Patents by Inventor Shogo Miyazaki
Shogo Miyazaki 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: 12110651Abstract: A work machine includes a boom, a work tool configured to drive with respect to the boom, an actuator configured to drive the work tool, a sub-link attached to the boom, and a control section. The sub-link is configured to transmit driving force of the actuator to the work tool. The control section is configured to control the actuator based on a posture of the sub-link with respect to the boom. A method of controlling a work machine includes controlling an actuator based on a posture of a sub-link with respect to a boom, the sub-link being configured to transmit driving force of the actuator to a work tool configured to drive with respect to the boom.Type: GrantFiled: March 18, 2020Date of Patent: October 8, 2024Assignee: KOMATSU LTD.Inventors: Shota Yamawaki, Shogo Miyazaki
-
Patent number: 12107462Abstract: A power supply circuit includes a first and second circuits connected to a first and second phase windings of a rotary electric machine, respectively. The first circuit includes first to fourth arms and a first switch. The midpoints of the first and second arms are connected to respective ends of a first winding unit, the midpoints of the third and fourth arms are connected to respective ends of a second winding unit, and the first switch is connected between the midpoints of the second and third arms. The second circuit includes fifth to eighth arms and a second switch. The midpoints of fifth and sixth arms are connected to respective ends of a third winding unit, the midpoints of seventh and eighth arms are connected to respective ends of a fourth winding unit, and the second switch is connected between the midpoints of the sixth and seventh arm.Type: GrantFiled: September 15, 2022Date of Patent: October 1, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Yoshihisa Kubota, Shogo Miyazaki, Satoyoshi Oya, Takumi Todoroki
-
Patent number: 12077522Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.Type: GrantFiled: June 27, 2019Date of Patent: September 3, 2024Assignee: Takeda Pharmaceutical Company LimitedInventors: Tatsuhiko Fujimoto, Koichiro Fukuda, Hiromichi Sugimoto, Kentaro Rikimaru, Yoshihiro Banno, Takahiro Matsumoto, Norihito Tokunaga, Yoshihide Tomata, Yuji Ishichi, Shogo Marui, Tsuneo Oda, Tohru Miyazaki, Yasutaka Hoashi, Yasushi Hattori, Yuichi Kajita, Yuhei Miyanohana, Tatsuki Koike
-
Publication number: 20240195254Abstract: An electric motor stator includes a stator core in a tubular shape, which stator core has slots in which insulating paper and a winding are fixed with varnish, and at a first temperature obtained by heating, an adhesive force of an adhesive provided on at least one side of a base material of the insulating paper is less than an adhesive force of the varnish.Type: ApplicationFiled: December 4, 2023Publication date: June 13, 2024Inventors: Shogo Miyazaki, Keiya Nimura, Yuto Suzuki, Satoshi Ueda, Osamu Kato
-
Publication number: 20240195271Abstract: A winding separation method of separating a winding from an electric motor stator that includes a stator core and a coil attached to the stator core and has insulating paper between the winding of the coil and the stator core, which the winding is covered with a coating having insulating properties, which method includes: a heating step of heating the electric motor stator; a cutting step of cutting a predetermined welded portion of the electric motor stator and a portion of the winding; and an extraction step of extracting the winding from the stator core, in which a heat-resistant temperature of the insulating paper is lower than a glass transition temperature of the coating of the winding.Type: ApplicationFiled: October 16, 2023Publication date: June 13, 2024Inventors: Keiya Nimura, Shogo Miyazaki
-
Patent number: 11953091Abstract: A power transmission device includes an input shaft, an output shaft, a differential device, a continuously variable transmission unit, and a control device. The differential device includes a first rotation element connected to the input shaft, a second rotation element connected to the output shaft, and a third rotation element. The continuously variable transmission unit includes a conversion unit configured to convert rotational power of the third rotation element into an other power, and a reconversion unit configured to reconvert the converted other power into the rotational power and supply the reconverted rotational power to the output shaft. The control device includes a continuously variable transmission control unit configured to generate a control signal of the continuously variable transmission unit such that the other power generated by the conversion unit exceeds the other power input to the reconversion unit.Type: GrantFiled: June 8, 2020Date of Patent: April 9, 2024Assignee: KOMATSU LTD.Inventors: Shogo Miyazaki, Shinya Kawakita, Kenichi Yamada
