Patents by Inventor Osamu Yamashita

Osamu Yamashita 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: 10551229
    Abstract: A preamplifier substrate on which a preamplifier is mounted, the preamplifier being configured to amplify electromotive forces detected by a pair of surface electrodes, is disposed outside a flux region where a magnetic flux is produced, and the preamplifier substrate extends in a direction intersecting a measuring tube.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: February 4, 2020
    Assignee: AZBIL CORPORATION
    Inventors: Osamu Momose, Hiroyuki Inagaki, Kouichi Mamada, Yoshio Yamazaki, Takumi Yamashita
  • Patent number: 10527471
    Abstract: A first connection line includes a first tube-side wiring pattern formed on an outer periphery of a measuring tube and connected at one end thereof to a first surface electrode, a first substrate-side wiring pattern formed on a preamplifier substrate and connected at one end thereof to a preamplifier, and a first jumper wire connecting the other end of the first tube-side wiring pattern to the other end of the first substrate-side wiring pattern; and a second connection line includes a second tube-side wiring pattern formed on the outer periphery of the measuring tube and connected at one end thereof to a second surface electrode, a second substrate-side wiring pattern formed on the preamplifier substrate and connected at one end thereof to the preamplifier, and a second jumper wire connecting the other end of the second tube-side wiring pattern to the other end of the second substrate-side wiring pattern.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: January 7, 2020
    Assignee: AZBIL CORPORATION
    Inventors: Osamu Momose, Hiroyuki Inagaki, Kouichi Mamada, Yoshio Yamazaki, Takumi Yamashita
  • Publication number: 20190389533
    Abstract: An actuating device is part of a bicycle hydraulic operating system that also includes an additional actuating device and a hydraulic operated device. The hydraulic operated device includes a slave cylinder fluidly connected to an additional master cylinder of the additional actuating device such that operation of an additional operating member of the additional actuating device moves the slave piston. The actuating device includes an operating member, a master cylinder, a master piston and a fluid port. The fluid port fluidly connects the master cylinder to the slave fluid port such that operation of the operating member moves the slave piston. The actuating device has no fluid reservoir. The master cylinder of the actuating device is fluidly connected to the additional master cylinder of the additional actuating device at a point upstream of the fluid port with respect to a flow of hydraulic fluid towards the hydraulic operated device.
    Type: Application
    Filed: September 6, 2019
    Publication date: December 26, 2019
    Inventors: Osamu KARIYAMA, Takahiro YAMASHITA, Masahiro NAKAKURA
  • Patent number: 10507967
    Abstract: In a vacuum insulating container, an outer cylinder has a first annular wall that extends radially inward so as to be inclined with respect to an aperture plane of the outer cylinder at an open end of the outer cylinder and has a tip end part spaced apart from an outer peripheral surface of the inner cylinder; an inner cylinder has a second annular wall that extends radially outward so as to be inclined with respect to the aperture plane of the inner cylinder at an open end of the inner cylinder and faces the first annular wall; and an annular sealing member formed of an elastic body having a low thermal conductivity is compressed between the first annular wall and the second annular wall.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: December 17, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu Yamashita
  • Patent number: 10511212
    Abstract: A motor includes poles P having a remanence Mr of 0.9 T or more, a coercivity HcJ of 0.80 MA/m or more, and a maximum energy product (BH)max of 150 kJ/m3 or more, which sets a center point Pc of the magnetic poles in a circumferential direction on a rotor outer circumferential surface to a maximum thickness tmax, wherein when a line connecting the Pc and a rotational axis center Rc is Pc-Rc, a straight line connecting an arbitrary point Px in the circumferential direction on the rotor outer circumferential surface and the Rc is Px-Rc, an apex angle of the lines Pc-Rc and Px-Rc is ?, a number of pole pairs is Pn, a circumferential direction magnetic pole end is Pe, and a magnetic pole end biasing distance ?LPe of the circumferential direction magnetic pole ends Pe is ?×tmax (? is a coefficient).
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: December 17, 2019
    Assignee: MINEBEA MITSUMI INC.
    Inventors: Fumitoshi Yamashita, Osamu Yamada, Shiho Ohya, Akihiro Yamane
  • Patent number: 10451306
    Abstract: An air-conditioning apparatus, including an outdoor unit including a compressor and an outdoor heat exchanger, a plurality of indoor units each including an indoor heat exchanger, and a relay unit configured to distribute refrigerant supplied from the outdoor unit to the plurality of indoor units, the relay unit including a first branch unit in which liquid-side pipes connected to the plurality of indoor units join together, and a refrigerant shutoff valve, which is configured to control bidirectional flow of the refrigerant, and is provided to the first branch unit, the number of the refrigerant shut off valve being smaller than a number of the plurality of indoor units.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: October 22, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Naofumi Takenaka, Shinichi Wakamoto, Yuji Motomura, Osamu Morimoto, Hirofumi Koge, Koji Yamashita
  • Patent number: 10443776
    Abstract: Provided is a decompression heat-insulating pipe structure that can be used in the system operating at high temperatures. A decompression heat-insulating pipe structure of the present disclosure includes: an outer tube and an inner tube each having a flange; and a seal member between the flanges, the seal member being configured to keep a space between the outer tube and the inner tube in a decompression state, and a shifting means configured to shift the outer tube and the inner tube relatively so as to selectively dispose the tubes at a pressing position to press the seal member between the flanges and at a cancellation position to cancel the pressing of the seal member.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: October 15, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu Yamashita
  • Patent number: 10442495
    Abstract: A bicycle hydraulic operating system includes first and second actuating devices and a hydraulic operated device. The first actuating device includes a first operating member, a first master cylinder and a first master piston. The first master piston moves in the first master cylinder in response to operation of the first operating member. The second actuating device includes a second operating member, a second master cylinder and a second master piston. The second master piston moves in the second master cylinder in response to operation of the second operating member. The hydraulic operated device includes a slave cylinder and a slave piston that is movably arranged in the slave cylinder. The slave cylinder has a slave fluid port that is connected to first and second fluid ports of the first and second master cylinders. Operation of either of the first and second operating members moves the slave piston.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: October 15, 2019
    Assignee: Shimano Inc.
