Patents by Inventor Takeshi Nakamura

Takeshi Nakamura 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: 11312210
    Abstract: A vehicle body upper structure includes a pair of first structures that constitute portions on both sides in a width direction of a vehicle body in an upper portion of the vehicle body; and a second structure that extends in the width direction and is joined at opposing ends to the first structures so as to define at least a part of a window opening, to which a windshield is attachable in cooperation with the first structures. The second structure includes a low-rigid portion that is joined to one of the pair of first structures in a first area of the one of the pair of first structures, and a high-rigid portion that is separated in distance in the width direction from the first area and that has higher rigidity than the low-rigid portion. The low-rigid portion being joined to one of the first structures via the damping material.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: April 26, 2022
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Daisuke Kiyoshita, Takeshi Nakamura
  • Publication number: 20220108243
    Abstract: A work management device includes a present topography acquisition unit which acquires a present topography at a work site, a final design surface acquisition unit which acquires a final design surface at the work site, a work area acquisition unit which acquires a work area of an operation machine at the work site, a target operation volume acquisition unit which acquires a target operation volume per unit time of the operation machine, an intermediate design surface generation unit which generates an intermediate design surface for the operation machine on the basis of the final design surface, the present topography, the work area, and the target operation volume per unit time, and a notification processing unit which notifies the intermediate design surface to an operator of the operation machine.
    Type: Application
    Filed: November 18, 2019
    Publication date: April 7, 2022
    Applicant: Komatsu Ltd.
    Inventors: Chikashi Shike, Takeshi Nakamura
  • Publication number: 20220090638
    Abstract: A wet friction disc includes a friction surface and a lubrication groove through which a lubricant supplied to the friction surface flows. The lubrication groove has a plurality of circumferential groove portions that extends in a circumferential direction and a plurality of intersecting groove portions that extends in directions intersecting the circumferential direction. At least one of the circumferential groove portions has a through-hole that extends through the wet friction disc between an opposite surface facing s mating member and a surface on the opposite side in an axial direction.
    Type: Application
    Filed: September 22, 2021
    Publication date: March 24, 2022
    Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshiki TAKEUCHI, Hiroshi TAKUNO, Kazuaki KAMIMURA, Takeshi NAKAMURA, Takahiro YOSHIMURA, Masaya MICHISHITA
  • Publication number: 20220090639
    Abstract: A wet friction disc includes a lubrication groove and a plurality of lands defined by the lubrication groove. The lubrication groove has a plurality of circumferential groove portions that extends in a circumferential direction and has a predetermined groove width in a radial direction, and a plurality of intersecting groove portions that extends in directions intersecting the circumferential direction. At least some of the circumferential groove portions have an arc shape such that an end in the circumferential direction is located adjacent to one of the lands in the circumferential direction and that the groove width is entirely contained within a range in the radial direction spanned by that land.
    Type: Application
    Filed: September 22, 2021
    Publication date: March 24, 2022
    Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshiki TAKEUCHI, Hiroshi TAKUNO, Kazuaki KAMIMURA, Takeshi NAKAMURA, Takahiro YOSHIMURA
  • Patent number: 11279411
    Abstract: To improve bending rigidity of a side sill against an inward load in a vehicle width direction during a lateral collision while suppressing a weight increase of the side sill, a vehicle side body structure includes: a side sill; a wheel house, a front lower portion; a center pillar; and a door formed to be opened at a position above the side sill and behind the center pillar. A rear portion of an impact bar provided to the door overlaps the rear portion of the side sill in side view when the door is closed. The side sill includes a reinforcing member reinforcing bending rigidity against an inward load. The side sill reinforcing member is provided in an intermediate portion of the side sill where the center pillar is located and the rear portion of the side sill in a longitudinal direction of the side sill.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: March 22, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Tadashi Yamazaki, Takeshi Nakamura
  • Publication number: 20220066704
    Abstract: Provided are a monitoring system, a monitoring method, and a non-transitory computer-readable storage medium storing a monitoring program whereby it is possible to improve the stability of remote management of an image forming device by means of a remote management system. A monitoring system according to one embodiment is characterized by: acquiring information from a remote management system which remotely manages an image forming device; detecting a failure of the remote management system by analyzing the acquired information; and notifying about the failure of the remote management system which has been detected.
