Patents by Inventor Yosuke Hirayama

Yosuke Hirayama 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: 9475535
    Abstract: A vehicle includes a center transmission plate, a first center turnable portion configured to turn about a first center turning axis extending in an up-down direction, a second center turnable portion configured to turn about a second center turning axis extending in a front-rear direction, a left transmission plate, a first left turnable portion configured to turn about a first left turning axis extending in the up-down direction, a second left turnable portion configured to turn about a second left turning axis extending in the front-rear direction, a right transmission plate, a first right turnable portion configured to turn about a first right turning axis extending in the up-down direction, and a second right turnable portion configured to turn about a second right turning axis extending in the front-rear direction. A tie rod is supported on the second center turnable portion, the second left turnable portion, and the second right turnable portion.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: October 25, 2016
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Toshio Iizuka, Yosuke Hirayama, Yutaka Kubo, Takahiro Watanabe, Noboru Miyamoto, Kaoru Sasaki, Hirokatsu Ogawa
  • Patent number: 9452806
    Abstract: At least a portion of a tie rod of a steering force transmitting mechanism overlaps with a portion of a first support member or a second support member when viewed from a front of a vehicle in a fully-tilted condition in which the vehicle body frame is fully tilted in the left-right direction. At least a portion of the tie rod is disposed below a second cross member, above a first front wheel and a second front wheel, behind a front end of the first front wheel and a front end of the second front wheel, and ahead of a first axis of a first side member and a second axis of a second side member when viewed from the left or right of the vehicle when the vehicle body frame is in an upright state.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: September 27, 2016
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Yosuke Hirayama, Toshio Iizuka, Yutaka Kubo, Takahiro Watanabe, Noboru Miyamoto, Kaoru Sasaki, Hirokatsu Ogawa
  • Patent number: 9434439
    Abstract: A vehicle includes a body frame that leans, two front wheels, a link mechanism, and a hydraulic unit. The link mechanism includes cross members and is supported on a link support portion of the body frame. The hydraulic unit is smaller than a cross member movable area where the cross members move relative to the body frame as seen from the direction of middle axes of the cross members. The hydraulic unit overlaps at least a portion of the cross member movable area and at least a portion of external vehicle components as seen from the direction of the middle axes and between the cross member movable area and the external vehicle components in relation to the direction of the middle axes. The hydraulic unit is supported on the link support portion of the body frame that supports the link mechanism.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: September 6, 2016
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Toshio Iizuka, Yosuke Hirayama
  • Publication number: 20160152293
    Abstract: A brake controlling operation transmission member includes a leaning-associated deforming portion that deforms in response to turning of a body frame. A vehicle includes at least a portion of the leaning-associated deforming portion located between a first restrictor located below a lower cross portion in relation to an up-and-down direction of the body frame and a central portion in a left-and-right direction of the body frame so as to prevent movement of the brake controlling operation transmission member and a brake device.
    Type: Application
    Filed: June 30, 2014
    Publication date: June 2, 2016
    Inventor: Yosuke HIRAYAMA
  • Publication number: 20160152291
    Abstract: An excessive torque restricting mechanism restricts a magnitude of a torque which is to be transmitted from a steering shaft to a connecting mechanism including a tie rod, a magnitude of a torque which is to be transmitted from a left shock absorbing mechanism to the connecting mechanism, and a magnitude of a torque which is to be transmitted from a right shock absorbing mechanism to the connecting mechanism.
