Patents by Inventor Takeshi Kanda
Takeshi Kanda 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).
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Publication number: 20240110308Abstract: Provided are a method for manufacturing a silicon carbide single crystal, which can suppress conversion of threading edge dislocations into prismatic plane dislocations and conversion of the prismatic plane dislocations into basal plane dislocations; and a silicon carbide single crystal ingot and a silicon carbide wafer, in which conversion from threading edge dislocations into prismatic plane dislocations and conversion from the prismatic plane dislocations into basal plane dislocations have been suppressed. A silicon carbide single crystal is grown on the surface of a seed substrate by a gas method so that a temperature gradient in the radial direction of the seed substrate takes a predetermined value or lower during the growth.Type: ApplicationFiled: September 15, 2023Publication date: April 4, 2024Inventors: Kiyoshi BETSUYAKU, Norihiro HOSHINO, Isaho KAMATA, Hidekazu TSUCHIDA, Takeshi OKAMOTO, Takahiro KANDA
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Patent number: 11847440Abstract: A vehicle program update management system includes a first server configured to manage a program configuration which is a combination of a plurality of programs, a second server configured to manage a plurality of update programs for the plurality of programs, and a reprogramming terminal which is a device that is wiredly connected to the plurality of control devices to perform information processing for updating the programs.Type: GrantFiled: February 22, 2022Date of Patent: December 19, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Tomoaki Taki, Takeshi Kanda, Junya Ikoma, Yuki Kubo, Yasuhide Aoyama
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Publication number: 20220308858Abstract: A vehicle program update management system includes a first server configured to manage a program configuration which is a combination of a plurality of programs, a second server configured to manage a plurality of update programs for the plurality of programs, and a reprogramming terminal which is a device that is wiredly connected to the plurality of control devices to perform information processing for updating the programs.Type: ApplicationFiled: February 22, 2022Publication date: September 29, 2022Inventors: Tomoaki Taki, Takeshi Kanda, Junya Ikoma, Yuki Kubo, Yasuhide Aoyama
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Publication number: 20220309843Abstract: A program update management system includes an acquisition unit configured to acquire an update program from an update history management device that manages an update history of a program, a writing unit configured to write the update program into an ECU of the moving body, and a communication control unit configured to control a communication unit that transmits writing progress information about progress of writing of the update program to the update history management device of the program, in which the program is installed into the moving body control device through the moving body fault diagnosis device, and the output control unit controls the output unit so that a predetermined output is provided until the moving body fault diagnosis device transmits the information about the progress to the update history management device.Type: ApplicationFiled: February 22, 2022Publication date: September 29, 2022Inventors: Tomoaki Taki, Takeshi Kanda
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Publication number: 20220308857Abstract: A control device mounted on a vehicle and configured in such a manner that a program incorporated in a first vehicle control unit can be updated by first updating means and a program incorporated in a second vehicle control unit can be updated by second updating means that is different from the first updating means, the control device including a request reception unit causing the first updating means to receive an acquisition request of acquiring version information about a version of the program of the second vehicle control unit; and a transmission control unit causing the first updating means to transmit the version information according to the acquisition request. The first and second updating means are means for acquiring an update program from a device outside the vehicle, and one of the first and second updating means acquires a program from a device outside the vehicle via a communication unit.Type: ApplicationFiled: February 22, 2022Publication date: September 29, 2022Inventors: Tomoaki Taki, Takeshi Kanda, Toshimi Hamada
