Patents by Inventor Akira Fukushima

Akira Fukushima 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).

  • Publication number: 20240101127
    Abstract: A driving assistance device includes a memory and a processor. The processor acquires travel information including acceleration of a moving body. The processor presents, to the moving body, information regarding cargo collapse on the moving body that is specified on the basis of a distribution of the acceleration of the moving body in multiple axes on the basis of the travel information.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 28, 2024
    Inventors: Yasunori SUZUKI, Akira SHIMIZU, Yasuo SHIROSAKI, Yoshiki MIURA, Norihiko FUKUSHIMA, Takanori SUDO, Isao TAKAHASHI
  • Publication number: 20240098195
    Abstract: An image reading apparatus includes a support portion, a reading portion, a first cover, a second cover, and a holding mechanism. The first cover moves between a second closed position where the first cover covers the reading portion in a first closed position and a second open position where the first cover opens the reading portion. The second cover moves between a third closed position where the second cover forms a second area of a conveyance path together with the first cover in the second closed position and a third open position where the second cover opens the second area. The holding mechanism prevents the first cover from moving from the second open position to the second closed position and holds the first cover in the second open position when the second cover is in the third open position and the first cover is in the second open position.
    Type: Application
    Filed: September 11, 2023
    Publication date: March 21, 2024
    Inventors: AKIRA MATSUMOTO, TAKAYUKI FUKUSHIMA
  • Patent number: 11936133
    Abstract: The hermetic terminal includes a metal base that is provided with at least one sealing hole, a lead that is inserted in the sealing hole provided on the metal base, an insulating material that hermetically seals the metal base and the lead, and a heat insulating member that is provided to cover at least a partial surface of the hermetic terminal which is located inside a pressure-resistant container after the hermetic terminal is fixed to the pressure-resistant container and comes into contact with refrigerant sealed in the pressure-resistant container.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: March 19, 2024
    Assignee: SCHOTT AG
    Inventors: Yusuke Maegawa, Hiroki Honda, Akira Fujioka, Daisuke Fukushima
  • Publication number: 20240075592
    Abstract: A workpiece holding device includes a workpiece support surface and a blow suction unit. The workpiece support surface includes suction holes formed therein. A workpiece placed on the workpiece support surface is adsorbed by the suction holes. The blow suction unit includes an ionizer that ionizes gas (for example, air), a jet outlet that jets the gas toward the workpiece and a suction inlet. The gas blown onto and reflected off the workpiece is suctioned through the suction inlet. While blowing the ionized gas onto the workpiece, the blow suction unit is moved relative to the length direction of the workpiece.
    Type: Application
    Filed: August 22, 2023
    Publication date: March 7, 2024
    Applicant: NHK SPRING CO., LTD.
    Inventors: Koichi FUKUSHIMA, Akira HONMA
  • Patent number: 11911891
    Abstract: An actuator system that picks up workpieces aims to shorten tact time and to reduce damages to workpieces. The actuator system includes an actuator that picks up a workpiece, an external force detection sensor that detects a physical quantity that is correlated with an external force that is applied to the workpiece, a head unit that is connected to the actuator and the external force detection sensor without a communication network, the head unit being configured to control the actuator based on a sensing result from the external force detection sensor when a pickup request signal that is a signal requesting pickup of the workpiece is received, and a control device that is connected to the head unit over the communication network, the control device being configured to transmit the pickup request signal to the head unit.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: February 27, 2024
    Assignee: THK CO., LTD.
    Inventors: Katsuya Fukushima, Masashi Ishii, Hiroki Niwa, Akira Suzuki, Kazuto Oga, Shogo Wakuta, Satoshi Hara, Tomofumi Mizuno, Shigeki Hayashi
  • Publication number: 20230366660
    Abstract: An ignition device assembly includes an ignition device including an igniter body and an igniter collar member, and a housing including a tubular fixing portion to which the igniter collar member is fixed. The tubular fixing portion includes a crimping fixing portion. The igniter collar member includes a tubular wall portion having a tubular shape, made of metal, and including a connector connection space formed inside, the tubular wall portion being crimped by a crimping fixing portion, an opening end forming portion including a resin region portion and a metal region portion, extending from a tip side of the tubular wall portion and forming an opening end of the connector connection space, and a crimping tip surface opposing region portion. At least a part of the crimping tip surface opposing region portion is formed by the metal region portion.
