Patents by Inventor Yusaku Yoshida

Yusaku Yoshida 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: 11330350
    Abstract: A field device according to one aspect of the present invention includes a plurality of types of sensors, at least one converter configured to acquire measured results of the plurality of types of sensors and to convert the measured results into measured information, the measured information being a physical quantity, and an information providing device configured to acquire and store the measured information from the at least one converter and to provide the stored measured information to an outside of the field device in a case that a predetermined condition is satisfied.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: May 10, 2022
    Assignee: Yokogawa Electric Corporation
    Inventors: Takashi Arai, Yusaku Yoshida, Shuichi Sato, Ikuhiko Ishikawa
  • Publication number: 20220112583
    Abstract: Provided is a hard particle in which Cr and W, that are quickly diffused in Mo, are present at the same time as Ni and Mn. Specifically, the hard particle contains Cr: 5% by mass to 20% by mass, W: 2% by mass to 19% by mass, Mo: 25% by mass to 40% by mass, Ni: 10% by mass to 22% by mass, Mn: 10% by mass or less, C: 2.0% by mass or less, Si: 2.0% by mass or less, and a remainder: Fe and unavoidable impurities.
    Type: Application
    Filed: October 5, 2021
    Publication date: April 14, 2022
    Applicants: TOYOTA JIDOSHA KUBUSHIKI KAISHA, FINE SINTER CO., LTD
    Inventors: Yuki KAMO, Yusaku YOSHIDA, Yuta INOUE
  • Patent number: 11251666
    Abstract: A motor includes a rotating shaft extending along a central axis, a stator core arranged about the rotating shaft by being centered on the central axis, a housing arranged about the stator core in a circumferential direction and including an opening on one side in an axial direction, and a support covering the opening. A functional component is mounted on at least one side of the support in the axial direction. The motor further includes a fastener disposed in the axial direction to secure the support, the stator core, and the housing.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: February 15, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Yusaku Yoshida, Tatsuya Onishi, Xiao Zhang, Yu Wang
  • Patent number: 11228217
    Abstract: A bus bar assembly includes bus bars and a bus bar holder that is made of an insulating material and holds the bus bars in a non-contact state. The bus bars include base portions that overlap with other bus bars in the axial direction, and connecting portions extending from the base portions along the radial direction. At least two of the bus bars include stepped portions extending toward the other bus bars between proximal ends of the connecting portions and connection ends connected to windings. The bus bar holder molds the base portions and the stepped portions in a state where the connection ends are exposed.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: January 18, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Yusaku Yoshida, Takao Atarashi, Chiharu Kobayashi, Kentaro Sato
  • Patent number: 11228220
    Abstract: A bus-bar unit includes bus-bars and a bus-bar holder supporting the bus-bars. Each bus-bar includes first and second bus-bar pieces. The first bus-bar piece includes a coil wire connection portion connected to a coil wire drawn from the stator and a first joint terminal joined to the second bus-bar piece. The second bus-bar piece includes an external connection terminal connected to an external apparatus and a second joint terminal joined to the first bus-bar piece. At least a portion of the first bus-bar pieces is embedded in the bus-bar holder. The first joint terminal includes a joint surface which faces and is joined to the second joint terminal and an opposite surface facing a side opposite to the joint surface. The joint surface and the opposite surface of the first joint terminal are exposed from the bus-bar holder.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: January 18, 2022
    Assignee: NIDEC CORPORATION
    Inventors: Masanori Yoshikawa, Yusaku Yoshida, Hideo Fujiwara, Takashi Seguchi, Kosuke Ogawa
  • Patent number: 11211916
    Abstract: A resonant transducer includes a resonant beam which is formed on a semiconductor substrate, a support beam of which one end is connected to a part of the resonant beam at a predetermined angle, a first electrode which is connected to the resonant beam via the support beam, a second electrode which is disposed adjacent to a center of one side surface of the resonant beam, and a conductor which is disposed between the support beam and the second electrode, the conductor being connected to the first electrode.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: December 28, 2021
    Assignee: Yokogawa Electric Corporation
    Inventors: Takashi Yoshida, Yusaku Yoshida, Makoto Noro, Atsushi Yumoto, Shuhei Yoshita
  • Publication number: 20210368679
    Abstract: A combine harvester includes a threshing device 4 configured to perform a threshing process of threshing reaped grain culm in a threshing chamber 23, in which the threshing chamber 23 includes a threshing cylinder 31 configured to rotate around a front-rear axis X, and an arc-shaped receiving net 32 provided extending along an outer circumferential portion of the threshing cylinder 31, and a top plate 30 covering an upper portion of the threshing chamber 23 is supported detachably along the rotation axis direction of the threshing cylinder 31.
