent number: 11554460
    Abstract: A grinder including a motor, a switch operated ON and OFF in accordance with an operation of a switch lever to control a rotation of an output shaft of the motor, a spindle that rotates in accordance with the rotation of the output shaft to rotate a disk-shaped grinding wheel and a brake mechanism controllable with respect to a brake plate that integrally rotates with the output shaft, in a housing, the brake plate includes fins.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: January 17, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Kenji Shibata, Masanori Furusawa
  • Publication number: 20230011119
    Abstract: A steering control device controls, as a target, a steering device including a steering actuator and a turning actuator that has a structure with a power transmission path cut off from the steering actuator, and can reflect a state of an automated driving command. A control unit is configured to execute: turning-side synchronization control when the absolute value of a deviation amount is a value within a first range; steering-side synchronization control when the absolute value of the deviation mount is a value within a second range that is a larger value than a value within the first range; and at least one of the turning-side synchronization control and the steering-side synchronization control when the absolute value of the deviation amount is a value within a third range that is a value between a value within the first range and a value within the second range.
    Type: Application
    Filed: June 1, 2022
    Publication date: January 12, 2023
    Applicant: JTEKT CORPORATION
    Inventors: Yoshiyuki UCHINO, Isao NAMIKAWA, Takashi KODERA, Kenji SHIBATA, Takafumi SATO
  • Publication number: 20220388569
    Abstract: A steering control device controls, as a target, a steering device including a steering actuator and a turning actuator that has a structure with a power transmission path cut off from the steering actuator. The steering control device includes a control unit. The control unit is configured to execute; turning-side synchronization control when the absolute value of a deviation amount is a value within a first range; steering-side synchronization control when the absolute value of the deviation mount is a value within a second range that is a larger value than a value within the first range; and at least one of the turning-side synchronization control and the steering-side synchronization control when the absolute value of the deviation amount is a value within a third range that is a value between a value within the first range and a value within the second range.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 8, 2022
    Applicant: JTEKT CORPORATION
    Inventors: Yoshiyuki UCHINO, Isao NAMIKAWA, Kenji SHIBATA, Takafumi SATO
  • Patent number: 11505242
    Abstract: A steering system of a vehicle, including an operation member to be operated by a driver, a steering device configured to steer a wheel, and a controller configured to control the steering system, wherein the controller is configured to parallelly execute a main process including a process in which the controller controls the steering device to perform steering in accordance with an operation of the operation member and an auxiliary process relating to an operation of the steering system and configured to change an execution ratio of the main process and an execution ratio of the auxiliary process.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: November 22, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahiro Okano, Kenji Shibata, Takenari Yamaguchi
  • Patent number: 11472478
    Abstract: A steering system of a vehicle, including an operation member to be operated by a driver, a steering device configured to steer a wheel, and a controller configured to control the steering system, wherein the controller is configured to parallelly execute a main process including a process in which the controller controls the steering device to perform steering of the wheel in accordance with an operation of the operation member and an auxiliary process relating to an operation of the steering system and configured to decrease an execution ratio of the main process and increase an execution ratio of the auxiliary process when a condition that a running speed of the vehicle is not lower than a threshold speed is satisfied.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: October 18, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kenji Shibata, Takahiro Okano, Takenari Yamaguchi
  • Publication number: 20220258794
    Abstract: Control calculation units of a back system in each actuator operate by a collaborative drive mode in which a torque is output to a motor drive unit by using an information transmitted and received mutually by a communication between the systems in common. Cooperative control calculation units in a reaction force actuator and a turning actuator can operate in cooperation with each other based on the information transmitted and received mutually by a communication between actuators. A communication between adjacent systems and a communication between adjacent actuators are restored, when a focus control calculation unit is restored, after the focus control calculation unit is stopped during operation and at least one of the communication between adjacent systems or the communication between adjacent actuators is interrupted.
    Type: Application
    Filed: May 5, 2022
    Publication date: August 18, 2022
    Inventors: AKIRA TAKESAKI, HISASHI KAMEYA, HIROKI TOMIZAWA, MASAHARU YAMASHITA, KENJI SHIBATA, YOSUKE YAMASHITA, SHINTARO TAKAYAMA, TOSHIHIRO TAKAHASHI, YUJI FUJITA, KENICHI ABE, YUGO NAGASHIMA
  • Publication number: 20220261116
    Abstract: Provided are: a plurality of transmitting electrodes each extending in a first direction and spaced apart in a second direction orthogonal to the first direction; a plurality of receiving electrodes each extending in the second direction and spaced apart in the first direction; a plurality of first wires each electrically connected to one corresponding transmitting electrode included in the plurality of transmitting electrodes; and a plurality of second wires each electrically connected to one corresponding receiving electrode included in the plurality of receiving electrodes. The shortest transmitting electrode disposed at an end and the shortest receiving electrode disposed at an end do not overlap with each other in plan view.
    Type: Application
    Filed: July 16, 2020
    Publication date: August 18, 2022
    Inventors: TSUTOMU YAHAGI, KEISHU MURAOKA, KENJI SHIBATA
  • Publication number: 20220255473
    Abstract: A first actuator and a second actuator each have a plurality of control calculation units provided redundantly and a plurality of motor drive units provided redundantly. In the first and the second actuators, the control calculation units of the systems paired with each other transmit and receive information to and from each other by a communication between the actuators. When a failure occurs in any system in either of the two actuators, or when a failure occurs in a communication between actuators in either system, the control calculation unit of each actuator of the system in which the failure occurred stops the motor drive control. Then, the motor drive control is continued by the control calculation unit of the normal system in both actuators.
    Type: Application
    Filed: April 26, 2022
    Publication date: August 11, 2022
    Inventors: HIROKI TOMIZAWA, MASAHARU YAMASHITA, KENJI SHIBATA, YOSUKE YAMASHITA, SHOJI KUBOTA, YUGO NAGASHIMA, YUJI FUJITA, KENICHI ABE