    Inventors: Osamu Kariyama, Takahiro Yamashita, Masahiro Nakakura
  • Patent number: 10438742
    Abstract: A manufacturing method of a rare-earth magnet includes: manufacturing a sintered body having by performing pressing on a magnetic powder for a rare-earth magnet; and manufacturing a rare-earth magnet by putting the sintered body in a plastic working mold and by performing hot plastic working on the sintered body while pressing the sintered body to give anisotropy to the sintered body. The sintered body has a cuboid shape and includes at least one recessed side face that has a recessed portion curved inward. The plastic working mold includes a lower die, a side die forming a rectangular frame of four side faces, and an upper die slidable in the side die. The hot plastic working is hot upsetting.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: October 8, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Dai Kobuchi, Eisuke Hoshina, Daisuke Ichigosaki, Osamu Yamashita
  • Publication number: 20190285445
    Abstract: A first connection line includes a first tube-side wiring pattern formed on an outer periphery of a measuring tube and connected at one end thereof to a first surface electrode, a first substrate-side wiring pattern formed on a preamplifier substrate and connected at one end thereof to a preamplifier, and a first jumper wire connecting the other end of the first tube-side wiring pattern to the other end of the first substrate-side wiring pattern; and a second connection line includes a second tube-side wiring pattern formed on the outer periphery of the measuring tube and connected at one end thereof to a second surface electrode, a second substrate-side wiring pattern formed on the preamplifier substrate and connected at one end thereof to the preamplifier, and a second jumper wire connecting the other end of the second tube-side wiring pattern to the other end of the second substrate-side wiring pattern.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 19, 2019
    Applicant: AZBIL CORPORATION
    Inventors: Osamu MOMOSE, Hiroyuki INAGAKI, Kouichi MAMADA, Yoshio YAMAZAKI, Takumi YAMASHITA
  • Publication number: 20190285446
    Abstract: A preamplifier substrate on which a preamplifier is mounted, the preamplifier being configured to amplify electromotive forces detected by a pair of surface electrodes, is disposed outside a flux region where a magnetic flux is produced, and the preamplifier substrate extends in a direction intersecting a measuring tube.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 19, 2019
    Applicant: AZBIL CORPORATION
    Inventors: Osamu MOMOSE, Hiroyuki INAGAKI, Kouichi MAMADA, Yoshio YAMAZAKI, Takumi YAMASHITA
  • Patent number: 10359144
    Abstract: An intermediate product for a vacuum insulation panel includes an outer covering member having a sealed space, a core material disposed in the sealed space and having heat insulation properties, and a first gas absorbent disposed in the sealed space, sealed by a container having gas barrier properties and absorbing a first specific gas, wherein the first specific gas is sealed in the sealed space, and an unsealing member configured to unseal the container when a pressing force is applied from an outside is attached to the container.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: July 23, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu Yamashita
  • Publication number: 20190062036
    Abstract: A vacuum heat insulating container 1 includes an outer tube 2 having a bottom and an inner tube 3 having a bottom and an inner tube 3 having a bottom, the outer tube 2 and the inner tube 3 being arranged in such a way that the central axes thereof being a horizontal direction, an opening end of the outer tube 2 and an opening end of the inner tube 3 being bonded to each other, and a depressurized sealed space 8 being formed between the outer tube 2 and the inner tube 3, in which the vacuum heat insulating container further includes a load receiving part 7 for causing the outer tube 2 to support the inner tube 3, and the location of the load receiving part 7 in a vertical direction coincides with the location of the central axis of the outer tube 2.
    Type: Application
    Filed: July 23, 2018
    Publication date: February 28, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Osamu Yamashita, Takaaki Takahashi
  • Publication number: 20190033000
    Abstract: A double insulating wall structure heating furnace capable of preventing its inner pipe whose strength has decreased due to high-temperature heating from being damaged. A double insulating wall structure heating furnace 1 includes an outer pipe 2 and an inner pipe 3 disposed inside the outer pipe 2, in which a sealed space 8 formed between the outer and inner pipes 2 and 3 is depressurized and a heating space 13 formed inside the inner pipe 3 is heated, and in which a tubular reinforcing member 6 is disposed so as to cover an outer circumference of the inner pipe 3, the tubular reinforcing member being formed of a material having a higher heat resistance and a higher strength than those of the material of the inner pipe 3.
