Patents by Inventor Kohei MATSUURA

Kohei MATSUURA 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: 11131351
    Abstract: This clutch control device includes an engine (13), a transmission gear (21), a clutch device (26), a clutch actuator (50), a control unit (60), a clutch operator (4b), and a clutch operation amount sensor (4c), wherein the control unit (60) is configured to enable intervention of a manual clutch operation according to the clutch operator (4b) during automatic control of the clutch device (26) according to the clutch actuator (50), and the control unit (60) is configured to set a control target value of a clutch capacity to a connection lower limit target value (Px) acquired by changing an operation target value (Pv) corresponding to an amount of operation of the clutch operator (4b) to a clutch disconnection side in a case in which the amount of operation of the clutch operator (4b) based on an output value of the clutch operation amount sensor (4c) reaches a predetermined value (?2) set in advance at a time of performing a clutch disconnection operation through the intervention of the manual clutch operatio
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: September 28, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Junya Ono, Tatsuya Ryuzaki, Go Morita, Kohei Matsuura
  • Publication number: 20210277966
    Abstract: This clutch control device includes an engine (13), a transmission (21), a clutch device (26) configured to connect and disconnect motive power transmission between the engine (13) and the transmission (21), a clutch actuator (50) configured to drive the clutch device (26) and change a clutch capacity, and a control unit (60) configured to calculate a target value (Pt) of a control parameter (Ps) for the clutch capacity. When the target value (Pt) of the control parameter (Ps) immediately after system startup is defined as a first control target value (P1) and the target value (Pt) of the control parameter (Ps) during a clutch stroke at the time of the system startup is defined as a second control target value (P2), the control unit (60) is configured to set the first control target value (P1) to a value greater than the second control target value (P2).
    Type: Application
    Filed: June 6, 2019
    Publication date: September 9, 2021
    Inventors: Kohei Matsuura, Junya Ono, Tatsuya Ryuzaki
  • Patent number: 11097365
    Abstract: The wire electric discharge machining device includes a wire bobbin configured to wind and hold a wire electrode, a wire delivery roller configured to draw the wire electrode from the wire bobbin and deliver the wire electrode continuously toward a work-piece, a brake motor configured to apply a load to the wire bobbin in a direction against the drawing of the wire electrode, rotation speed detector configured to detect a rotation speed of the wire bobbin, an emptiness determination device configured to determine that the wire bobbin reaches an empty state based on a rapid change in the rotation speed of the wire bobbin detected by the rotation speed detector, and a drive control part configured to stop the drive of the wire delivery roller when the emptiness determination device determines that the wire bobbin reaches the empty state.
    Type: Grant
    Filed: January 19, 2019
    Date of Patent: August 24, 2021
    Assignee: Sodick Co., Ltd.
    Inventors: Masashi Sakaguchi, Kohei Matsuura, Hirotoshi Inoue
  • Patent number: 11101648
    Abstract: A power supply system includes a main line, a plurality of sweep modules, and a control unit. Each sweep module includes a battery module and a power circuit module. The power circuit module switches between connection and disconnection between the battery module and the main line. The control unit executes sweep control for sequentially switching the battery modules which are to be connected to the main line. The control unit maintains connection of a refreshing module which is to be subjected to refreshing charging/discharging to the main line while sweep control is being executed in a state in which the refreshing module is excluded in at least one of outputting of electric power to the outside and inputting of electric power from the outside.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: August 24, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni Yasoshima, Junta Izumi, Kenji Kimura, Toshihiro Katsuda, Kohei Matsuura, Junichi Matsumoto, Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Kyosuke Tanemura, Kazuo Ootsuka, Takayuki Ban, Hironobu Nishi
  • Publication number: 20210215209
    Abstract: This clutch control device includes an engine (13), a transmission (21), a clutch device (26) configured to connect and disconnect motive power transmission between the engine (13) and the transmission (21), a clutch actuator (50) configured to drive the clutch device (26) and change a clutch capacity, a clutch operating element (4b) configured to enable the clutch device (26) to be manually operated, and a control unit (60) configured to calculate a target value (Pt) of a control parameter (Ps) of the clutch capacity in accordance with an amount of operation on the clutch operating element (4b).