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Patent number: 10889188Abstract: Provided is a drive control device for a vehicle with independently driven wheels, the control device enabling the vehicle to avoid unstable behavior caused by an overrevolution of one of the drive wheels. The vehicle includes left and right motors (6, 6) that independently drive left and right drive wheels (2, 2), respectively. The control device includes: an ECU (21) to generate and output a command torque; an inverter device (22); rotation speed detection modules (34, 34) to detect the rotation speeds of the respective left and right motors (6, 6); and a control module (35) to change the command torques for the respective left and right motors (6, 6) so as to reduce the rotation speeds of the left and right motors (6, 6) when at least one rotation speed between the detected rotation speeds of the left and right motors (6, 6) exceeds a predetermined rotation speed.Type: GrantFiled: August 10, 2018Date of Patent: January 12, 2021Assignee: NTN CORPORATIONInventor: Takeshi Kanda
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Publication number: 20190389301Abstract: Provided is a drive control device (20) for controlling a motor (6) of a vehicle including the motor (6) for driving the vehicle, a speed reducer (7) for reducing the speed of rotation of the motor (6) to transmit the reduced rotation to a wheel, and a mechanism for supplying lubricating oil to the motor (6) and the speed reducer (7). The device (20) includes an oil temperature sensor (Sa) for obtaining the temperature of the lubricating oil, and a rotation speed detection module (28) for detecting the rotation speed of the motor (6). The device (20) further includes a torque limitation module (26) for limiting a torque to be generated in the motor (6), based on the obtained oil temperature and the detected rotation speed of the motor (6), when the oil temperature obtained by the sensor (Sa) is equal to or lower than a predetermined temperature.Type: ApplicationFiled: September 5, 2019Publication date: December 26, 2019Applicant: NTN CORPORATIONInventor: Takeshi KANDA
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Publication number: 20180345796Abstract: Provided is a drive control device for a vehicle with independently driven wheels, the control device enabling the vehicle to avoid unstable behavior caused by an overrevolution of one of the drive wheels. The vehicle includes left and right motors (6, 6) that independently drive left and right drive wheels (2, 2), respectively. The control device includes: an ECU (21) to generate and output a command torque; an inverter device (22); rotation speed detection modules (34, 34) to detect the rotation speeds of the respective left and right motors (6, 6); and a control module (35) to change the command torques for the respective left and right motors (6, 6) so as to reduce the rotation speeds of the left and right motors (6, 6) when at least one rotation speed between the detected rotation speeds of the left and right motors (6, 6) exceeds a predetermined rotation speed.Type: ApplicationFiled: August 10, 2018Publication date: December 6, 2018Applicant: NTN CORPORATIONInventor: Takeshi KANDA
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Patent number: 10087449Abstract: This invention is related to a therapeutic agent for treating chronic kidney disease comprising a substance which inhibits the enzymatic activity of NNMT or suppresses NNMT gene expression, or a method for screening a therapeutic agent for treating chronic kidney disease which targets the NNMT enzyme or NNMT gene.Type: GrantFiled: April 6, 2015Date of Patent: October 2, 2018Assignees: SHIONOGI & CO., LTD., KEIO UNIVERSITYInventors: Takashi Ono, Katsutoshi Yamada, Norito Yoshimura, Toshihiro Shinosaki, Yoshinari Gahara, Hiroshi Itoh, Shu Wakino, Takeshi Kanda, Kazuhiro Hasegawa, Motoaki Komatsu
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Patent number: 9712090Abstract: A driving device for motors for drive wheels of a vehicle includes a plurality of in-wheel motor assemblies and motor drivers. The motor drivers include a smoothing circuit, an inverter unit to convert the direct current power, inputted through the smoothing circuit, into a three phase alternating current power, an inverter control unit for controlling the inverter unit, and a cooler for cooling the inverter unit. The plurality of the motor drivers are disposed within a single common casing and the plurality of the motor drivers share the smoothing circuit. The inverter control unit of the plurality of the motor drivers is of a control type capable of driving the driving element of the inverter unit according to the PWM scheme and the plurality of the motor drivers have equal cycles of PWM relative to each other and are configured to displace ON and OFF timings of the driving element.Type: GrantFiled: September 16, 2016Date of Patent: July 18, 2017Assignee: NTN CORPORATIONInventors: Hiroyuki Yamada, Takeshi Kanda, Koichi Okada