-
Patent number: 11952749Abstract: A control device for a power machine includes a target circuit pressure specifying unit configured to specify a target circuit pressure of the hydrostatic continuously variable transmission, a measurement value acquisition unit configured to acquire an actual circuit pressure of the hydrostatic continuously variable transmission, a brake torque determination unit configured to determine a brake torque based on the target circuit pressure and the actual circuit pressure, and a pump control unit configured to control the hydraulic pump based on the brake torque. The brake torque is a torque consumed by the hydraulic pump.Type: GrantFiled: November 7, 2019Date of Patent: April 9, 2024Assignee: KOMATSU LTD.Inventors: Kenichi Yamada, Shogo Miyazaki, Akira Takeno, Shota Yamawaki
-
Patent number: 11898328Abstract: A control method for a work vehicle, includes: calculating a speed ratio indicating a ratio between a rotation speed of an input shaft connected to an engine and a rotation speed of an output shaft connected to a traveling device; and outputting a capacity command for changing at least one of a capacity of a first hydraulic pump motor and a capacity of a second hydraulic pump motor based on correlation data indicating a relationship between the speed ratio and the capacities of the first and second hydraulic pump motors, wherein the correlation data is set so that both the capacity of the first hydraulic pump motor and the capacity of the second hydraulic pump motor are changed with a change in the speed ratio in a predetermined speed ratio range between a first speed ratio and a second speed ratio higher than the first speed ratio.Type: GrantFiled: June 12, 2020Date of Patent: February 13, 2024Assignee: Komatsu Ltd.Inventors: Shogo Miyazaki, Akira Takeno
-
Patent number: 11834812Abstract: A work machine includes a main body, a boom to drive with respect to the main body, a work tool connecting to the boom, the work tool to drive with respect to the boom, an actuator connecting to the main body and the work tool, the actuator to drive the work tool, and a sub-link to transmit drive of the actuator to the work tool. A method for calibrating the work machine includes outputting a detection value to detect an angle of the sub-link with respect to the boom in a predetermined posture of the boom and a work tool posture, converting the detection value as a measurement angle of the sub-link with respect to the boom based on a conversion value, and calibrating the conversion value based on a relationship between the measurement angle and an actual angle in the work tool posture which is specified.Type: GrantFiled: March 18, 2020Date of Patent: December 5, 2023Assignee: KOMATSU LTD.Inventors: Shota Yamawaki, Shogo Miyazaki
-
Publication number: 20230098598Abstract: A power supply circuit includes a first and second circuits connected to a first and second phase windings of a rotary electric machine, respectively. The first circuit includes first to fourth arms and a first switch. The midpoints of the first and second arms are connected to respective ends of a first winding unit, the midpoints of the third and fourth arms are connected to respective ends of a second winding unit, and the first switch is connected between the midpoints of the second and third arms. The second circuit includes fifth to eighth arms and a second switch. The midpoints of fifth and sixth arms are connected to respective ends of a third winding unit, the midpoints of seventh and eighth arms are connected to respective ends of a fourth winding unit, and the second switch is connected between the midpoints of the sixth and seventh arm.Type: ApplicationFiled: September 15, 2022Publication date: March 30, 2023Applicant: HONDA MOTOR CO., LTD.Inventors: Yoshihisa KUBOTA, Shogo MIYAZAKI, Satoyoshi OYA, Takumi TODOROKI
-
Publication number: 20220235536Abstract: A control method for a work vehicle, includes: calculating a speed ratio indicating a ratio between a rotation speed of an input shaft connected to an engine and a rotation speed of an output shaft connected to a traveling device; and outputting a capacity command for changing at least one of a capacity of a first hydraulic pump motor and a capacity of a second hydraulic pump motor based on correlation data indicating a relationship between the speed ratio and the capacities of the first and second hydraulic pump motors, wherein the correlation data is set so that both the capacity of the first hydraulic pump motor and the capacity of the second hydraulic pump motor are changed with a change in the speed ratio in a predetermined speed ratio range between a first speed ratio and a second speed ratio higher than the first speed ratio.Type: ApplicationFiled: June 12, 2020Publication date: July 28, 2022Applicant: Komatsu Ltd.Inventors: Shogo Miyazaki, Akira Takeno
