Patents by Inventor Hirofumi Yoshida

Hirofumi 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: 12292656
    Abstract: According to an aspect, an electro-optical device includes: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed facing the first substrate; a second electrode disposed on the second substrate and facing the first electrode; and a liquid crystal layer provided between the first electrode and the second electrode. The second electrode includes a plurality of divided electrodes arranged in a first direction. Two divided electrodes adjacent to each other among the divided electrodes are disposed with a slit interposed between the two divided electrodes.
    Type: Grant
    Filed: January 18, 2024
    Date of Patent: May 6, 2025
    Assignee: Japan Display Inc.
    Inventors: Hirofumi Ohira, Koji Yoshida
  • Publication number: 20250123519
    Abstract: A light adjustment device includes a panel unit in which a plurality of light adjustment panels are stacked in a first direction, wherein each of the light adjustment panels includes a first substrate, a second substrate overlapping the first substrate, a liquid crystal layer positioned between the first and second substrates, a first seal material extending along the edge of the liquid crystal layer between the first and second substrates and provided with an injection opening, and a second seal material sealing the injection opening, the second seal material protruding outward from the edge of the light adjustment panel when viewed in a first direction, and when each of the light adjustment panels is sequentially designated as one light adjustment panel, the second seal material of the one light adjustment panel is positioned inside the edges of the other light adjustment panels other than the one light adjustment panel.
    Type: Application
    Filed: December 23, 2024
    Publication date: April 17, 2025
    Inventors: Masato YOSHIDA, Hirofumi OHIRA
  • Publication number: 20250116273
    Abstract: A rotary compressor 100 includes a drive shaft 101 having an eccentric shaft 101a, a piston 102 fitted onto the eccentric shaft 101a, a cylinder 103 that receives the eccentrically rotating piston 102, an upper end plate 104 and a lower end plate 105 that close the upper and lower opening surfaces of the cylinder 103, a vane 106 that divides a space formed by the cylinder 103, the piston 102, the upper end plate 104, and the lower end plate 105 into a suction chamber 113 and a compression chamber 114, a discharge space 117 that is formed by causing the cover 108 to close a recessed portion 107 obtained by recessing a surface of either the upper end plate 104 or the lower end plate 105 on the opposite side to the cylinder 103 and where discharge gas flows in from the compression chamber 114 and directly flows out to the outside of the compressor 100, and spatial volume of the discharge space 117 having 10 times enclosed volume of the cylinder 103, thereby reducing noise and vibration due to discharge pulsation
    Type: Application
    Filed: August 29, 2022
    Publication date: April 10, 2025
    Inventors: Hirofumi YOSHIDA, Akifumi HYODO, Yusuke IMAI
  • Patent number: 12269733
    Abstract: A micro vibration body includes a curved surface portion, which has an annular curved surface, and a recessed portion, which is recessed from the curved surface portion. A mounting substrate includes an inner frame portion and electrode portions, which surround an inner frame portion. A joining member is provided in an inner region of the mounting substrate surrounded by the inner frame portion. The recessed portion of the micro vibration body has a bottom surface defining a mounted surface located in the inner region and joined to the mounting substrate via the joining member. The curved surface portion has a rim that includes an end portion of the curved surface portion on an opposite side to the recessed portion. The rim has a rim lower surface located on a same plane as the mounted surface or a tip end portion of the mounted surface.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: April 8, 2025
    Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, MIRISE Technologies Corporation
    Inventors: Keitaro Ito, Shota Harada, Katsuaki Goto, Yuuki Inagaki, Teruhisa Akashi, Hirofumi Funabashi, Takahiko Yoshida, Yusuke Kawai
  • Patent number: 12248221
    Abstract: According to an aspect, a display device includes: a substrate having a display region; and a plurality of temperature detection wiring lines each having a conductive thin wiring line arranged at a position overlapping with the display region in plan view. A light shielding layer is arranged so as to extend in a first direction in the display region, and the conductive thin wiring line is arranged at a position overlapping with the light shielding layer and extends in the first direction along the light shielding layer in plan view.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: March 11, 2025
    Assignee: Japan Display Inc.
    Inventors: Koji Yoshida, Hirofumi Ohira, Soichiro Ohama, Toshihiko Tanaka
  • Publication number: 20250076898
    Abstract: Regarding a method of collecting a target object falling through the air by using an unmanned aerial vehicle, the method including: an information transmission step of transmitting state information of the target object falling through the air from the target object; and a collection step of capturing the target object by an unmanned aerial vehicle flying in accordance with command information generated based on the state information.