    Type: Application
    Filed: December 25, 2019
    Publication date: March 3, 2022
    Inventors: Kazuki NISHIKAI, Koki NAKAJIMA, Takeshi NAKAMURA, Satoshi GOSHIMA, Yasuo NAKASHIMA, Dukil Park, Yuichi OBAYASHI
  • Patent number: 11260915
    Abstract: A vehicle side body structure can secure a vibration-damping property of a body regardless of design specification by including a rear wheel house including a wheel house outer and a wheel house inner; a side sill extending forward from a front end of the wheel house outer; and an outer reinforcement extending in a vertical direction along a door opening edge from an intermediate portion in a front-rear direction of the wheel house outer. The wheel house outer includes: an outer overhang overhanging outward; and an outer flange extending upward from an inner end of the outer overhang. A reinforcing member is provided to cooperate with the outer overhang and the outer flange so as to define a closed cross section in a substantially triangular shape. The reinforcing member couples a rear end of the side sill and a lower end of the outer reinforcement.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: March 1, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Yoshikazu Nishimura, Takeshi Nakamura, Daisuke Kiyoshita
  • Patent number: 11242092
    Abstract: To improve bending rigidity of a side sill against a load toward an inner side in a vehicle width direction during a lateral collision while suppressing a weight increase of thereof by providing minimum reinforcement, the side sill has a closed cross-sectional space extending in a vehicle longitudinal direction and includes a first upper reinforcing member that reinforces bending rigidity against a load toward the vehicle width inner side. The first upper reinforcing member is configured to be partially provided in a cross-sectional view that is perpendicular to a longitudinal direction of the side sill and to extend along a longitudinal direction of the side sill such that at least a part thereof overlaps a center pillar joined portion, to which a center pillar is joined, in a vehicle side view at a height position of the center pillar joined portion.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: February 8, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Tadashi Yamazaki, Takeshi Nakamura
  • Patent number: 11229893
    Abstract: Provided is a method of producing a silicon compound material, including the steps of: storing a silicon carbide preform in a reaction furnace; supplying a raw material gas containing methyltrichlorosilane to the reaction furnace to infiltrate the preform with silicon carbide; and controlling and reducing a temperature of a gas discharged from the reaction furnace at a predetermined rate to subject the gas to continuous thermal history, to thereby decrease generation of a liquid or solid by-product derived from the gas.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: January 25, 2022
    Assignees: IHI Corporation, The University of Tokyo
    Inventors: Yasuyuki Fukushima, Kozue Akazaki, Yasutomo Tanaka, Kazuma Akikubo, Takeshi Nakamura, Yukihiro Shimogaki, Takeshi Momose, Noboru Sato, Kohei Shima, Yuichi Funato
  • Patent number: 11208153
    Abstract: A connecting reinforcement is provided between a hinge pillar and a wheel house so as to reinforce at least around a rear face portion of the wheel house. The connecting reinforcement extends in the vertical direction along a rear face portion of the wheel house and has a closed-cross section space, in a sectional view perpendicular to the vertical direction, inside thereof. A gusset including a slant face portion which is provided at a front face thereof and configured to extend obliquely rearwardly-and-outwardly is provided in the closed-cross section space. A gap space which forms a part of the closed-cross section space is provided between the slant face portion and the rear face portion of the wheel house provided on a wheel-house side so as to face the slant face portion.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: December 28, 2021
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Yuki Kataoka, Kazuki Yamauchi, Takeshi Nakamura
  • Patent number: 11173961
    Abstract: The present disclosure relates to a vehicle rear body structure in which a meeting section is constructed at an upper corner of a rear gate opening that is opened rearward in a body rear portion, and in the meeting section, a roof side rail that extends in a vehicle longitudinal direction in a body side portion and a rear header that extends in a vehicle width direction in the body rear portion meet. The vehicle rear body structure that improves rigidity of the body rear portion while suppressing relative displacement between the rear header and the roof side rail.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: November 16, 2021
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Daisuke Kiyoshita, Takeshi Nakamura
  • Patent number: 11155308
    Abstract: To provide a vehicle side body structure capable of securing vibration suppression performance while suppressing an increase in body weight by a connecting member that connects an outer reinforcement and an inner reinforcement. The present invention includes: a rear wheel house configured to include a wheel house outer and a wheel house inner; an outer reinforcement cooperating with the wheel house outer to define a first closed cross section that extends in a vertical direction and is provided along a part of a rear door opening edge; and an inner reinforcement cooperating with the wheel house inner to define a second closed cross section that extends in the vertical direction. A connecting member is provided to fix a striker to the outer reinforcement and connect a front flange of the outer reinforcement and each of a front wall and a front flange of the inner reinforcement.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: October 26, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Yoshikazu Nishimura, Takeshi Nakamura, Daisuke Kiyoshita
  • Patent number: 11148727
    Abstract: To reduce the amount of intrusion into the vehicle interior at the time of a side collision and achieve weight reduction, a vehicle side body structure includes a pillar member that partitions a side part opening of a body into a front part and a rear part, and the pillar member includes an upper member made of high-tensile steel and a lower member joined to the upper member, made of high-tensile steel, and having a rigidity lower than the upper member. The upper member has a reinforcing member made of high-tensile steel with a tensile strength higher than the upper member and the lower member and the lower half of the reinforcing member are shaped to have a lower bending rigidity against bending toward the inside in the vehicle width direction, toward the lower end of the reinforcing member.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: October 19, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Tadashi Yamazaki, Takeshi Nakamura, Toshiyuki Gendo