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Publication number: 20170107521Abstract: This invention is related to a therapeutic agent for treating chronic kidney disease comprising a substance which inhibits the enzymatic activity of NNMT or suppresses NNMT gene expression, or a method for screening a therapeutic agent for treating chronic kidney disease which targets the NNMT enzyme or NNMT gene.Type: ApplicationFiled: April 6, 2015Publication date: April 20, 2017Applicants: SHIONOGI & CO., LTD., KEIO UNIVERSITYInventors: Takashi ONO, Katsutoshi YAMADA, Norito YOSHIMURA, Toshihiro SHINOSAKI, Yoshinari GAHARA, Hiroshi ITOH, Shu WAKINO, Takeshi KANDA, Kazuhiro HASEGAWA, Motoaki KOMATSU
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Publication number: 20170005599Abstract: A driving device for motors for drive wheels of a vehicle includes a plurality of in-wheel motor assemblies and motor drivers. The motor drivers include a smoothing circuit, an inverter unit to convert the direct current power, inputted through the smoothing circuit, into a three phase alternating current power, an inverter control unit for controlling the inverter unit, and a cooler for cooling the inverter unit. The plurality of the motor drivers are disposed within a single common casing and the plurality of the motor drivers share the smoothing circuit. The inverter control unit of the plurality of the motor drivers is of a control type capable of driving the driving element of the inverter unit according to the PWM scheme and the plurality of the motor drivers have equal cycles of PWM relative to each other and are configured to displace ON and OFF timings of the driving element.Type: ApplicationFiled: September 16, 2016Publication date: January 5, 2017Applicant: NTN CORPORATIONInventors: Hiroyuki YAMADA, Takeshi KANDA, Koichi OKADA
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Patent number: 9487092Abstract: To provide a driving device for an in-wheel motor vehicle that can be reduced in size, weight and cost, the driving device for the in-wheel motor vehicle includes a plurality of in-wheel motor assemblies, which are disposed in at least two of a plurality of drive wheels, and a plurality of motor drivers for controlling those in-wheel motor assemblies. Each of the motor drivers includes a smoothing circuit, a control unit, an inverter unit and a cooler for cooling the inverter unit. The plurality of the motor drivers are put together at one location and disposed within the common casing.Type: GrantFiled: February 10, 2012Date of Patent: November 8, 2016Assignee: NTN CORPORATIONInventors: Hiroyuki Yamada, Takeshi Kanda, Koichi Okada
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Patent number: 9283851Abstract: A low temperature drive control device is used for a motor mounted automotive vehicle in which the rotation of a motor is transmitted to a wheel and a common oil is used for cooling the motor and also for lubricating gears. The motor mounted automotive vehicle includes a command torque calculator for calculating a command torque to be applied to the motor in dependence on an acceleration input, a motor drive controller for controlling an electric current value to be supplied to the motor in dependence on the command torque calculated by the command torque calculator an oil temperature detector for detecting the oil temperature, and a motor torque changer for changing the command torque in dependence on the oil temperature detected by the oil temperature detector.Type: GrantFiled: May 4, 2015Date of Patent: March 15, 2016Assignee: NTN CORPORATIONInventor: Takeshi Kanda
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Publication number: 20150231970Abstract: A low temperature drive control device is used for a motor mounted automotive vehicle in which the rotation of a motor (9) is transmitted to a wheel and a common oil is used for cooling the motor (9) and also for lubricating gears. The motor mounted automotive vehicle includes a command torque calculator (24) for calculating a command torque to be applied to the motor (9) in dependence on an acceleration input, a motor drive controller (23) for controlling an electric current value to be supplied to the motor (9) in dependence on the command torque calculated by the command torque calculator (24), an oil temperature detector (21) for detecting the oil temperature, and a motor torque changer (25) for changing the command torque in dependence on the oil temperature detected by the oil temperature detector (21).Type: ApplicationFiled: May 4, 2015Publication date: August 20, 2015Applicant: NTN CORPORATIONInventor: Takeshi KANDA