    Type: Application
    Filed: June 30, 2014
    Publication date: June 2, 2016
    Inventors: Kaoru SASAKI, Yosuke HIRAYAMA
  • Patent number: 9352798
    Abstract: A body cover includes an outer surface covering portion that covers at least a portion of an outer peripheral surface of a link mechanism excluding an upper surface and a lower surface thereof. When the vehicle is in the upright state, at least portions of a leaning associated deforming portion of a brake controlling operation transmission member that deform in association with the leaning of a body frame are positioned between the outer peripheral surface of the link mechanism, excluding the upper surface and the lower surface thereof, and the outer surface covering portion.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: May 31, 2016
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Yosuke Hirayama
  • Publication number: 20160137252
    Abstract: A body cover includes an outer surface covering portion that covers at least a portion of an outer peripheral surface of a link mechanism excluding an upper surface and a lower surface thereof. When the vehicle is in the upright state, at least portions of a leaning-associated deforming portion of a brake controlling operation transmission member that deform in association with the leaning of a body frame are positioned between the outer peripheral surface of the link mechanism, excluding the upper surface and the lower surface thereof, and the outer surface covering portion.
    Type: Application
    Filed: June 30, 2014
    Publication date: May 19, 2016
    Inventor: Yosuke HIRAYAMA
  • Publication number: 20160137253
    Abstract: A vehicle includes a restrictor that prevents movement of a brake controlling operation transmission member and is provided at an upper portion of at least one of an upper cross portion, a right side portion, and a left side portion. The brake controlling operation transmission member includes a leaning-associated deforming portion that is located between a brake controller and the restrictor to deform in response to the leaning of a body frame and a wheel-turning-associated deforming portion at least a portion of which is located between the leaning-associated deforming portion and a brake device to deform in response to the turning of a right front wheel and a left front wheel.
    Type: Application
    Filed: June 30, 2014
    Publication date: May 19, 2016
    Applicant: YAHAMA HATSUDOKI KABUSHIKI KAISHA
    Inventor: Yosuke HIRAYAMA
  • Publication number: 20160129967
    Abstract: A vehicle prevents interference of a right lamp and a left lamp with a link mechanism without increasing the size of the vehicle in its width direction. A right link side portion of a right lamp is located on the right of a locus along which a link mechanism extends when an upper cross portion turns when looking at the vehicle from the front of an upper middle axis. At least portion of the right link side portion is located on the left of a right end portion of a body cover, above the upper middle axis and below an upper end portion of the link mechanism that results when the upper cross portion turns clockwise to a maximum extent relative to a body frame, when looking at the vehicle from the front of the upper middle axis.
    Type: Application
    Filed: June 30, 2014
    Publication date: May 12, 2016
    Inventors: Kaoru SASAKI, Yosuke HIRAYAMA, Kazuhisa TAKANO, Toshio IIZUKA, Hirotoshi NOGUCHI
  • Publication number: 20150344097
    Abstract: A vehicle includes a body frame that leans, two front wheels, a link mechanism, and a hydraulic unit. The link mechanism includes cross members and is supported on a link support portion of the body frame. The hydraulic unit is smaller than a cross member movable area where the cross members move relative to the body frame as seen from the direction of middle axes of the cross members. The hydraulic unit overlaps at least a portion of the cross member movable area and at least a portion of external vehicle components as seen from the direction of the middle axes and between the cross member movable area and the external vehicle components in relation to the direction of the middle axes. The hydraulic unit is supported on the link support portion of the body frame that supports the link mechanism.
    Type: Application
    Filed: December 20, 2013
    Publication date: December 3, 2015
    Inventors: Toshio IIZUKA, Yosuke HIRAYAMA
  • Publication number: 20150307149
    Abstract: A vehicle includes a body frame, a left front wheel and a right front wheel, a link mechanism configured to be deformed as a vehicle body leans, and vehicle components disposed directly forward of the link mechanism in relation to a front-and-rear direction of the vehicle. The vehicle components are supported on the body frame via penetrating portions that extend from the body frame toward the front of the vehicle and penetrate the link mechanism.
    Type: Application
    Filed: December 20, 2013
    Publication date: October 29, 2015
    Applicant: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Toshio IIZUKA, Yosuke HIRAYAMA
  • Publication number: 20150259027
    Abstract: A suspension device includes two telescopic elements and achieves reduction in a size of a vehicle including the suspension device while securing rigidity sufficient to endure a load applied from a road surface to a wheel supported by the suspension device. A second outer member is smaller than a first outer member and is connected to the first outer member via a first connection portion and a second connection portion arranged in the extension/contraction direction of a second telescopic element, the second outer member is connected to the first outer member via a first connection portion and a second connection portion arranged in the extension/contraction direction of the second telescopic element.
