Patents by Inventor Hiroshi Tamura
Hiroshi Tamura 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: 20240140501Abstract: A brake disc includes an annular disc body and fins. The fins are radially disposed on a back surface of the disc body. At least one of the fins have a bolt hole at a central portion of the fin in a radial direction of the disc body. The disc body includes an inner circumferential portion. The inner circumferential portion is positioned inward from the bolt hole in the radial direction. The inner circumferential portion decreases in thickness as the inner circumferential portion extends inward in the radial direction. The fins each include a top surface and a convex portion. The convex portion protrudes inward from an imaginary plane in the radial direction. The imaginary plane passes an end portion of the top surface and an inner circumferential edge of the back surface.Type: ApplicationFiled: March 28, 2022Publication date: May 2, 2024Inventors: Hiroshi NOGAMI, Takanori KATO, Kenji TAMURA, Naruo MIYABE, Seiji KANAMORI, Yuzuka KITAZAWA, Masahiro KAMIYA
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Patent number: 11939020Abstract: A saddle-type vehicle includes an engine, a vehicle body frame, a fuel tank, and a fuel pump configured to supply fuel from the fuel tank to the engine. The vehicle body frame includes a head pipe, one main frame extending rearward and downward from the head pipe, a cross member connected to the rear end of the main frame and extending in the vehicle width direction, a pair of left and right body frames extending downward and rearward from the cross member, and a pair of left and right seat rails connected to the pair of left and right body frames, respectively. The cross member is disposed in front of the fuel pump. The pair of left and right body frames are arranged to sandwich the fuel pump in the vehicle width direction in a top view, and are connected to the cross member.Type: GrantFiled: July 15, 2021Date of Patent: March 26, 2024Assignee: KAWASAKI MOTORS, LTD.Inventors: Takeshi Kashihara, Hiroshi Tamura, Satoshi Morotomi
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Patent number: 11820454Abstract: A straddle-type electric vehicle, comprising a pair of left and right main frames, a seat rail extending rearward from a rear portion of each of the main frames, a pivot frame extending downward from a rear portion of each of the main frames, a swing arm supported by the pivot frame, a battery arranged in a space between the main frames, a power unit arranged in the space, a wind guiding duct for guiding traveling wind to the space, and an air outlet port for emitting the traveling wind, the air outlet port being provided so as to be capable of emitting the traveling wind inside the wind guiding duct from a lower portion of a vehicle body to an area below the vehicle body.Type: GrantFiled: September 23, 2020Date of Patent: November 21, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Makoto Fujikubo, Katsuhiko Sato, Tsugio Ikeda, Ryo Kubota, Yudai Hirose, Naoya Ishimatsu, Hiroshi Tamura
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Patent number: 11515662Abstract: A connector unit for a vehicle includes a connection connector to connect an external connector, and a support member to support the connection connector. The support member includes a cover attachment part attached to a vehicle cover, and a connector support to support the connection connector.Type: GrantFiled: May 14, 2021Date of Patent: November 29, 2022Assignee: Kawasaki Motors, Ltd.Inventors: Hiroshi Tamura, Takeshi Kashihara, Kiyotaka Akagi
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Patent number: 11440606Abstract: A straddle-type electric vehicle including a main frame extending in a longitudinal direction of a vehicle body, a pivot frame extending downward from a rear portion of the main frame, and a swing arm which is supported by the pivot frame and by which a rear wheel is swingably supported, the straddle-type electric vehicle, further comprising a battery supported by the main frame, a motor unit configured to be coolable by circulation of a cooling medium, a control apparatus that controls the motor unit based on electric power of the battery, and a heat exchanger connected to the motor unit via a pipe that forms a flow path for the cooling medium, wherein the control apparatus and the heat exchanger are arranged anterior to the battery in alignment with each other.Type: GrantFiled: September 4, 2020Date of Patent: September 13, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Yudai Hirose, Naoya Ishimatsu, Hiroshi Tamura, Ryo Kubota
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Publication number: 20220234668Abstract: A pannier includes: a casing body; a lid; an attaching-detaching holder which removably attaches the casing body to the vehicle; an opening-closing holder which attaches the lid in an openable and closeable manner; a cylinder which serves to lock both of the attaching-detaching holder and the opening-closing holder; and first and second movable holders which are movable when the cylinder is unlocked. At a lock position of the cylinder, the first and second movable holders are retained at a position where the casing body is unremovable and the lid is unopenable. At a pannier detaching position off the cylinder, the second movable holder is movable to an attachable-detachable position where the movable holder allows the casing body to be detached. At a pannier opening position of the cylinder, the first movable holder is movable to an openable position where the movable holder allows the lid to be opened.Type: ApplicationFiled: January 21, 2022Publication date: July 28, 2022Inventors: Hiroshi Tamura, Takeshi Kashihara, Kiyotaka Akagi, Yuki Kanemitsu, Jaume Xicola Serrano