    Type: Application
    Filed: June 7, 2019
    Publication date: July 15, 2021
    Inventors: Kohei Matsuura, Junya Ono, Tatsuya Ryuzaki, Go Morita
  • Patent number: 11050247
    Abstract: The present teaching provides a power supply system capable of fully utilizing a plurality of batteries having different performances. A power supply system disclosed here includes a main line, a plurality of sweep modules, and a controller. Each of the sweep modules includes a battery module and an electric power circuit module. The electric power circuit module includes a switching device for connecting a connection state between the battery modules and the main line between connection and disconnection. The controller performs sweep control of sequentially switching the battery module connected to the main line among the plurality of battery modules. During an input of electric power from outside, the controller disconnects the battery module whose SOC level satisfies a high SOC condition from the main line (S7), and continues sweep control (S8, S9).
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: June 29, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni Yasoshima, Junta Izumi, Kenji Kimura, Toshihiro Katsuda, Kohei Matsuura, Junichi Matsumoto, Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Kyosuke Tanemura, Kazuo Ootsuka, Takayuki Ban, Hironobu Nishi
  • Patent number: 10985606
    Abstract: A power supply system disclosed here is connected to an electric power system through a distribution device. The power supply system includes a plurality of strings connected to the distribution device and a failure detector. The failure detector of the power supply system is configured to perform a first process of connecting at least one battery module to a main line to set a voltage detected by a string voltage detector at a voltage higher than a predetermined voltage in a state where a switch disconnects the distribution device and the main line, a second process of sending a disconnecting signal for disconnecting all the sweep modules from the main line, and a third process of determining whether the voltage detected by the string voltage detector is lower than the predetermined determination voltage or not after the second process.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: April 20, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni Yasoshima, Junta Izumi, Kenji Kimura, Toshihiro Katsuda, Kohei Matsuura, Junichi Matsumoto, Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Kyosuke Tanemura, Kazuo Ootsuka, Takayuki Ban, Hironobu Nishi
  • Patent number: 10965150
    Abstract: The present teaching provides a power supply system capable of appropriately performing replacement or repairing of a component of a module where a problem occurs without stopping the entire operation, in a case where the problem occurs in of the module in a plurality of modules. The power supply system includes a plurality of sweep modules, a problem detector, an indicator, and a controller. Each sweep module includes a battery module and an electric power circuit module. The problem detector detects a problem for each sweep module. The indicator indicates a sweep module in which a problem is detected. In a case where a problem is detected in the sweep module (S4: YES), the controller causes the indicator to indicate a failure sweep module in which the problem is detected (S5). The controller disconnects the failure sweep module from a main line, and continues sweep control (S6 through S8).