    Type: Application
    Filed: July 30, 2019
    Publication date: December 2, 2021
    Inventors: Takafumi Mitsui, Yusaku Yoshida, Yosuke Sakiyama, Fumisato Nakagawa, Yoshiaki Inoue, Norifumi Takamatsu, Kosaku Noguchi, Ryohei Higashitaki, Toshinari Nishimura
  • Patent number: 11165867
    Abstract: A communication device includes a signal acquirer, a controller, and a wireless communicator. The signal acquirer has terminals for a plurality of types of interfaces for acquiring signals from an external field device. The controller acquires the signals output from the signal acquirer and performs control for externally transmitting digital data based on the signals using wireless communication. The wireless communicator externally transmits the digital data in accordance with a wireless communication scheme based on the control performed by the controller.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: November 2, 2021
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Takashi Arai, Yusaku Yoshida, Shuichi Sato, Hiroo Urabe
  • Publication number: 20210305874
    Abstract: Embodiments of the present application provide a stator, comprising a coil group is provided with a first end part, a second end part, multiple coils respectively wound on a multiple teeth, and a transition line part configured to connect multiple coils, the first end part is provided with a first overlapping part having the same position as at least a part of the second end part in the circumferential direction, the second end part is provided with a second overlapping part having the same position as the first overlapping part in the circumferential direction, and a coil connecting part is connected with the first overlapping part and the second overlapping part.
    Type: Application
    Filed: March 25, 2021
    Publication date: September 30, 2021
    Applicant: NIDEC CORPORATION
    Inventors: Yusaku YOSHIDA, Shunsuke MURAKAMI, Yu WANG, Ting HUANG
  • Patent number: 11105665
    Abstract: An electromagnetic flowmeter measures a flow rate of a liquid of a measurement target that flows in a magnetic field formed within a measurement pipe. The electromagnetic flowmeter includes at least one pair of detection electrodes configured to detect an electromotive force generated due to a flow of the liquid, and configured to output a flow rate signal of a magnitude of the detected electromotive force, a measurement circuit configured to supply an alternating current between the detection electrodes and an earth electrode, and a control calculator configured to control a frequency of the alternating current to be 1 kHz or more, and configured to calculate a conductivity of the liquid whose conductivity is 1 mS/cm or more based on the flow rate signal output when the alternating current flows between the detection electrodes and the earth electrode.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: August 31, 2021
    Assignee: Yokogawa Electric Corporation
    Inventors: Takashi Arai, Yusaku Yoshida, Shuichi Sato, Ikuhiko Ishikawa
  • Patent number: 11088594
    Abstract: A motor includes a rotor, a stator, a housing, a heat sink, a substrate, a connector, and a cover. The connector includes a connector shell with a shell projection or shell recess. The heat sink includes a heat sink body and a heat sink protrusion. The heat sink protrusion includes a heat sink recess or heat sink projection. The shell projection or shell recess, and the heat sink recess or heat sink projection are fitted through a gap.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: August 10, 2021
    Assignee: Nidec Corporation
    Inventors: Takashi Hattori, Yusaku Yoshida, Toshiya Okamoto, Takahiro Kizu, Yuichi Nishikawa
  • Publication number: 20210227753
    Abstract: A lid is supported so as to be open and close by swinging upward and downward about a swing axis that is not parallel with the screw axis of a bottom screw.
    Type: Application
    Filed: July 22, 2019
    Publication date: July 29, 2021
    Inventors: Mamoru Shinya, Yusaku Yoshida, Tsuyoshi Kumatori, Takashi Kitahara, Yoshifumi Tango, Ryohei Higashitaki, Toshinari Nishimura, Masakazu Hino, Shota Hayashi, Nobuki Kitamura
  • Patent number: 11067462
    Abstract: A sensor includes: a pressure vessel filled with an enclosed liquid; a diaphragm that seals the pressure vessel; a sensor body contained in the pressure vessel; an electric wire comprising a wiring electrically connected to the sensor body; a fixture that fixes the electric wire to the pressure vessel; a first fillet at a joining portion between the electric wire and the fixture, wherein the first fillet contacts the enclosed liquid; and a second fillet at a joining portion between the fixture and the pressure vessel, wherein the second fillet contacts the enclosed liquid.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: July 20, 2021
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Toru Hirayama, Yusaku Yoshida, Atsushi Yumoto, Tatsuhiko Miyauchi
  • Publication number: 20210215526
    Abstract: A level indicator with a cover that measures a water level, includes: a water level indicator that measures pressure; and a protective cover that surrounds the water level indicator. The protective cover includes a pressure transmitter that transmits pressure on an outside of the protective cover to an inside of the protective cover.