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Publication number: 20220097791Abstract: A saddle-type vehicle includes an engine, a vehicle body frame, a fuel tank, and a fuel pump configured to supply fuel from the fuel tank to the engine. The vehicle body frame includes a head pipe, one main frame extending rearward and downward from the head pipe, a cross member connected to the rear end of the main frame and extending in the vehicle width direction, a pair of left and right body frames extending downward and rearward from the cross member, and a pair of left and right seat rails connected to the pair of left and right body frames, respectively. The cross member is disposed in front of the fuel pump. The pair of left and right body frames are arranged to sandwich the fuel pump in the vehicle width direction in a top view, and are connected to the cross member.Type: ApplicationFiled: July 15, 2021Publication date: March 31, 2022Inventors: Takeshi KASHIHARA, Hiroshi TAMURA, Satoshi MOROTOMI
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Publication number: 20220055709Abstract: A straddle type vehicle includes a meter display device that displays a vehicle state, a meter panel that forms an outer shell covering the periphery of the meter display device, and a meter support member that supports the meter display device on a vehicle body frame. The meter support member includes a main body disposed below the meter panel, supporting the meter display device, and attached to the vehicle body frame, and an exposed portion joined to the main body, exposed above the meter panel, and disposed around the meter display device.Type: ApplicationFiled: August 13, 2021Publication date: February 24, 2022Inventors: Hiroshi TAMURA, Takeshi KASHIHARA, Kiyotaka AKAGI, Juichi OYANAGI
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Publication number: 20220033022Abstract: A motorcycle 1 includes a side cowl that covers a motorcycle body from an outside in a motorcycle width direction, and a cowl cover that partially covers the side cowl from the outside in the motorcycle width direction and is smaller than the side cowl. The cowl cover protrudes outward in the motorcycle width direction from the side cowl in a region in a height direction, in which the cowl cover is attached.Type: ApplicationFiled: June 16, 2021Publication date: February 3, 2022Inventors: Hiroshi TAMURA, Takeshi KASHIHARA, Kiyotaka AKAGI, Juichi OYANAGI
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Publication number: 20210392925Abstract: The present invention addresses the problem of providing a beverage which, although containing chitosan, is prevented from clouding. The present invention provides a beverage containing specific amounts of chitosan and vitamin C.Type: ApplicationFiled: September 13, 2019Publication date: December 23, 2021Applicant: SUNTORY HOLDINGS LIMITEDInventors: Yoshiaki Shimada, Atsushi Yoshida, Tomoya Osada, Hiroshi Tamura, Tetsuya Furuike, Daiki Komoto
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Publication number: 20210367373Abstract: A connector unit for a vehicle includes: a connection connector to connect an external connector; and a support member to support the connection connector, wherein the support member includes: a cover attachment part attached to a vehicle cover; and a connector support to support the connection connector.Type: ApplicationFiled: May 14, 2021Publication date: November 25, 2021Applicant: Kawasaki Jukogyo Kabushiki KaishaInventors: Hiroshi TAMURA, Takeshi KASHIHARA, Kiyotaka AKAGI
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Patent number: 11027815Abstract: A navigation method for a ship which includes: a plurality of main generators that feed power to navigation equipment used in normal navigation and appliances for the living quarters provided within a ship body; and an emergency generator that feeds power to emergency equipment in case of fire or flood. The navigation method includes: an emergency power feeding step for feeding power to the emergency equipment using the emergency generator when at least one of the plurality of main generators is disabled due to fire or flood; and a return-to-port power feeding step for feeding power to return-to-port equipment, required for navigation for returning to port, using the main generators and the emergency generator after the fire or flood has subsided.Type: GrantFiled: July 3, 2017Date of Patent: June 8, 2021Assignee: MITSUBISHI SHIPBUILDING CO., LTD.Inventors: Yusuke Kuchiki, Shingen Takeda, Hiroshi Tamura, Masahiko Mino, Tatsuaki Kanaga, Yushi Ashizawa
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Patent number: 11007870Abstract: A four-wheel drive vehicle comprises: main drive wheels and sub-drive wheels; a first input rotating member; a first output rotating member; a second input rotating member; a second output rotating member; a first dog clutch; a second dog clutch; a synchromesh mechanism. In the case of canceling a disconnect state in which the power transmitting member interrupts power transmission from the drive power source and the sub-drive wheels, the control device controls an engagement torque of the coupling to a preset first torque and operates the synchromesh mechanism to engage the first dog clutch when it is determined that the rotation speeds are synchronized between the second input rotating member and the second output rotating member, and controls the engagement torque of the coupling to a second torque smaller than the first torque to engage the second dog clutch when it is determined that the first dog clutch is engaged.Type: GrantFiled: September 23, 2019Date of Patent: May 18, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Hiroshi Tamura