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: March 30, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni Yasoshima, Junta Izumi, Kenji Kimura, Toshihiro Katsuda, Kohei Matsuura, Junichi Matsumoto, Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Kyosuke Tanemura, Kazuo Ootsuka, Takayuki Ban, Hironobu Nishi
  • Publication number: 20210088088
    Abstract: This clutch control device includes an engine (13), a transmission gear (21), a clutch device (26), a clutch actuator (50), a control unit (60), a clutch operator (4b), and a clutch operation amount sensor (4c), wherein the control unit (60) is configured to enable intervention of a manual clutch operation according to the clutch operator (4b) during automatic control of the clutch device (26) according to the clutch actuator (50), and the control unit (60) is configured to set a control target value of a clutch capacity to a connection lower limit target value (Px) acquired by changing an operation target value (Pv) corresponding to an amount of operation of the clutch operator (4b) to a clutch disconnection side in a case in which the amount of operation of the clutch operator (4b) based on an output value of the clutch operation amount sensor (4c) reaches a predetermined value (?2) set in advance at a time of performing a clutch disconnection operation through the intervention of the manual clutch operatio
    Type: Application
    Filed: August 9, 2018
    Publication date: March 25, 2021
    Inventors: Junya Ono, Tatsuya Ryuzaki, Go Morita, Kohei Matsuura
  • Patent number: 10944262
    Abstract: A control device of a power supply system includes a stopping process unit. The stopping process unit is configured to operate a switching element when connection between a power system and a main line is cut off by a system breaker and to perform a stopping process of sequentially switching battery modules which are connected to the main line such that the number of battery modules which are connected to the main line decreases gradually.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 9, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni Yasoshima, Junta Izumi, Kenji Kimura, Toshihiro Katsuda, Kohei Matsuura, Junichi Matsumoto, Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Kyosuke Tanemura, Kazuo Ootsuka, Takayuki Ban, Hironobu Nishi
  • Patent number: 10876583
    Abstract: A clutch control device includes an engine, a gearbox, a clutch device configured to disconnect and connect power transmission between the engine and the gearbox, a clutch actuator configured to drive the clutch device and vary a clutch capacity, an engine rotational number sensor configured to detect an engine rotational number, a throttle opening angle sensor configured to detect a throttle opening angle, and a controller configured to calculate a control target value of the clutch capacity, wherein the controller calculates an estimated engine torque and causes the clutch device to change a slip clutch capacity according to the estimated engine torque.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: December 29, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tatsuya Ryuzaki, Go Morita, Junya Ono, Kohei Matsuura
  • Patent number: 10851855
    Abstract: A clutch control device includes an ECU that controls a clutch actuator, the ECU sets a control target value of the clutch capacity according to the operation amount detected by the clutch operation amount sensor, and executes feedback control so that the control parameter which is detected by the control parameter sensor approaches the control target value, and changes a method of the feedback control when the control parameter reaches a predetermined control state change determination value during the feedback control.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: December 1, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kohei Matsuura, Junya Ono, Tatsuya Ryuzaki, Go Morita
  • Publication number: 20200332844
    Abstract: This clutch control device includes an engine (13), a transmission gear (21), a clutch device (26), a clutch actuator (50), a control unit (60), a control parameter sensor (58), a clutch operator (4b), and a clutch operation amount sensor (4c), wherein the control unit (60) is configured to enable intervention of a manual clutch operation according to the clutch operator (4b) during automatic control of the clutch device (26) according to the clutch actuator (50), and the control unit (60) is configured to set a control target value of a clutch capacity to a connection preparation target value (Py) acquired by causing an operation target value (Pv) corresponding to an amount of operation of the clutch operator (4b) to approach a disconnection determination value (Pz) in a case in which a control parameter detected by the control parameter sensor (58) reaches the disconnection determination value (Pz) set in advance at a time of performing a clutch disconnection operation through intervention of the manual clu
    Type: Application
    Filed: August 9, 2018
    Publication date: October 22, 2020
    Inventors: Junya Ono, Tatsuya Ryuzaki, Go Morita, Kohei Matsuura
  • Patent number: 10760628
    Abstract: A clutch control device includes a clutch device that disconnects and connects a power transmission between an engine and a gearbox, a clutch actuator that drives the clutch device and changes a clutch capacity, an ECU that calculates a control target value of the clutch capacity, a clutch lever that manually operates the clutch device, and a clutch lever operation amount sensor that converts an operation amount of the clutch lever into an electrical signal, wherein the ECU calculates a clutch operation speed on the basis of the operation amount detected by the clutch lever operation amount sensor, and changes a disconnection and connection speed of the clutch device according to the clutch operation speed.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: September 1, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kohei Matsuura, Junya Ono, Tatsuya Ryuzaki, Go Morita