-
Publication number: 20220196148Abstract: A power transmission device includes an input shaft, an output shaft, a differential device, a continuously variable transmission unit, and a control device. The differential device includes a first rotation element connected to the input shaft, a second rotation element connected to the output shaft, and a third rotation element. The continuously variable transmission unit includes a conversion unit configured to convert rotational power of the third rotation element into an other power, and a reconversion unit configured to reconvert the converted other power into the rotational power and supply the reconverted rotational power to the output shaft. The control device includes a continuously variable transmission control unit configured to generate a control signal of the continuously variable transmission unit such that the other power generated by the conversion unit exceeds the other power input to the reconversion unit.Type: ApplicationFiled: June 8, 2020Publication date: June 23, 2022Inventors: Shogo MIYAZAKI, Shinya KAWAKITA, Kenichi YAMADA
-
Publication number: 20220106763Abstract: A work machine includes a boom, a work tool configured to drive with respect to the boom, an actuator configured to drive the work tool, a sub-link attached to the boom, and a control section. The sub-link is configured to transmit driving force of the actuator to the work tool. The control section is configured to control the actuator based on a posture of the sub-link with respect to the boom. A method of controlling a work machine includes controlling an actuator based on a posture of a sub-link with respect to a boom, the sub-link being configured to transmit driving force of the actuator to a work tool configured to drive with respect to the boom.Type: ApplicationFiled: March 18, 2020Publication date: April 7, 2022Inventors: Shota YAMAWAKI, Shogo MIYAZAKI
-
Publication number: 20220098834Abstract: A work machine includes a main body, a boom to drive with respect to the main body, a work tool connecting to the boom, the work tool to drive with respect to the boom, an actuator connecting to the main body and the work tool, the actuator to drive the work tool, and a sub-link to transmit drive of the actuator to the work tool. A method for calibrating the work machine includes outputting a detection value to detect an angle of the sub-link with respect to the boom in a predetermined posture of the boom and a work tool posture, converting the detection value as a measurement angle of the sub-link with respect to the boom based on a conversion value, and calibrating the conversion value based on a relationship between the measurement angle and an actual angle in the work tool posture which is specified.Type: ApplicationFiled: March 18, 2020Publication date: March 31, 2022Inventors: Shota YAMAWAKI, Shogo MIYAZAKI
-
Publication number: 20220074169Abstract: A control device of a work vehicle includes a braking force function determination unit and a required braking force function determination unit. The braking force function determination unit determines at least one of an offset and an inclination for a required braking force in a braking force function which indicates a relationship between a rotational speed of an output shaft of a transmission and the required braking force and in which the required braking force monotonically increases with respect to the rotational speed such that the smaller a stage number of a selected speed stage which is input into a traction force instruction device, the larger an absolute value of at least one of the offset and the inclination. The required braking force function determination unit determines the required braking force based on the rotational speed of the output shaft of the transmission and the braking force function.Type: ApplicationFiled: March 31, 2020Publication date: March 10, 2022Inventors: Akira TAKENO, Ryota ENOMOTO, Koshiro KODO, Naoki UCHIDA, Shinobu SHIMANAKA, Shogo MIYAZAKI
-
