Patents by Inventor Yukinori Kurakawa
Yukinori Kurakawa 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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Patent number: 11199166Abstract: An ECU is covered by a fuel tank and an upper cover which are vehicle body trim parts along with the upper surface of an air cleaner box. A frame holding duct is connected to the air cleaner box, the frame holding duct extends vehicle forward from the air cleaner box, is connected to a body frame, and is arranged inside an upper cowl, the upper cowl covering the front portion of the body frame, a branching portion of the intake air is arranged in the frame holding duct, and a branching passage extending from the branching portion is disposed between the upper surface of the air cleaner box and the fuel tank and the upper cover and is positioned in front of the ECU.Type: GrantFiled: October 28, 2019Date of Patent: December 14, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Sosuke Miki, Yukinori Kurakawa
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Patent number: 11072387Abstract: The swing arm for the saddle riding vehicle that supports a wheel in a swingable manner includes a swing arm main body made of a fiber reinforced resin. The swing arm main body is formed to be hollow, and an embedded member of a material different from the fiber reinforced resin is embedded in such a manner as to make solid at least part of the hollow portion of the swing arm main body.Type: GrantFiled: November 14, 2018Date of Patent: July 27, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
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Patent number: 11001335Abstract: A swing arm for a saddle riding vehicle which includes a pivot section connected to a vehicle body, and a wheel support section configured to support a rear wheel and which is capable of swinging around the pivot section, includes a swing arm main body made of a fiber reinforced resin, in which the swing arm main body includes a pivot-side opening configured to open an end on a side of the pivot section, and a rear end opening configured to open an end on a side of the wheel support section, and is formed in a hollow shape continuous from the pivot-side opening to the rear end opening.Type: GrantFiled: November 27, 2018Date of Patent: May 11, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
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Publication number: 20200158060Abstract: An ECU is covered by a fuel tank and an upper cover which are vehicle body trim parts along with the upper surface of an air cleaner box. A frame holding duct is connected to the air cleaner box, the frame holding duct extends vehicle forward from the air cleaner box, is connected to a body frame, and is arranged inside an upper cowl, the upper cowl covering the front portion of the body frame, a branching portion of the intake air is arranged in the frame holding duct, and a branching passage extending from the branching portion is disposed between the upper surface of the air cleaner box and the fuel tank and the upper cover and is positioned in front of the ECU.Type: ApplicationFiled: October 28, 2019Publication date: May 21, 2020Inventors: Sosuke Miki, Yukinori Kurakawa
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Publication number: 20190176927Abstract: The swing arm for the saddle riding vehicle that supports a wheel in a swingable manner includes a swing arm main body made of a fiber reinforced resin. The swing arm main body is formed to be hollow, and an embedded member of a material different from the fiber reinforced resin is embedded in such a manner as to make solid at least part of the hollow portion of the swing arm main body.Type: ApplicationFiled: November 14, 2018Publication date: June 13, 2019Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
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Publication number: 20190176928Abstract: A swing arm for a saddle riding vehicle which includes a pivot section connected to a vehicle body, and a wheel support section configured to support a rear wheel and which is capable of swinging around the pivot section, includes a swing arm main body made of a fiber reinforced resin, in which the swing arm main body includes a pivot-side opening configured to open an end on a side of the pivot section, and a rear end opening configured to open an end on a side of the wheel support section, and is formed in a hollow shape continuous from the pivot-side opening to the rear end opening.Type: ApplicationFiled: November 27, 2018Publication date: June 13, 2019Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
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Patent number: 9334004Abstract: A vehicle seat structure allowing a reduction in the weight of a seat while ensuring cushioning performance. The seat includes a base plate member with an outer frame forming an outer periphery of the seat, and concave portions with seating positions and a seat back position on an inner peripheral side of the outer frame made concave in a direction of a seating load. In addition, the seat includes a fabric member that is provided in a tensioned state in such a manner so as to close open sides of the concave portions for supporting an occupant's weight. A first cushion member is provided in positions on the fabric member, at least corresponding to the outer frame.Type: GrantFiled: November 18, 2011Date of Patent: May 10, 2016Assignee: HONDA MOTOR CO., LTD.Inventors: Shinji Kawatani, Tsutomu Takeuchi, Yukinori Kurakawa