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Patent number: 10968999Abstract: A differential device for a 4-wheel-drive vehicle wherein a portion of a drive power source drive force transmitted to left and right main drive wheels is transmitted to left and right auxiliary drive wheels through a propeller shaft which is disconnectable from a power transmitting path between the main drive wheels and drive power source, the differential device distributes the drive force from the propeller shaft to the auxiliary drive wheels, and selectively connects and disconnects the propeller and an output shaft to and from each other, the output shaft. The differential device includes a side oil seal between the output shaft and a casing, a side bearing adjacent to the seal in an output shaft axial direction such that the output shaft is rotatably supported by the casing via the bearing, and an oil slinger axially adjacent to the bearing so the slinger is rotated with the output shaft.Type: GrantFiled: February 5, 2018Date of Patent: April 6, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Hiroshi Tamura
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Patent number: 10924048Abstract: An inverter control device including at least first and second inverters includes: a current detector that detects a current flowing through a main circuit of the first inverter; a current controller that generates a voltage command value of the first inverter on the basis of a detected current and a current command; and a voltage command predictor that generates a voltage command value of the second inverter on the basis of a variation of the voltage command value of the first inverter.Type: GrantFiled: November 22, 2016Date of Patent: February 16, 2021Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Hiroshi Tamura, Hiroshi Aoyagi, Tomishige Yatsugi, Shigehisa Aoyagi
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Publication number: 20210001947Abstract: A straddle-type electric vehicle, comprising a pair of left and right main frames, a seat rail extending rearward from a rear portion of each of the main frames, a pivot frame extending downward from a rear portion of each of the main frames, a swing arm supported by the pivot frame, a battery arranged in a space between the main frames, a power unit arranged in the space, a wind guiding duct for guiding traveling wind to the space, and an air outlet port for emitting the traveling wind, the air outlet port being provided so as to be capable of emitting the traveling wind inside the wind guiding duct from a lower portion of a vehicle body to an area below the vehicle body.Type: ApplicationFiled: September 23, 2020Publication date: January 7, 2021Inventors: Makoto FUJIKUBO, Katsuhiko SATO, Tsugio IKEDA, Ryo KUBOTA, Yudai HIROSE, Naoya ISHIMATSU, Hiroshi TAMURA
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Publication number: 20200398922Abstract: A straddle-type electric vehicle including a main frame extending in a longitudinal direction of a vehicle body, a pivot frame extending downward from a rear portion of the main frame, and a swing arm which is supported by the pivot frame and by which a rear wheel is swingably supported, the straddle-type electric vehicle, further comprising a battery supported by the main frame, a motor unit configured to be coolable by circulation of a cooling medium, a control apparatus that controls the motor unit based on electric power of the battery, and a heat exchanger connected to the motor unit via a pipe that forms a flow path for the cooling medium, wherein the control apparatus and the heat exchanger are arranged anterior to the battery in alignment with each other.Type: ApplicationFiled: September 4, 2020Publication date: December 24, 2020Inventors: Yudai HIROSE, Naoya ISHIMATSU, Hiroshi TAMURA, Ryo KUBOTA
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Patent number: 10826410Abstract: An object of the present invention is to reduce output voltage errors of an inverter circuit and stably control a motor until the motor reaches high speed rotation. An inverter device includes a PWM controller that generates a PWM pulse for converting DC voltage to AC voltage in accordance with an output request of a motor, and an inverter circuit that converts the DC voltage to the AC voltage with the PWM pulse generated by the PWM controller and drives a motor. The PWM controller changes the pulse width of the PWM pulse at predetermined timing on the upper side of the trapezoidal wave when the trapezoidal wave modulation using the trapezoidal wave is performed in the overmodulation region.Type: GrantFiled: January 18, 2018Date of Patent: November 3, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Toshiyuki Ajima, Junki Isobe, Midori Takaoka, Akihiro Ashida, Hiroshi Tamura
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Publication number: 20200280278Abstract: An inverter control device including at least first and second inverters includes: a current detector that detects a current flowing through a main circuit of the first inverter; a current controller that generates a voltage command value of the first inverter on the basis of a detected current and a current command; and a voltage command predictor that generates a voltage command value of the second inverter on the basis of a variation of the voltage command value of the first inverter.Type: ApplicationFiled: November 22, 2016Publication date: September 3, 2020Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Hiroshi TAMURA, Hiroshi AOYAGI, Tomishige YATSUGI, Shigehisa AOYAGI
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Patent number: 10655852Abstract: This ship includes a ship body, a fuel tank chamber, a stern-side engine room, a bow-side engine room, a main fuel line and a sub-fuel line, and a pump mechanism. The main fuel line connects a fuel tank, a stern-side power generation unit, and a bow-side power generation unit through the bow-side engine room. The sub-fuel line connects at least the fuel tank and the stern-side power generation unit, and is disposed through a section different from the bow-side engine room through which the main fuel line passes. The pump mechanism selectively feeds fuel into the main fuel line or the sub-fuel line from the fuel tank.Type: GrantFiled: June 14, 2017Date of Patent: May 19, 2020Assignee: MITSUBISHI SHIPBUILDING CO., LTD.Inventors: Yusuke Kuchiki, Shingen Takeda, Hiroshi Tamura, Masahiko Mino, Koichi Okuda