    Type: Application
    Filed: June 29, 2021
    Publication date: November 16, 2023
    Applicant: DAICEL CORPORATION
    Inventors: Akira FUKUSHIMA, Takaya MASUMOTO
  • Patent number: 11652374
    Abstract: A rotary electrical machine is equipped with a rotor that is rotatably supported, and a stator having a stator core that is disposed coaxially with the rotor. The stator core is configured as a plurality of stacked steel plates, and has a yoke portion that is of annular shape, a plurality of teeth extending radially from the yoke portion, and slots between adjacent teeth. A stator winding is wound in the slots. The yoke portion has holes that extend in the stacking direction of the steel plates, at positions of radial-direction extension of the slots, and molded powder bodies formed from a magnetic powder are provided within the holes.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: May 16, 2023
    Assignee: DENSO CORPORATION
    Inventors: Makoto Taniguchi, Akira Fukushima, Ken Matsubara, Satoshi Doi
  • Publication number: 20220380264
    Abstract: A method of forming a ceramic matrix composite with being impregnated with molten metal includes: stacking a plurality of fiber layers that are layers of reinforced fibers impregnated with base resin to form a laminate in which a matrix layer containing fibers extending in a direction of impregnation with the molten metal is disposed between the fiber layers; forming an impregnation path in the matrix layer entirely in an in-plane direction perpendicular to a direction of the stacking in the laminate by carbonizing the formed laminate; and impregnating, with the molten metal, the laminate in which the impregnation path has been formed.
    Type: Application
    Filed: May 25, 2022
    Publication date: December 1, 2022
    Inventors: Hiromichi AKIYAMA, Kiichi NISHIGUCHI, Takahiro SEKIGAWA, Akira FUKUSHIMA, Takeshi YOSHIKAWA, Hisao ESAKA
  • Patent number: 11447424
    Abstract: A manufacturing method for a ceramic matrix composite, having a woven fabric that has multiple fiber bundles and having a matrix that is disposed in the gaps between the fiber bundles, includes: a green body formation step for forming a green body by sintering the woven fabric infiltrated with a polymer that is a precursor to the matrix; and a densification step for further infiltrating the green body with a polymer and sintering same. The densification step includes: a second infiltration step for further infiltrating the green body with a polymer so as to form an infiltrated green body; a drying step for drying the infiltrated green body so as to form a dried green body; a steam treatment step for leaving the dried green body under saturation water vapor pressure so as to form a treated green body; and a sintering step for sintering the treated green body.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: September 20, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES AERO ENGINES, LTD.
    Inventors: Kosuke Nishikawa, Akira Fukushima, Ryoma Nogami, Azusa Tamugi
  • Publication number: 20220185741
    Abstract: A ceramic matrix composite manufacturing method includes: forming a zirconia-sol containing layer that contains zirconia sol, on fabric having an interface layer formed on a periphery of each of a plurality of ceramic-made fibers; impregnating the fabric having the zirconia-sol containing layer formed, with a polymer as a precursor, to form a body; supplying oxygen to the polymer included in the body; heating the body in an inert gas atmosphere to cause a reaction of the polymer to form a matrix; and heating the body in an oxygen atmosphere to remove the interface layer, after supplying the oxygen and heating the body in the inert gas atmosphere, to generate a ceramic matrix composite in which the matrix is interposed between the fibers.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 16, 2022
    Inventors: Kosuke NISHIKAWA, Akira FUKUSHIMA, Ryoma NOGAMI, Azusa TAMUGI
  • Publication number: 20210384789
    Abstract: An armature which radially faces a magnetic field-producing unit equipped with a magnet unit having a plurality of magnetic poles includes a housing, an armature core, a multi-phase armature winding, and bus bars. The housing includes a cylinder and a disc-shaped end plate placed in contact with one of axially opposed ends of the cylinder. The armature core is disposed on a portion of the cylinder which radially faces the magnet unit. The armature winding is disposed on a portion of the armature core which radially faces the magnet unit. The bus bars electrically connect phase windings of the armature winding together. The armature also includes a bus bar module which is of a circular or C-shape extending along the circumference of the armature core. The bus bar module is secured to the cylinder, the end plate, or one of axially opposed ends of the armature core.
