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).

  • Patent number: 11199166
    Abstract: 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: Grant
    Filed: October 28, 2019
    Date of Patent: December 14, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Sosuke Miki, Yukinori Kurakawa
  • Patent number: 11072387
    Abstract: 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: Grant
    Filed: November 14, 2018
    Date of Patent: July 27, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
  • Patent number: 11001335
    Abstract: 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: Grant
    Filed: November 27, 2018
    Date of Patent: May 11, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
  • Publication number: 20200158060
    Abstract: 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: Application
    Filed: October 28, 2019
    Publication date: May 21, 2020
    Inventors: Sosuke Miki, Yukinori Kurakawa
  • Publication number: 20190176927
    Abstract: 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: Application
    Filed: November 14, 2018
    Publication date: June 13, 2019
    Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
  • Publication number: 20190176928
    Abstract: 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: Application
    Filed: November 27, 2018
    Publication date: June 13, 2019
    Inventors: Yukinori Kurakawa, Yusuke Ueki, Yuji Ishitsuka
  • Patent number: 9334004
    Abstract: 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: Grant
    Filed: November 18, 2011
    Date of Patent: May 10, 2016
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Shinji Kawatani, Tsutomu Takeuchi, Yukinori Kurakawa
  • Patent number: 9027992
    Abstract: 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: Grant
    Filed: March 2, 2012
    Date of Patent: May 12, 2015
    Assignee: Honda Motor Co., Ltd.
    Inventors: Shinji Kawatani, Mitsuo Nakagawa, Yukinori Kurakawa
  • Patent number: 9016780
    Abstract: 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: Grant
    Filed: March 19, 2012
    Date of Patent: April 28, 2015
    Assignee: Honda Motor Co., Ltd.
    Inventors: Shinji Kawatani, Yukinori Kurakawa
  • Patent number: 8939242
    Abstract: 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: Grant
    Filed: September 6, 2013
    Date of Patent: January 27, 2015
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yukinori Kurakawa, Koji Aoki, Seiji Kato, Masaru Nakayama
  • Patent number: 8911002
    Abstract: 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: Grant
    Filed: March 20, 2013
    Date of Patent: December 16, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yoshiki Takahashi, Futoshi Miyakawa, Yukinori Kurakawa
  • Patent number: 8862296
    Abstract: 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: Grant
    Filed: March 29, 2012
    Date of Patent: October 14, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yukinori Kurakawa, Masaru Nakayama, Makoto Hasegawa
  • Publication number: 20140124277
    Abstract: 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: Application
    Filed: September 6, 2013
    Publication date: May 8, 2014
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yukinori KURAKAWA, Koji AOKI, Seiji KATO, Masaru NAKAYAMA
  • Patent number: 8567542
    Abstract: 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: Grant
    Filed: March 29, 2011
    Date of Patent: October 29, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hiromitsu Shiina, Yukinori Kurakawa, Hiromasa Yamaguchi, Ranju Imao, Teppei Maeda
  • Patent number: 8512109
    Abstract: 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: Grant
    Filed: August 14, 2006
    Date of Patent: August 20, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yukiya Ueda, Haruomi Sugita, Yukinori Kurakawa, Hiroyuki Ozawa, Takefumi Okubo
  • Patent number: 8413758
    Abstract: 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: Grant
    Filed: January 13, 2011
    Date of Patent: April 9, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hiromitsu Shiina, Akihiro Yamashita, Hajime Uchiyama, Tatsuya Shiokawa, Yukinori Kurakawa, Masayuki Hirukawa
  • Patent number: 8343265
    Abstract: 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: Grant
    Filed: September 16, 2010
    Date of Patent: January 1, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Sho Yamamoto, Shigeru Kodaira, Tatsuya Shiokawa, Masaki Yamazaki, Hiromitsu Shiina, Shun Fujitsu, Yukinori Kurakawa
  • Publication number: 20120259491
    Abstract: 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: Application
    Filed: March 29, 2012
    Publication date: October 11, 2012
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yukinori KURAKAWA, Masaru NAKAYAMA, Makoto HASEGAWA
  • Publication number: 20120242118
    Abstract: 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: Application
    Filed: March 2, 2012
    Publication date: September 27, 2012
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Shinji Kawatani, Mitsuo Nakagawa, Yukinori Kurakawa
  • Publication number: 20120242122
    Abstract: 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: Application
    Filed: March 19, 2012
    Publication date: September 27, 2012
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Shinji Kawatani, Yukinori Kurakawa