  • Patent number: 11142251
    Abstract: In an upper vehicle-body structure including: a roof side rail disposed at an upper and vehicle-width-direction outer side portion of the vehicle and including a closed cross-section extending in a vehicle front-rear direction; a pillar extending downward from an intermediate portion in the vehicle front-rear direction of the roof side rail; and a roof rail reinforcement disposed inside the intermediate portion in the vehicle front-rear direction of the roof side rail and extending in the front-rear direction, the roof rail reinforcement including front and rear ends bent toward a vehicle-width-direction outer side, the roof rail reinforcement being configured to partition a space inside the intermediate portion of the roof side rail in the vehicle front-rear direction and a vehicle width direction, the roof side rail includes a roof rail outer and a roof rail inner defining, jointly with the roof rail outer, a closed cross-section, the pillar includes a pillar outer and a pillar inner defining, jointly with
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: October 12, 2021
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Daisuke Kiyoshita, Tadashi Yamazaki, Takeshi Nakamura
  • Patent number: 11142253
    Abstract: To suppress such twisting of a side sill that an upper portion thereof is displaced inwardly with respect to a lower portion thereof during a lateral collision while suppressing a weight increase of the side sill, a vehicle side body structures includes: a side sill that has a closed cross-sectional space extending in a vehicle longitudinal direction; and a center pillar extending upward from the side sill. The center pillar is configured such that an upper direct upward portion located above a direct upward portion, which continues from the side sill and is located immediately above the side sill has a higher rigidity against an inward load than the direct upward portion. In the closed cross-sectional space, sections are provided in a front and/or rear portion of a center pillar arrangement region, in which the center pillar is located, in a longitudinal direction.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: October 12, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Tadashi Yamazaki, Takeshi Nakamura
  • Patent number: 11136066
    Abstract: To improve bending rigidity of a side sill against an inward load during a lateral collision while suppressing a weight increase of the side sill, a vehicle side body structure includes a side sill that has a closed cross-sectional space extending in a vehicle longitudinal direction and a center pillar. A pillar inner provided in the center pillar has a pillar inner upper and a pillar inner lower. In a longitudinal direction of the side sill, an overlapping portion in which the pillar inner upper and the pillar inner lower overlap each other in side view in the closed cross-sectional space of the side sill is provided. The closed cross-sectional space further includes sections, each of which partitions the closed cross-sectional space in the longitudinal direction. These sections are joined to the overlapping portion and an inner surface, which faces the closed cross-sectional space, in the side sill.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: October 5, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Tadashi Yamazaki, Takeshi Nakamura
  • Publication number: 20210281594
    Abstract: A security management device includes a management unit, a determination unit, and an output unit. The management unit is configured to manage an anomaly location of an anomaly in a system in which a plurality of electronic controllers are connected through a network, and an anomaly amount in the anomaly location. The determination unit is configured to determine whether or not to implement countermeasures against the anomaly based on the anomaly location and the anomaly amount. The output unit is configured to output an instruction based on a determination result by the determination unit.
    Type: Application
    Filed: March 3, 2021
    Publication date: September 9, 2021
    Inventors: Kotaro MIZUNUMA, Takeshi NAKAMURA, Takeshi SUGASHIMA
  • Patent number: 11077883
    Abstract: The front vehicle-body structure includes: a hinge pillar extending vertically; a suspension housing spaced forward from the hinge pillar; an apron reinforcement that extends forward from an upper part of the hinge pillar, has a closed section perpendicular to a front-rear direction, and supports the suspension housing; a bracing reinforcement that extends rearward to be inclined downward so as to couple a lower part of the apron reinforcement and the hinge pillar in a bracing manner, and has a closed section perpendicular to a direction of the extension; and a first reinforcing member that is provided inside the closed section of the apron reinforcement and partitions the closed section in the front-rear direction. The bracing reinforcement includes, at a bottom thereof, a wheel well outer rear part extending rearward to be inclined downward, and the first reinforcing member is connected to the wheel well outer rear part.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: August 3, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Yuki Kataoka, Shigeaki Watanabe, Takeshi Nakamura
  • Patent number: 11018344
    Abstract: A current collector for electrical storage device includes a sheet-shaped conductive substrate and a coating layer disposed on one or both sides of the conductive substrate. The coating layer includes a powdery carbon material, acid-modified polyvinylidene fluoride and polyvinylpyrrolidone. The content of the polyvinylpyrrolidone is 0.099 to 5.0 mass %. The content of the powdery carbon material in the coating layer is 15.0 to 45.0 mass %. Also disclosed is a coating liquid for producing the current collector for electrical storage device as well as a method for producing the current collector for electrical storage device.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: May 25, 2021
    Assignee: SHOWA DENKO K.K.
    Inventors: Akifumi Takeda, Takeshi Nakamura, Hitoshi Yokouchi
  • Patent number: 10995928
    Abstract: The base member (300) has a light transmitting property. The light emitting element (20) is on the inner surface (302) of the base member (300). The light emitting element (20) includes a light emitting portion (142) and a light transmitting portion (144). A plurality of wirings (222) of the first sheet 202 and a plurality of wirings (222) of the second sheet (204) are on the surface of the base member (300). The plurality of wirings (222) of the first sheet (202) is electrically connected to an anode (first terminal (112)) of the light emitting element (20). The plurality of wirings (222) of the second sheet (204) is electrically connected to a cathode (second terminal (132)) of the light emitting element (20).
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: May 4, 2021
    Assignee: PIONEER CORPORATION
    Inventor: Takeshi Nakamura