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Patent number: 9027992Abstract: A seat structure for a saddle-ride type vehicle, the seat structure including an outer frame portion in which a through-hole is formed at least at a seating position for the occupant to sit on; a seat skin that has elasticity is fixed to the outer frame portion while predetermined tensile force is applied thereto, and is disposed to cover a portion facing the through-hole; and a cushion member that is disposed between an upper surface of the outer frame portion and the seat skin, and bulges above an outer edge of the outer frame portion.Type: GrantFiled: March 2, 2012Date of Patent: May 12, 2015Assignee: Honda Motor Co., Ltd.Inventors: Shinji Kawatani, Mitsuo Nakagawa, Yukinori Kurakawa
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Patent number: 9016780Abstract: A seat structure for a saddle-ride type vehicle for an occupant to sit on. The seat structure includes an outer frame portion, left and right frame portions, a seat skin, recessed portions, and a cushion member. The frame portion includes a through-hole formed at least at a seating position for the occupant to sit on. The left and right frame portions are disposed along left and right side surfaces of the vehicle. The seat skin has elasticity and is fixed to the outer frame portion while predetermined tensile force is applied thereto. The seat skin is disposed to cover a portion facing the through-hole. The recessed portions are formed on the left and right frame portions and are recessed toward an inner side in a vehicle width direction. A cushion member is disposed between the left and right frame portions and the seat skin.Type: GrantFiled: March 19, 2012Date of Patent: April 28, 2015Assignee: Honda Motor Co., Ltd.Inventors: Shinji Kawatani, Yukinori Kurakawa
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Patent number: 8939242Abstract: An electrically driven vehicle includes a driver's seat, a left rear seat, a right rear seat, a center console, a first battery group, and a second battery group. The left rear seat and the right rear seat are provided side by side in a rear of the driver's seat. The center console is arranged between the left rear seat and the right rear seat and extends backwardly from the driver's seat. The first battery group includes batteries arranged under the driver's seat. The second battery group includes batteries arranged under the center console and under the left rear seat and the right rear seat in the rear of the driver's seat.Type: GrantFiled: September 6, 2013Date of Patent: January 27, 2015Assignee: Honda Motor Co., Ltd.Inventors: Yukinori Kurakawa, Koji Aoki, Seiji Kato, Masaru Nakayama
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Patent number: 8911002Abstract: A driver seat is disposed at a position offset by a predetermined distance to the left from a vehicle width center line and an ingress-egress opening through which a driver gets on and off the vehicle is provided on a lateral side of the driver seat. A door is attached to a left upper frame via a door hinge and the ingress-egress opening is opened and closed by using the door. A parking brake lever is disposed near the left upper frame and the door hinge is provided on the same left upper frame. Since the door hinge and the parking brake lever are disposed close to each other, there is no possibility of the parking brake lever hindering ingress and egress.Type: GrantFiled: March 20, 2013Date of Patent: December 16, 2014Assignee: Honda Motor Co., Ltd.Inventors: Yoshiki Takahashi, Futoshi Miyakawa, Yukinori Kurakawa
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Patent number: 8862296Abstract: A rear body of an electric vehicle can include rear body frames attached in a vertically swingable manner with respect to a body frame and a chassis attached to the rear body frames by a pivot shaft on a vehicle forward side in a vertically swingable manner. Front and rear batteries are located on the rear body frames, and a motor and rear wheels are supported on the chassis. The front and rear batteries are housed in a battery case fixed on the rear body frames. A PDU as a battery control device, is located on a vehicle forward side of the battery case. A contactor, having a function to open and close the connection between the front and rear batteries and the PDU, is located on a lateral face of the battery case.Type: GrantFiled: March 29, 2012Date of Patent: October 14, 2014Assignee: Honda Motor Co., Ltd.Inventors: Yukinori Kurakawa, Masaru Nakayama, Makoto Hasegawa
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Publication number: 20140124277Abstract: An electrically driven vehicle includes a driver's seat, a left rear seat, a right rear seat, a center console, a first battery group, and a second battery group. The left rear seat and the right rear seat are provided side by side in a rear of the driver's seat. The center console is arranged between the left rear seat and the right rear seat and extends backwardly from the driver's seat. The first battery group includes batteries arranged under the driver's seat. The second battery group includes batteries arranged under the center console and under the left rear seat and the right rear seat in the rear of the driver's seat.Type: ApplicationFiled: September 6, 2013Publication date: May 8, 2014Applicant: HONDA MOTOR CO., LTD.Inventors: Yukinori KURAKAWA, Koji AOKI, Seiji KATO, Masaru NAKAYAMA
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Patent number: 8567542Abstract: A vehicle intake duct surrounds a high-flow intake passage, which ensures flow capacity and does not spatially restrict other components. The vehicle includes an engine attached to a vehicle body frame, with the intake duct interconnecting an air cleaner and a throttle body, a transmission for sending engine output to wheels, and a seat mounted on an upper longitudinal frame section of the vehicle body frame. The air cleaner is also provided on the upper longitudinal frame section forward of the seat. The intake duct includes a first extending portion descending rearwardly and downwardly from an outlet of the air cleaner and passing laterally of the throttle body, a curved portion extending rearwardly from the first extending portion and toward a center of the vehicle body frame, and a second extending portion wound around toward a rear portion of the throttle body and connected thereto.Type: GrantFiled: March 29, 2011Date of Patent: October 29, 2013Assignee: Honda Motor Co., Ltd.Inventors: Hiromitsu Shiina, Yukinori Kurakawa, Hiromasa Yamaguchi, Ranju Imao, Teppei Maeda