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Publication number: 20130320677Abstract: To provide a driving device for an in-wheel motor vehicle that can be reduced in size, weight and cost, the driving device for the in-wheel motor vehicle includes a plurality of in-wheel motor assemblies, which are disposed in at least two of a plurality of drive wheels, and a plurality of motor drivers for controlling those in-wheel motor assemblies. Each of the motor drivers includes a smoothing circuit, a control unit, an inverter unit and a cooler for cooling the inverter unit. The plurality of the motor drivers are put together at one location and disposed within the common casing.Type: ApplicationFiled: February 10, 2012Publication date: December 5, 2013Applicant: NTN CorporationInventors: Hiroyuki Yamada, Takeshi Kanda, Koichi Okada
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Patent number: 8558499Abstract: To provide a controller apparatus of a type, in which the controller is given the redundancy so that the control of the drive motor can be properly performed at all times when an abnormality such as the failure of the controller occurs, with the reliability consequently increased, a plurality of controllers are provided, each including a power circuit for outputting a drive current for the drive motor and a control circuit, which is a light electric circuit, for controlling the power circuit in response to a motor drive command fed from a higher control. An abnormality determiner is provided for determining an abnormality occurring in the controller then in use according to a prescribed rule and then generating a switching signal. A switch is provided, which is operable in response to the switching signal to change the controller then in a state of functioning relative to the drive motor.Type: GrantFiled: September 13, 2012Date of Patent: October 15, 2013Assignee: NTN CorporationInventors: Takayoshi Ozaki, Koichi Okada, Takeshi Kanda
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Publication number: 20130002179Abstract: To provide a controller apparatus of a type, in which the controller is given the redundancy so that the control of the drive motor can be properly performed at all times when an abnormality such as the failure of the controller occurs, with the reliability consequently increased, a plurality of controllers are provided, each including a power circuit for outputting a drive current for the drive motor and a control circuit, which is a light electric circuit, for controlling the power circuit in response to a motor drive command fed from a higher control. An abnormality determiner is provided for determining an abnormality occurring in the controller then in use according to a prescribed rule and then generating a switching signal. A switch is provided, which is operable in response to the switching signal to change the controller then in a state of functioning relative to the drive motor.Type: ApplicationFiled: September 13, 2012Publication date: January 3, 2013Applicant: NTN CorporationInventors: Takayoshi Ozaki, Koichi Okada, Takeshi Kanda
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Publication number: 20090222764Abstract: An information processing device includes a screen display control portion, an icon display control portion, and an icon moving portion. The screen display control portion controls a display of an area on a screen such that the area is able to accept an input operation by a user based on a display of an object on the screen and an operation signal that corresponds to the input operation by the user and that designates the area. The icon display control portion displays an icon that corresponds to the object that is displayed on the screen. The icon moving portion moves the icon dynamically, based on the operation signal, to a target position within the area that is designated by the operation signal.Type: ApplicationFiled: February 26, 2009Publication date: September 3, 2009Inventors: Takeshi KANDA, Kazuaki TAGUCHI
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Patent number: 7163046Abstract: The apparatus of the invention is an injection molding apparatus of a type adapted to cool a molten metal under shearing by an extrusion screw in a substantially vertical chamber into a semi-solidified slurry and then inject the semi-solidified slurry discharged from a discharge port at the lower end of a channel into molding plates, in which a clamping device is adapted to open or close a movable plate relative to a stationary plate in the horizontal direction, and a connection member having, at the inside, a vertical first channel and a second channel extending in the horizontal direction from the lower end of the first channel and in communication with the stationary plate is connected to the discharge port at the lower end of the chamber. Since this can inject and mold light metal molding products of high quality with less pore or shrinkage without excessively enlarging the size for the height of the apparatus, casting products of high quality can be obtained at a reduced cost by injection molding.Type: GrantFiled: August 10, 2004Date of Patent: January 16, 2007Assignee: Kobe Steel, Ltd.Inventors: Tatsuya Tanaka, Munenori Soejima, Katsunori Takahashi, Takeshi Kanda, Kazuhisa Fujisawa