    Type: Application
    Filed: August 21, 2024
    Publication date: March 6, 2025
    Inventors: Makoto HIRAI, Ichiro OBA, Hirofumi MAEDA, Daisuke YAMAGUCHI, Yohei TAKAYAMA, Masashi YOSHIDA
  • Patent number: 12244948
    Abstract: Pixels output a first signal based on signal charge of a part of photoelectric conversion units of multiple photoelectric conversion units, and a second signal based on signal charge of multiple photoelectric conversion units. An imaging apparatus outputs signals based on the first signals and signals based on the second signals by reducing the number of signals based on the first signals as compared to the number of signals based on the second signals.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: March 4, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Seiji Hashimoto, Atsushi Furubayashi, Takeru Suzuki, Kazuhiro Sonoda, Daisuke Yoshida, Hirofumi Totsuka, Takashi Muto, Yasushi Matsuno
  • Patent number: 12239379
    Abstract: An ophthalmic apparatus includes an inspection unit configured to inspect an eye to be inspected, a driving unit configured to drive the inspection unit, and a control unit configured to start control of the inspection unit and the driving unit based on an inspection protocol in response to a predetermined condition, the inspection protocol defining a series of control procedures for performing a plurality of inspections including an alignment adjustment for aligning the inspection unit with the eye to be inspected, wherein the control unit is configured to display results of the plurality of inspections and display information for accepting an instruction to retry a part of the plurality of inspections on a display unit.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: March 4, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirofumi Yoshida, Yuki Shimozato, Hayato Shioda, Shinya Tanaka, Kazuhide Miyata, Ritsuya Tomita
  • Publication number: 20240328604
    Abstract: A light-emitting device includes a base member having an upper surface and a recess on an upper surface side; a light-emitting element disposed in the recess and configured to emit ultraviolet light; a light-transmissive member disposed on the upper surface; a first inorganic adhesive member disposed on the light-transmissive member; and a lens bonded to the light-transmissive member with the first inorganic adhesive member. An absolute value of a difference in linear expansion coefficient between the base member and the light-transmissive member is smaller than an absolute value of a difference in linear expansion coefficient between the base member and the lens.
    Type: Application
    Filed: March 27, 2024
    Publication date: October 3, 2024
    Applicant: NICHIA CORPORATION
    Inventors: Kazuya TAMURA, Hirofumi YOSHIDA, Yoshiki ENDO
  • Patent number: 11764334
    Abstract: A light emitting device includes a package having an upper surface and an upward-opening recess defined in a portion of the upper surface, at least one light-emitting element in the recess, a light-transmissive member covering the opening of the recess, and an antireflection film on a lower surface of the light-transmissive member, the antireflection film located between the lower surface of the light-transmissive member and an upper surface of the package at a location where a portion of the lower surface of the light-transmissive member is bonded to the upper surface of the package via the antireflection film. A coating film is disposed on at least a portion of an outer surfaces of the light emitting device, the portion including a region where the antireflection film located between the lower surface of the light-transmissive member and the upper surface of the package is exposed.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: September 19, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Naoki Ishida, Takuya Yamanoi, Hirofumi Yoshida
  • Publication number: 20220140202
    Abstract: A light emitting device includes a package having an upper surface and an upward-opening recess defined in a portion of the upper surface, at least one light-emitting element in the recess, a light-transmissive member covering the opening of the recess, and an antireflection film on a lower surface of the light-transmissive member, the antireflection film located between the lower surface of the light-transmissive member and an upper surface of the package at a location where a portion of the lower surface of the light-transmissive member is bonded to the upper surface of the package via the antireflection film. A coating film is disposed on at least a portion of an outer surfaces of the light emitting device, the portion including a region where the antireflection film located between the lower surface of the light-transmissive member and the upper surface of the package is exposed.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 5, 2022
    Applicant: NICHIA CORPORATION
    Inventors: Naoki ISHIDA, Takuya YAMANOI, Hirofumi YOSHIDA
  • Publication number: 20220117486
    Abstract: An ophthalmic apparatus includes an inspection unit configured to inspect an eye to be inspected, a driving unit configured to drive the inspection unit, and a control unit configured to start control of the inspection unit and the driving unit based on an inspection protocol in response to a predetermined condition, the inspection protocol defining a series of control procedures for performing a plurality of inspections including an alignment adjustment for aligning the inspection unit with the eye to be inspected, wherein the control unit is configured to display results of the plurality of inspections and display information for accepting an instruction to retry a part of the plurality of inspections on a display unit.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 21, 2022
    Inventors: Hirofumi Yoshida, Yuki Shimozato, Hayato Shioda, Shinya Tanaka, Kazuhide Miyata, Ritsuya Tomita
  • Patent number: 11264541
    Abstract: A light emitting device includes a package having an upper surface and an upward-opening recess defined in a portion of the upper surface, at least one light-emitting element in the recess, a light-transmissive member covering the opening of the recess, and an antireflection film on a lower surface of the light-transmissive member, the antireflection film located between the lower surface of the light-transmissive member and an upper surface of the package at a location where a portion of the lower surface of the light-transmissive member is bonded to the upper surface of the package via the antireflection film. A coating film is disposed on at least a portion of an outer surfaces of the light emitting device, the portion including a region where the antireflection film located between the lower surface of the light-transmissive member and the upper surface of the package is exposed.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: March 1, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Naoki Ishida, Takuya Yamanoi, Hirofumi Yoshida
  • Publication number: 20200287092