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Patent number: 8512109Abstract: The effect of a windshield for a saddle-type vehicle such as a low-slung type of motorcycle or three-wheeled vehicle is enhanced, and pressure is sufficiently adjusted in an open space at the back of the windshield using an inventive windshield system. The vehicle includes a leg shield in front of legs of a rider, and a step space rearward of the leg shield. The windshield system includes a windshield which is provided with an air outlet that opens upward. An air inlet provided at the front of the vehicle communicates with the air outlet other through a duct, and the air outlet opens to the upper center of the windshield. Pressure adjusting outlets, for adjusting pressure in a space around the rider by blowing air toward the step space, are provided separately from the air outlet.Type: GrantFiled: August 14, 2006Date of Patent: August 20, 2013Assignee: Honda Motor Co., Ltd.Inventors: Yukiya Ueda, Haruomi Sugita, Yukinori Kurakawa, Hiroyuki Ozawa, Takefumi Okubo
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Patent number: 8413758Abstract: The vehicle body frame is configured in a manner that an upper tension pipe is removed from a first cross portion and a second cross portion. When mounting the engine in the vehicle body frame, the vehicle mounted component that is relatively heavy can be lowered into the vehicle body frame from above by removing the upper tension pipe. The vehicle body frame simplifies the removal and installation of the vehicle-mounted components.Type: GrantFiled: January 13, 2011Date of Patent: April 9, 2013Assignee: Honda Motor Co., Ltd.Inventors: Hiromitsu Shiina, Akihiro Yamashita, Hajime Uchiyama, Tatsuya Shiokawa, Yukinori Kurakawa, Masayuki Hirukawa
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Patent number: 8343265Abstract: An air cleaner apparatus includes a lid that covers an opening formed in an air cleaner box is provided with an intake port communicating with the opening. In addition, a regulator is attached to an upper wall portion of the air cleaner box, the intake port is extended to the upper wall portion of the air cleaner box so as to cover the regulator, and the regulator is placed facing inside an intake passage connecting between the intake port and the opening. The air cleaner apparatus so configured provides a sufficient cooling effect, and is excellent in ease of maintenance.Type: GrantFiled: September 16, 2010Date of Patent: January 1, 2013Assignee: Honda Motor Co., Ltd.Inventors: Sho Yamamoto, Shigeru Kodaira, Tatsuya Shiokawa, Masaki Yamazaki, Hiromitsu Shiina, Shun Fujitsu, Yukinori Kurakawa
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Publication number: 20120259491Abstract: A rear body of an electric vehicle can include rear body frames attached in a vertically swingable manner with respect to a body frame and a chassis attached to the rear body frames by a pivot shaft on a vehicle forward side in a vertically swingable manner. Front and rear batteries are located on the rear body frames, and a motor and rear wheels are supported on the chassis. The front and rear batteries are housed in a battery case fixed on the rear body frames. A PDU as a battery control device, is located on a vehicle forward side of the battery case. A contactor, having a function to open and close the connection between the front and rear batteries and the PDU, is located on a lateral face of the battery case.Type: ApplicationFiled: March 29, 2012Publication date: October 11, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Yukinori KURAKAWA, Masaru NAKAYAMA, Makoto HASEGAWA
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Publication number: 20120242118Abstract: A seat structure for a saddle-ride type vehicle, the seat structure including an outer frame portion in which a through-hole is formed at least at a seating position for the occupant to sit on; a seat skin that has elasticity is fixed to the outer frame portion while predetermined tensile force is applied thereto, and is disposed to cover a portion facing the through-hole; and a cushion member that is disposed between an upper surface of the outer frame portion and the seat skin, and bulges above an outer edge of the outer frame portion.Type: ApplicationFiled: March 2, 2012Publication date: September 27, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Shinji Kawatani, Mitsuo Nakagawa, Yukinori Kurakawa
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Publication number: 20120242122Abstract: A seat structure for a saddle-ride type vehicle for an occupant to sit on. The seat structure includes an outer frame portion, left and right frame portions, a seat skin, recessed portions, and a cushion member. The frame portion includes a through-hole formed at least at a seating position for the occupant to sit on. The left and right frame portions are disposed along left and right side surfaces of the vehicle. The seat skin has elasticity and is fixed to the outer frame portion while predetermined tensile force is applied thereto. The seat skin is disposed to cover a portion facing the through-hole. The recessed portions are formed on the left and right frame portions and are recessed toward an inner side in a vehicle width direction. A cushion member is disposed between the left and right frame portions and the seat skin.Type: ApplicationFiled: March 19, 2012Publication date: September 27, 2012Applicant: HONDA MOTOR CO., LTD.Inventors: Shinji Kawatani, Yukinori Kurakawa