    Type: Application
    Filed: October 25, 2013
    Publication date: September 17, 2015
    Inventors: Kazuhisa Takano, Toshio Iizuka, Yosuke Hirayama, Tsutomu Yoshimoto, Yasuhiro Kitamura
  • Patent number: 9136535
    Abstract: An object of the present invention is to provide a cathode active material which contains small-particle sized and low-crystalline lithium transition metal silicate and which undergoes charge-discharge reaction at room temperature. The cathode active material for a non-aqueous electrolyte secondary battery is characterized by containing a lithium transition metal silicate and exhibits diffraction peaks having half widths of 0.175 to 0.6°, the peaks observed through powder X-ray diffractometry within a 2? range of 5 to 50°.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: September 15, 2015
    Assignees: FURUKAWA ELECTRIC CO., LTD., THE FURUKAWA BATTERY CO., LTD.
    Inventors: Michio Ohkubo, Michihiro Shimada, Naoki Uno, Yosuke Hirayama, Toshio Tani, Hidetoshi Abe, Miyu Aita
  • Publication number: 20150251719
    Abstract: In a vehicle, a size of an acute angle ?L defined by a virtual plane perpendicularly or substantially perpendicularly intersecting with an upper axis and a lower axis of a cross member and a up-and-down direction of a vehicle body frame is smaller than sizes of an acute angle ?TR and an acute angle ?TL which are defined by an expansion and contraction direction of telescopic elements and the up-and-down direction of the vehicle body frame, and an acute angle ?SR and an acute angle ?SL which are defined by axes of side rods and the up-and-down direction of the vehicle body frame. The sizes of the acute angle ?TR and the acute angle ?TL are greater than the size of the acute angle ?L defined by the virtual plane perpendicularly or substantially perpendicularly intersecting with the upper axis and the lower axis of the cross member and the up-and-down direction of the vehicle body frame, and are equivalent to or smaller than the sizes of the acute angle ?SR and the acute angle ?SL.
    Type: Application
    Filed: September 24, 2013
    Publication date: September 10, 2015
    Applicant: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Kazuhisa Takano, Toshio Iizuka, Yosuke Hirayama
  • Publication number: 20150232147
    Abstract: At least a portion of a tie rod of a steering force transmitting mechanism overlaps with a portion of a first support member or a second support member when viewed from a front of a vehicle in a fully-tilted condition in which the vehicle body frame is fully tilted in the left-right direction. At least a portion of the tie rod is disposed below a second cross member, above a first front wheel and a second front wheel, behind a front end of the first front wheel and a front end of the second front wheel, and ahead of a first axis of a first side member and a second axis of a second side member when viewed from the left or right of the vehicle when the vehicle body frame is in an upright state.
    Type: Application
    Filed: September 24, 2013
    Publication date: August 20, 2015
    Inventors: Yosuke Hirayama, Toshio Iizuka, Yutaka Kubo, Takahiro Watanabe, Noboru Miyamoto, Kaoru Sasaki, Hirokatsu Ogawa
  • Publication number: 20150210338
    Abstract: A vehicle includes a center transmission plate, a first center turnable portion configured to turn about a first center turning axis extending in an up-down direction, a second center turnable portion configured to turn about a second center turning axis extending in a front-rear direction, a left transmission plate, a first left turnable portion configured to turn about a first left turning axis extending in the up-down direction, a second left turnable portion configured to turn about a second left turning axis extending in the front-rear direction, a right transmission plate, a first right turnable portion configured to turn about a first right turning axis extending in the up-down direction, and a second right turnable portion configured to turn about a second right turning axis extending in the front-rear direction. A tie rod is supported on the second center turnable portion, the second left turnable portion, and the second right turnable portion.