    Type: Application
    Filed: August 25, 2021
    Publication date: December 9, 2021
    Applicant: DENSO CORPORATION
    Inventors: Yuki MAWATARI, Akito TAMURA, Hiroyuki TSUCHIYA, Akira FUKUSHIMA, Yuki TAKAHASHI
  • Patent number: 11038453
    Abstract: A rotating electric machine drive system includes: a rotating electric machine equipped with: a rotor having one magnetic pole configured by permanent magnets, and a salient pole portion that is magnetically convex in a radial direction; and a stator wound with a multiphase stator winding; an inverter for supplying electric power to the stator winding; and a control unit for controlling energization current of the inverters. The control unit performs energization control of the stator winding such that a fundamental wave current at a fundamental frequency synchronized with a rotational speed of the rotor, and a harmonic current that is triple the fundamental frequency flow in the stator winding, and such that energization of the harmonic current generates a stator magnetic field having a specified lead phase or delay phase with respect to a third-order magnetic field of the rotor.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: June 15, 2021
    Assignee: DENSO CORPORATION
    Inventors: Makoto Taniguchi, Takumi Inoue, Kazushige Okumoto, Akira Fukushima
  • Patent number: 10910902
    Abstract: In a rotary electric machine, each of teeth of a stator core is provided with a covering portion. The covering portion of each of the teeth is made of a soft magnetic material having a lower iron loss factor than each steel plate. The covering portion of each of the teeth covers at least a part of a surface of the corresponding one of the teeth.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 2, 2021
    Assignee: DENSO CORPORATION
    Inventors: Makoto Taniguchi, Akira Fukushima
  • Publication number: 20200162002
    Abstract: A rotating electric machine drive system includes: a rotating electric machine equipped with: a rotor having one magnetic pole configured by permanent magnets, and a salient pole portion that is magnetically convex in a radial direction; and a stator wound with a multiphase stator winding; an inverter for supplying electric power to the stator winding; and a control unit for controlling energization current of the inverters. The control unit performs energization control of the stator winding such that a fundamental wave current at a fundamental frequency synchronized with a rotational speed of the rotor, and a harmonic current that is triple the fundamental frequency flow in the stator winding, and such that energization of the harmonic current generates a stator magnetic field having a specified lead phase or delay phase with respect to a third-order magnetic field of the rotor.
    Type: Application
    Filed: January 10, 2020
    Publication date: May 21, 2020
    Applicant: DENSO CORPORATION
    Inventors: Makoto TANIGUCHI, Takumi INOUE, Kazushige OKUMOTO, Akira FUKUSHIMA
  • Publication number: 20200106312
    Abstract: A rotary electrical machine is equipped with a rotor that is rotatably supported, and a stator having a stator core that is disposed coaxially with the rotor. The stator core is configured as a plurality of stacked steel plates, and has a yoke portion that is of annular shape, a plurality of teeth extending radially from the yoke portion, and slots between adjacent teeth. A stator winding is wound in the slots. The yoke portion has holes that extend in the stacking direction of the steel plates, at positions of radial-direction extension of the slots, and molded powder bodies formed from a magnetic powder are provided within the holes.