  • Patent number: 10723866
    Abstract: A rubber composition according to an embodiment includes: a rubber component comprising diene rubber; and fine particles which are formed of a specific polymer and have a glass transition point of ?70° C. to 0° C. The fine particles are fine particles formed of a (meth)acrylate polymer having a constitutional unit represented by formula (1) or formed of a polymer having a constitutional unit represented by formula (4). In formula (1), R1 represents a hydrogen atom or a methyl group, and R2 represents an alkyl group having 4 to 18 carbon atoms. In formula (4), at least one of R11, R12, R13, R14, R15, and R16 represents an aliphatic hydrocarbon group having 3 to 8 carbon atoms, and the remainder represents a hydrogen atom or an aliphatic hydrocarbon group having 1 or 2 carbon atoms.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: July 28, 2020
    Assignee: TOYO TIRE CORPORATION
    Inventors: Satoshi Fukunishi, Takashi Yuri, Kohei Matsuura, Sho Taniguchi
  • Publication number: 20200176983
    Abstract: A control device of a power supply system includes a first processing unit and a second processing unit. The first processing unit is a processing unit configured to perform a first process of determining certain strings out of a plurality of strings connected in parallel to a power distribution device. The second processing unit is a processing unit configured to perform a second process of performing inputting of electric power to the plurality of strings connected in parallel to the power distribution device or outputting of electric power from the plurality of strings to the power distribution device using at least the certain strings determined by the first processing unit.
    Type: Application
    Filed: November 22, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200177018
    Abstract: A control device of a power supply system is configured to control inputting of electric power from a power system connected to a power distribution device to a plurality of strings connected to the power distribution device and outputting of electric power from the plurality of strings to the power system and to execute a process of stopping control for switching the at least one switching element between connection and disconnection on a string in which inputting of electric power and outputting of electric power are stopped out of the plurality of strings.
    Type: Application
    Filed: November 13, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200176982
    Abstract: A control device of a power supply system includes a stopping process unit. The stopping process unit is configured to operate a switching element when connection between a power system and a main line is cut off by a system breaker and to perform a stopping process of sequentially switching battery modules which are connected to the main line such that the number of battery modules which are connected to the main line decreases gradually.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta Izumi, Kenji Kimura, Toshihiro Katsuda, Kohei Matsuura, Junichi Matsumoto, Shuji Tomura, Shigeaki Goto, Naoki Yanagizawa, Kyosuke Tanemura, Kazuo Ootsuka, Takayuki Ban, Hironobu Nishi
  • Publication number: 20200177019
    Abstract: A power supply system disclosed here is connected to an electric power system through a distribution device. The power supply system includes a plurality of strings connected to the distribution device and a failure detector. The failure detector of the power supply system is configured to perform a first process of connecting at least one battery module to a main line to set a voltage detected by a string voltage detector at a voltage higher than a predetermined voltage in a state where a switch disconnects the distribution device and the main line, a second process of sending a disconnecting signal for disconnecting all the sweep modules from the main line, and a third process of determining whether the voltage detected by the string voltage detector is lower than the predetermined determination voltage or not after the second process.
    Type: Application
    Filed: November 18, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI
  • Publication number: 20200177178
    Abstract: A power supply system includes a plurality of sweep modules that is connected to a main line. Each sweep module includes a switching element that switches between connection and disconnection between a battery module and the main line and is formed of a MOSFET. A failure detecting device of the power supply system includes a temperature detecting unit configured to detect temperatures of the plurality of sweep modules and a failure determining unit configured to determine whether a difference between a temperature of one sweep module selected from the plurality of sweep modules and a reference temperature which is determined based on the temperatures of other sweep modules is greater than a predetermined threshold value.
    Type: Application
    Filed: November 15, 2019
    Publication date: June 4, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Juni YASOSHIMA, Junta IZUMI, Kenji KIMURA, Toshihiro KATSUDA, Kohei MATSUURA, Junichi MATSUMOTO, Shuji TOMURA, Shigeaki GOTO, Naoki YANAGIZAWA, Kyosuke TANEMURA, Kazuo OOTSUKA, Takayuki BAN, Hironobu NISHI