    Type: Application
    Filed: September 24, 2013
    Publication date: July 30, 2015
    Applicant: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Toshio Iizuka, Yosuke Hirayama, Yutaka Kubo, Takahiro Watanabe, Noboru Miyamoto, Kaoru Sasaki, Hirokatsu Ogawa
  • Publication number: 20140166928
    Abstract: A particulate mixture etc., which can be used as a precursor of lithium transition metal silicate-type compound of small particle size and low crystallinity, is provided. Further, a cathode active material that can undergo charge-and-discharge reaction in room temperature, and comprises lithium transition metal silicate-type compound, is provided. It is a mixture of silicon oxide particulates, transition metal oxide particulates, and lithium transition metal silicate particulates, and its powder X-ray diffraction measurement shows diffraction peaks near 2?=33.1° and near 2?=35.7°, and said silicon oxide particulates and said transition metal oxide particulates are amorphous, and said lithium transition metal silicate particulates are in a microcrystalline or amorphous state. Furthermore, a cathode active material obtained by grinding the active material aggregate obtained by heat-treating this particulate mixture is provided.
    Type: Application
    Filed: February 21, 2014
    Publication date: June 19, 2014
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Michio OHKUBO, Takeshi YAGI, Michihiro SHIMADA, Naoki UNO, Yosuke HIRAYAMA, Takeshi NISHIMURA, Toshio TANI
  • Patent number: 8696949
    Abstract: A particulate mixture which can be used as a precursor of lithium transition metal silicate-type compound of small particle size and low crystallinity, is provided. It is a mixture of silicon oxide particulates, transition metal oxide particulates, and lithium transition metal silicate particulates, and its powder X-ray diffraction measurement shows diffraction peaks near 2?=33.1° and near 2?=35.7°, and said silicon oxide particulates and said transition metal oxide particulates are amorphous, and said lithium transition metal silicate particulates are in a microcrystalline or amorphous state.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: April 15, 2014
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Michio Ohkubo, Takeshi Yagi, Michihiro Shimada, Naoki Uno, Yosuke Hirayama, Takeshi Nishimura, Toshio Tani
  • Publication number: 20140038043
    Abstract: The object of the present invention is to provide a lithium transition metal silicate-type cathode active material that shows superior cycle characteristics, and shows little deterioration of discharge capacity even after repeated charge-and-discharge. In the present invention, a cathode active material that is expressed by the general formula Li2-yFe1-xMxSi1-yXyO4 (M=at least one transition metal selected from the group consisting of Mn, Ti, Cr, V, Ni, Co, Cu, Zn, Al, Ge, Zr, Mo, W; X=at least one element selected from the group consisting of Ti, Cr, V, Zr, Mo, W, P, B; 0?x<1, 0?y<0.25), and contains a lithium transition metal silicate, which comprises a mixed phase of an orthorhombic-type structure with a space group Pmn21 symmetry, and a monoclinic-type structure with a space group P21/n symmetry, is provided.
    Type: Application
    Filed: October 4, 2013
    Publication date: February 6, 2014
    Applicants: THE FURUKAWA BATTERY CO., LTD., FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yosuke HIRAYAMA, Michio OHKUBO, Yoshinori KAZAMA, Hidetoshi ABE, Miyu NEMOTO
  • Publication number: 20130316233
    Abstract: The object of the present invention is to provide a method for producing lithium transition metal phosphate with a small particle size and uniform element spatial distribution, which enables continuous and large-scale synthesis. Its solution is as follows: A particulate mixture is synthesized by the spray-combustion method, wherein a mixed solution containing a lithium source, a transition metal source, and a phosphorus source is supplied into a flame along with a combustion-supporting gas and a flammable gas, as a mist-like droplet. It is a method for producing lithium transition metal phosphate-type cathode active material, which further comprises a process of mixing the synthesized particulate mixture with a carbon source, a process of calcining the particulate mixture under inert gas atmosphere to produce an active material aggregate, and a process of pulverizing the active material aggregate.
    Type: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yosuke HIRAYAMA, Michio OHKUBO