    Type: Application
    Filed: June 11, 2018
    Publication date: January 31, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu YAMASHITA
  • Patent number: 10192679
    Abstract: A method of manufacturing a rare earth magnet includes: preparing a powder by preparing a rapidly-solidified ribbon by liquid solidification, and by crushing the rapidly-solidified ribbon; manufacturing a sintered compact by press-forming the powder; and manufacturing a rare earth magnet by performing hot deformation processing on the sintered compact to impart anisotropy to the sintered compact. In this method, the rapidly-solidified ribbon is a plurality of fine crystal grains. The powder includes a RE-Fe—B main phase and a grain boundary phase of a RE-X alloy present around the main phase. RE represents at least one of Nd and Pr. X represents a metal element. A nitrogen content in the powder is adjusted to be at least 1,000 ppm and less than 3,000 ppm by performing at least one of the preparation of the powder and the manufacturing of the sintered compact in a nitrogen atmosphere.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: January 29, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Kano, Tetsuya Shoji, Osamu Yamashita, Daisuke Ichigozaki
  • Patent number: 10158276
    Abstract: A rotor production method includes: a first step of arranging a plurality of sintered bodies side by side with an insulating lubricant applied to an interface of at least one of the sintered bodies adjacent to each other, and then housing the sintered bodies in a cavity of a molding die such that the sintered bodies are arranged side by side in the cavity, the sintered bodies being precursors of a plurality of split magnets constituting one rare-earth magnet; a second step of turning the sintered bodies into the split magnets by performing hot working to impart magnetic anisotropy to the sintered bodies arranged in the cavity, and producing an integrated magnet in which the split magnets are integrated together with the lubricant interposed therebetween; and a third step of producing a rotor of a motor by inserting the integrated magnet into a magnet slot of the rotor.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: December 18, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu Yamashita
  • Patent number: 10090103
    Abstract: Provided is a method for manufacturing a rare-earth magnet capable of preventing the lubricant from flowing down during hot deformation processing, whereby friction force can be made as uniform as possible at the overall region of the sintered body, and so the rare-earth magnet manufactured can have less distribution of magnetic performance. A method for manufacturing a rare-earth magnet includes: a first step of sintering magnetic powder MF as a material of the rare-earth magnet to prepare a sintered body S; and a second step of placing the sintered body S in a cavity K of a forming die M made up of a die D and a lower punch P and/or an upper punch P sliding in the die D, and performing hot deformation processing of the sintered body S to give magnetic anisotropy to the sintered body to manufacture the rare-earth magnet C.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: October 2, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takaaki Takahashi, Osamu Yamashita, Noriyuki Ueno
  • Publication number: 20180231170
    Abstract: Provided is a decompression heat-insulating pipe structure that can be used in the system operating at high temperatures. A decompression heat-insulating pipe structure of the present disclosure includes: an outer tube and an inner tube each having a flange; and a seal member between the flanges, the seal member being configured to keep a space between the outer tube and the inner tube in a decompression state, and a shifting means configured to shift the outer tube and the inner tube relatively so as to selectively dispose the tubes at a pressing position to press the seal member between the flanges and at a cancellation position to cancel the pressing of the seal member.
    Type: Application
    Filed: January 24, 2018
    Publication date: August 16, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu Yamashita
  • Publication number: 20180224053
    Abstract: A decompression heat-insulating pipe structure that can exhibit the desired heat-insulating performance and is easy to assemble. In the structure, a space between ends of inner and outer tubes is decompressed. The outer tube includes a first flange, which extends radially inward from an axially one end thereof, and a second flange, which extends radially outward from the axially other end thereof. The inner tube includes a third flange, which extends radially inward from an axially one end thereof and is opposed to the first flange at an axially inward position of the first flange, and a fourth flange, which extends radially outward from the axially other end thereof and being opposed to the second flange at an axially outward position of the second flange. First and second elastic seal members are disposed between the first and third flanges and between the second and fourth flanges, respectively.
    Type: Application
    Filed: January 5, 2018
    Publication date: August 9, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu YAMASHITA
  • Publication number: 20180178967
    Abstract: In a vacuum insulating container (1), an outer cylinder (2) has a first annular wall (2e) that extends radially inward so as to be inclined with respect to an aperture plane (2d) of the outer cylinder (2) at an open end of the outer cylinder (2) and has a tip end part (2c) spaced apart from an outer peripheral surface of the inner cylinder (3); an inner cylinder (3) has a second annular wall (3e) that extends radially outward so as to be inclined with respect to the aperture plane (3d) of the inner cylinder 3 at an open end of the inner cylinder (3) and faces the first annular wall (2e); and an annular sealing member (5) formed of an elastic body having a low thermal conductivity is compressed between the first annular wall (2e) and the second annular wall (3e).
    Type: Application
    Filed: November 15, 2017
    Publication date: June 28, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Osamu YAMASHITA