    Abstract: A light emitting device includes a package having an upper surface and an upward-opening recess defined in a portion of the upper surface, at least one light-emitting element in the recess, a light-transmissive member covering the opening of the recess, and an antireflection film on a lower surface of the light-transmissive member, the antireflection film located between the lower surface of the light-transmissive member and an upper surface of the package at a location where a portion of the lower surface of the light-transmissive member is bonded to the upper surface of the package via the antireflection film. A coating film is disposed on at least a portion of an outer surfaces of the light emitting device, the portion including a region where the antireflection film located between the lower surface of the light-transmissive member and the upper surface of the package is exposed.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 10, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Naoki ISHIDA, Takuya YAMANOI, Hirofumi YOSHIDA
  • Publication number: 20200253470
    Abstract: Provided is an optical tomographic imaging apparatus including: a determination unit for determining whether or not an optical member for changing a field angle has been inserted between a scanning unit and an object to be inspected to change a field angle of an acquiring area of a tomographic image; and a switching unit for switching a value of at least one parameter among a control parameter of a control portion for the optical tomographic imaging apparatus, a signal processing parameter of a calculation processing portion, an image processing parameter, and an analysis processing parameter, based on a determination result from the determination unit. Accordingly, a preferred tomographic image of the object is acquired by switching values of various parameters to suitable values even when the optical member for changing a field angle is inserted to change the field angle of the acquiring area of the tomographic image.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Inventors: Akihito Uji, Nagahisa Yoshimura, Tomoyuki Makihira, Hirofumi Yoshida
  • Patent number: 10233929
    Abstract: A rotary compressor having two cylinders includes crankshaft having first eccentric portion and second eccentric portion connected to each other by connecting portion. The rotary compressor further includes two compressive elements that compress working fluid in cylinder as first piston inserted over first eccentric portion eccentrically rotates in accordance with rotation of crankshaft. Further, first piston inserted over first eccentric portion undergoes assembly by being inserted over first eccentric portion through second eccentric portion. Further, a releasing portion is provided at each of outer diameter portions of first eccentric portion and second eccentric portion.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: March 19, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hiroaki Nakai, Hirofumi Yoshida, Shingo Oyagi, Yu Shiotani, Tsuyoshi Karino
  • Patent number: 10233930
    Abstract: A rotary compressor having two cylinders includes crankshaft having first eccentric portion and second eccentric portion connected to each other by connecting portion. The rotary compressor further includes two compressive elements that compress working fluid in cylinder as first piston inserted over first eccentric portion eccentrically rotates in accordance with rotation of crankshaft. Further, first piston inserted over first eccentric portion undergoes assembly by being inserted over first eccentric portion through second eccentric portion. Further, a releasing portion is provided at each of outer diameter portions of first eccentric portion and second eccentric portion.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: March 19, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hiroaki Nakai, Hirofumi Yoshida, Shingo Oyagi, Yu Shiotani, Tsuyoshi Karino
  • Patent number: 10165942
    Abstract: Focus adjustment is enabled with respect to an object to be inspected even when an optical member for changing a field angle is inserted in order to change the field angle of an acquiring area of a tomographic image, and a clear tomographic image with a focus on the object to be inspected is acquired. In an optical tomographic imaging apparatus, an optical system includes a focus lens configured to focus a measuring light on the object to be inspected. The optical tomographic imaging apparatus includes a unit configured to compensate, when an optical member for changing a field angle is inserted between a scanning unit and the object to be inspected in order to change the field angle of an acquiring area of a tomographic image, a change in a focus position of the focus lens in association with the inserting.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: January 1, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Uji, Nagahisa Yoshimura, Hirofumi Yoshida, Tomoyuki Makihira
  • Publication number: 20180353063
    Abstract: Provided is an optical tomographic imaging apparatus including: a determination unit for determining whether or not an optical member for changing a field angle has been inserted between a scanning unit and an object to be inspected to change a field angle of an acquiring area of a tomographic image; and a switching unit for switching a value of at least one parameter among a control parameter of a control portion for the optical tomographic imaging apparatus, a signal processing parameter of a calculation processing portion, an image processing parameter, and an analysis processing parameter, based on a determination result from the determination unit. Accordingly, a preferred tomographic image of the object is acquired by switching values of various parameters to suitable values even when the optical member for changing a field angle is inserted to change the field angle of the acquiring area of the tomographic image.
    Type: Application
    Filed: January 7, 2016
    Publication date: December 13, 2018
    Inventors: Akihito Uji, Nagahisa Yoshimura, Tomoyuki Makihira, Hirofumi Yoshida
  • Publication number: 20180291899
    Abstract: A rotary compressor having two cylinders includes crankshaft having first eccentric portion and second eccentric portion connected to each other by connecting portion. The rotary compressor further includes two compressive elements that compress working fluid in cylinder as first piston inserted over first eccentric portion eccentrically rotates in accordance with rotation of crankshaft. Further, first piston inserted over first eccentric portion undergoes assembly by being inserted over first eccentric portion through second eccentric portion. Further, a releasing portion is provided at each of outer diameter portions of first eccentric portion and second eccentric portion.
    Type: Application
    Filed: June 8, 2018
    Publication date: October 11, 2018
    Inventors: Hiroaki NAKAI, Hirofumi YOSHIDA, Shingo OYAGI, Yu SHIOTANI, Tsuyoshi KARINO