Publication number: 20210372089Abstract: A control device for a power machine includes a target circuit pressure specifying unit configured to specify a target circuit pressure of the hydrostatic continuously variable transmission, a measurement value acquisition unit configured to acquire an actual circuit pressure of the hydrostatic continuously variable transmission, a brake torque determination unit configured to determine a brake torque based on the target circuit pressure and the actual circuit pressure, and a pump control unit configured to control the hydraulic pump based on the brake torque. The brake torque is a torque consumed by the hydraulic pump.Type: ApplicationFiled: November 7, 2019Publication date: December 2, 2021Inventors: Kenichi YAMADA, Shogo MIYAZAKI, Akira TAKENO, Shota YAMAWAKI
-
Publication number: 20210348363Abstract: A control device of a work vehicle includes a required output torque determination unit that determines a required output torque of the power transmission device based on an operation amount of the operation device and a traveling speed of the work vehicle, a traveling load estimation unit that estimates a traveling load torque related to a traveling load on the work vehicle, a required output torque correction unit that corrects the required output torque such that the required output torque is included in an allowable output torque range including an estimated traveling load torque, and a drive source control unit that outputs a control signal for the drive source based on a corrected required output torque.Type: ApplicationFiled: November 12, 2019Publication date: November 11, 2021Inventors: Kenichi YAMADA, Shogo MIYAZAKI
-
Patent number: 10903727Abstract: A stator core of a rotary electric machine includes a yoke portion which has an annular shape, plural tooth portions protruding radially from an inner peripheral edge of the yoke portion toward a center, and plural fastening portions protruding radially outward from an outer peripheral edge of the yoke portion and each formed with a fastening member insertion hole through which a fastening member is inserted. The stator core is configured by a plurality of electromagnetic steel plates laminated via an adhesive layer. The yoke portion includes plural fastening portion inner regions, and plural non-fastening portion inner regions. The adhesive layer is disposed on the yoke portion. The adhesive layer includes at least one first adhering portion provided in each of the fastening portion inner regions, and at least one second adhering portion provided in each of the non-fastening portion inner regions.Type: GrantFiled: January 29, 2019Date of Patent: January 26, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Shogo Miyazaki, Kazuyuki Ohta
-
Publication number: 20190245416Abstract: A stator core of a rotary electric machine includes a yoke portion which has an annular shape, plural tooth portions protruding radially from an inner peripheral edge of the yoke portion toward a center, and plural fastening portions protruding radially outward from an outer peripheral edge of the yoke portion and each formed with a fastening member insertion hole through which a fastening member is inserted. The stator core is configured by a plurality of electromagnetic steel plates laminated via an adhesive layer. The yoke portion includes plural fastening portion inner regions, and plural non-fastening portion inner regions. The adhesive layer is disposed on the yoke portion. The adhesive layer includes at least one first adhering portion provided in each of the fastening portion inner regions, and at least one second adhering portion provided in each of the non-fastening portion inner regions.Type: ApplicationFiled: January 29, 2019Publication date: August 8, 2019Applicant: HONDA MOTOR CO., LTD.Inventors: Shogo MIYAZAKI, Kazuyuki OHTA
-
Patent number: 9752304Abstract: A power transmission includes first and second clutches for switching a transmission path for a driving force therein. A clutch controlling unit provided for a work vehicle is configured to switch the transmission path from one to the other of first and second modes when a speed ratio parameter reaches a mode switching threshold. The clutch controlling unit is configured to keep setting the transmission path in the other mode even when the speed ratio parameter again reaches the mode switching threshold until a switching prohibition period having a predetermined initial value expires as long as a period of time elapsed after mode switching is included in the switching prohibition period. A trigger detecting unit provided for the work vehicle is configured to make the switching prohibition period expire when detecting a predetermined operation in the switching prohibition period.Type: GrantFiled: November 25, 2014Date of Patent: September 5, 2017Assignee: KOMATSU LTD.Inventors: Hiroshi Monden, Tatsuro Nohara, Shogo Miyazaki, Shunsuke Miyamoto