    Type: Application
    Filed: December 31, 2020
    Publication date: July 15, 2021
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Takashi Arai, Yusaku Yoshida, Tomoyuki Takahashi
  • Publication number: 20210194310
    Abstract: A bus-bar unit includes bus-bars and a bus-bar holder supporting the bus-bars. Each bus-bar includes first and second bus-bar pieces. The first bus-bar piece includes a coil wire connection portion connected to a coil wire drawn from the stator and a first joint terminal joined to the second bus-bar piece. The second bus-bar piece includes an external connection terminal connected to an external apparatus and a second joint terminal joined to the first bus-bar piece. At least a portion of the first bus-bar pieces is embedded in the bus-bar holder. The first joint terminal includes a joint surface which faces and is joined to the second joint terminal and an opposite surface facing a side opposite to the joint surface. The joint surface and the opposite surface of the first joint terminal are exposed from the bus-bar holder.
    Type: Application
    Filed: July 27, 2018
    Publication date: June 24, 2021
    Inventors: Masanori YOSHIKAWA, Yusaku YOSHIDA, Hideo FUJIWARA, Takashi SEGUCHI, Kosuke OGAWA
  • Publication number: 20210152044
    Abstract: A bus-bar unit includes bus-bars and a bus-bar holder supporting the bus-bars. The bus-bar includes a first and a second bus-bar piece, including a plate. The first bus-bar piece includes a coil wire connecting portion connected to a coil wire drawn from a stator, and a first junction terminal joined to the second bus-bar piece. The second bus-bar piece includes an external connection terminal connected to an external device, a second junction terminal joined to the first bus-bar piece, and a second piece main body connecting them. The second piece main body has a first extension extending from the external connection terminal along a direction perpendicular or substantially perpendicular to the axial direction, a second extension extending from the second junction terminal along a direction perpendicular or substantially perpendicular to the axial direction, and a crank portion located between them and bent in a crank shape in a plate thickness direction.
    Type: Application
    Filed: July 27, 2018
    Publication date: May 20, 2021
    Inventors: Masanori YOSHIKAWA, Yusaku YOSHIDA, Hideo FUJIWARA, Takashi SEGUCHI, Kosuke OGAWA
  • Patent number: 10958131
    Abstract: A motor includes a rotor, a stator, a housing, a substrate, a connector, and a cover. The cover includes a covering wall that extends axially downward from a radial outer rim and covers at least a portion of the radial outer rim of the connector, and a cover recess that is radially inward from the covering wall and is depressed axially. The connector includes a connector projection that is provided in a radial outer edge area and extends axially, and the connector projection and the cover recess are fitted together through a gap.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 23, 2021
    Assignee: NIDEC CORPORATION
    Inventors: Takashi Hattori, Yusaku Yoshida, Toshiya Okamoto, Takahiro Kizu, Yuichi Nishikawa
  • Publication number: 20200381966
    Abstract: A motor includes a rotating shaft extending along a central axis, a stator core arranged about the rotating shaft by being centered on the central axis, a housing arranged about the stator core in a circumferential direction and including an opening on one side in an axial direction, and a support covering the opening. A functional component is mounted on at least one side of the support in the axial direction. The motor further includes a fastener disposed in the axial direction to secure the support, the stator core, and the housing.
    Type: Application
    Filed: March 20, 2020
    Publication date: December 3, 2020
    Inventors: Yusaku YOSHIDA, Tatsuya ONISHI, Xiao ZHANG, Yu WANG
  • Publication number: 20200381978
    Abstract: A motor includes a housing and a first press-in member pressed into the housing. An inner surface of the housing is provided with a first opposing surface and a second opposing surface opposite to the first press-in member in a radial direction. The first opposing surface is located on a side of the second opposing surface in an axial direction. The first opposing surface abuts against a portion of a surface of the first press-in member in the radial direction, and at least a portion of a surface, abutting against the first press-in member, of the first opposing surface is a smooth surface. The second opposing surface does not abut against the first press-in member in the radial direction, and includes a roughened surface.
    Type: Application
    Filed: March 23, 2020
    Publication date: December 3, 2020
    Inventors: Tatsuya ONISHI, Yusaku YOSHIDA
  • Publication number: 20200381976
    Abstract: A motor includes a rotor, a stator opposite to the rotor in a radial direction, and a housing accommodating the stator and the rotor. The housing includes a body portion and an accommodating portion disposed on a radially outer side of the body portion, having an opening located on a side of the rotor and the stator in an axial direction, and providing, with the body portion, a through-hole capable of accommodating a conducting wire. An inner wall of the accommodating portion includes a first guiding wall. A first end portion on a side of the first guiding wall in the axial direction is located closer to a radially inner side than a second end portion on another side of the first guiding wall in the axial direction. The first guiding wall includes an inclined surface inclined from the second end portion toward the first end portion.
    Type: Application
    Filed: March 25, 2020
    Publication date: December 3, 2020
    Inventors: Yusaku YOSHIDA, Tatsuya ONISHI, Xiao ZHANG