    Type: Application
    Filed: December 3, 2019
    Publication date: April 2, 2020
    Applicant: DENSO CORPORATION
    Inventors: Makoto TANIGUCHI, Akira FUKUSHIMA, Ken MATSUBARA, Satoshi DOI
  • Publication number: 20200050954
    Abstract: An information processing apparatus according to one embodiment includes first and second processing circuitry. The first processing circuitry acquires traveling data including a plurality of features of a mobile apparatus based on a travelling state of the mobile apparatus. The second processing circuitry calculates a predicted value of consumed energy of the mobile apparatus based on a first classification rule and the traveling data, the first classification rule associating a plurality of first conditions with a plurality of first prediction models for the consumed energy used on satisfaction of the first conditions being associated with at least one of the plurality of features. The second processing circuitry determines whether update of the first classification rule is required based on a difference between the predicted value and an actual value. The second processing circuitry generates a second classification rule based on the traveling data if the update is required.
    Type: Application
    Filed: August 8, 2019
    Publication date: February 13, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION, TOSHIBA DIGITAL SOLUTIONS CORPORATION
    Inventors: Akira Fukushima, Takahiro Yamamoto, Hideyuki Aisu, Yusuke Shimokawa, Yasuhiro Shibata, Makoto Kano
  • Patent number: 10523070
    Abstract: In a rotor for a rotary electric machine, a claw pole assembly includes first claw poles and second claw poles. An annular cover member covers the outer circumferential surfaces of the first and second claw poles. The pole cover segments and the inter-pole cover segments are alternately arranged in the circumferential direction of the rotor. Each of the pole cover segments has a circular-arc shape around a first center, and each of the inter-pole cover segments has a circular-arc shape around a second center different from the first center. The first circumferential width of each pole cover segment and the second circumferential width of a corresponding one of the inter-pole segment adjacent to the pole cover segment have a predetermined ratio. The predetermined ratio varies in an axial direction of the rotor.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: December 31, 2019
    Assignee: DENSO CORPORATION
    Inventors: Akira Fukushima, Yuuki Takahashi, Makoto Taniguchi
  • Publication number: 20190379252
    Abstract: In a rotary electric machine, each of teeth of a stator core is provided with a covering portion. The covering portion of each of the teeth is made of a soft magnetic material having a lower iron loss factor than each steel plate. The covering portion of each of the teeth covers at least a part of a surface of the corresponding one of the teeth.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Applicant: DENSO CORPORATION
    Inventors: Makoto TANIGUCHI, Akira FUKUSHIMA
  • Patent number: 10505424
    Abstract: Each of phase windings includes parallel windings for each phase connected together in parallel, and the parallel windings include power-wire partial windings connected to a power supply side, neutral-line partial windings connected to a neutral point, and at least one of a set of 5-pitch and 7-pitch jumper wires, the power-wire partial windings, the neutral-wire partial windings, and the jumper wires being included in the plurality of partial windings forming the parallel windings. For two of the three phases, each of the 5-pitch jumper wires and a corresponding one of the 7-pitch jumper wires overlap each other, and for the remaining single phase, two of the 5-pitch jumper wires are spaced from each other in the circumferential direction, and each of the power-wire partial windings is adjacent to another power-wire partial winding for an identical phase or to a corresponding one of the neutral-line partial windings for a different phase.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: December 10, 2019
    Assignee: DENSO CORPORATION
    Inventors: Akito Tamura, Akira Fukushima
  • Publication number: 20190372408
    Abstract: A rotating electric machine comprises a rotor having a plurality of magnetic pole parts in a peripheral direction, and at least one stator arranged coaxially with the rotor and on at least one of an outer peripheral side and an inner peripheral side of the magnetic pole parts. The stator comprises a stator core having a plurality of slots in the peripheral direction, and a stator winding wound around the slots. The stator core comprises an annular yoke and a plurality of teeth extending in a radial direction from the yoke toward the magnetic pole parts, and the teeth are configured such that their width in the peripheral direction becomes narrower and their thickness in an axial direction becomes thicker toward a radially inner side from a radially outer side.
    Type: Application
    Filed: August 12, 2019
    Publication date: December 5, 2019
    Applicant: DENSO CORPORATION
    Inventors: Makoto TANIGUCHI, Akira FUKUSHIMA