Patents by Inventor Hiroki Sugiyama

Hiroki Sugiyama 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: 20250044008
    Abstract: A rotary freezing device for freezing granules according to an embodiment of the present disclosure includes: a circulation passage; a blowing means for circulating cold air through the circulation passage; a cooler disposed in the circulation passage and configured to cool the cold air; and a cooling drum disposed in the circulation passage and configured to freeze granules by the cold air flowing into an interior of the cooling drum while conveying the granules from an inlet to an outlet
    Type: Application
    Filed: November 10, 2022
    Publication date: February 6, 2025
    Inventors: Jun MIURA, Masashi KATO, Masaaki HANAZAKI, Hiroki ITO, Toshikazu SUGIYAMA
  • Publication number: 20250021746
    Abstract: A document creation support apparatus displays a subject document creation screen for creating a subject document and a reference document display screen for displaying a reference document to be used for creating the subject document, and in a case where a plurality of the reference documents are displayed on the reference document display screen, displays an overlapping part included in the reference document in a non-highlighted manner with respect to a non-overlapping part.
    Type: Application
    Filed: June 19, 2024
    Publication date: January 16, 2025
    Applicant: FUJIFILM Corporation
    Inventors: Shotaro MISAWA, Nobuya KITAMURA, Yukie SUGIYAMA, Hiroki SATO, Hirokazu YARIMIZU, Kohei ONODA
  • Publication number: 20240413227
    Abstract: A hetero-junction bipolar transistor includes an n-type collector layer made of InGaN, a base layer formed on the collector layer and made of GaN, and an emitter layer formed on the base layer and made of a nitride semiconductor containing Al, in which the collector layer, the base layer, and the emitter layer are formed in a state in which the principal surface is a group V polar plane. The base electrode can be formed in contact with the upper part of the base layer around the emitter layer formed in a mesa shape.
    Type: Application
    Filed: November 16, 2021
    Publication date: December 12, 2024
    Inventors: Takuya Hoshi, Yuta Shiratori, Hiroki Sugiyama, Yuki Yoshiya
  • Patent number: 12142672
    Abstract: An emitter contact layer, an emitter layer, a base layer, a p-type base layer, a collector layer, and a sub-collector layer are crystal-grown over a first substrate in this order with the main surface as the Group III polar surface. The emitter contact layer includes a nitride semiconductor that is made n-type at a relatively high concentration. The emitter layer includes a nitride semiconductor having a bandgap larger than that of the nitride semiconductor constituting the emitter contact layer. The base layer includes an undoped nitride semiconductor having a bandgap smaller than that of the nitride semiconductor constituting the emitter layer. The p-type base layer includes the same nitride semiconductor as the base layer and made p-type.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: November 12, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Takuya Hoshi, Yuki Yoshiya, Yuta Shiratori, Hiroki Sugiyama, Minoru Ida, Hideaki Matsuzaki
  • Publication number: 20240306541
    Abstract: A lawn maintenance machine may include: a pair of wheels configured to rotate on a ground; a handle unit configured to be gripped by a user while the lawn maintenance machine is moving; a working unit configured to work on the ground; an electric motor configured to drive the working unit; a fan configured to rotate by operation of the electric motor; a housing configured to support the working unit and housing the electric motor and the fan; and a wall disposed outside the housing and attached to the housing. The housing may have a connection opening which connects an inside and an outside of the housing and through which air flows by a rotation of the fan. The wall may be disposed to face the connection opening.
    Type: Application
    Filed: March 11, 2024
    Publication date: September 19, 2024
    Applicant: MAKITA CORPORATION
    Inventor: Hiroki SUGIYAMA
  • Publication number: 20240306539
    Abstract: The cutter unit of a lawn maintenance machine may include: a shaft; and an even number of cutter blades aligned in a left-right direction extending from the first portion away from a rotation axis. Each of the even number of cutter blades may be attached to the shaft in one of the at least three postures. A number of the cutter blades disposed to a right of a center position may be same as a number of the cutter blades disposed to a left of the center position. A disposition of the cutter blades in the right-left direction as viewed from the center position toward the right may be same as a disposition of the cutter blades in the right-left direction as viewed from the center position toward the left. The postures of two cutter blades being at a same distance from the center position may be same.
    Type: Application
    Filed: March 8, 2024
    Publication date: September 19, 2024
    Applicant: Makita Corporation
    Inventor: Hiroki SUGIYAMA
  • Publication number: 20240274704
    Abstract: A field-effect transistor includes a channel layer made of a compound semiconductor and formed on a substrate; a gate electrode formed on the channel layer; and a source electrode and a drain electrode, which are formed with the gate electrode interposed therebetween. At least one of the source electrode and the drain electrode is formed on a substrate side of the channel layer.
    Type: Application
    Filed: May 27, 2021
    Publication date: August 15, 2024
    Inventors: Takuya Tsutsumi, Hideaki Matsuzaki, Hiroki Sugiyama
  • Publication number: 20240266420
    Abstract: This semiconductor device includes a substrate, a buffer layer formed on the substrate, a first semiconductor layer formed on the buffer layer, a second semiconductor layer formed on the first semiconductor layer, and a channel layer and a barrier layer formed on the second semiconductor layer. The substrate includes a nitride semiconductor doped with impurities to have semi-insulating properties or high resistance, the buffer layer includes GaN, the first semiconductor layer includes GaN doped with an acceptor, and the second semiconductor layer includes AlGaN.
    Type: Application
    Filed: June 2, 2021
    Publication date: August 8, 2024
    Inventors: Yuki Yoshiya, Takuya Hoshi, Hiroki Sugiyama, Hideaki Matsuzaki
  • Patent number: 12020931
    Abstract: A first semiconductor layer, a second semiconductor layer, a channel layer, a barrier layer, and a third semiconductor layer are crystal-grown in this order on a first substrate in the +c axis direction, a second substrate is bonded to the side of the barrier layer of the first substrate, and after that, the first substrate is removed, and the first semiconductor layer is selectively thermally decomposed by heating.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: June 25, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yuki Yoshiya, Takuya Hoshi, Hiroki Sugiyama, Hideaki Matsuzaki
  • Publication number: 20240201531
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer including polymers and liquid crystal molecules, and a light-emitting element. The first substrate includes a transparent substrate, a scanning line, a signal line crossing the scanning line, a switching element electrically connected to the scanning line and the signal line, an organic insulating film overlapping the switching element, and a pixel electrode electrically connected to the switching element. A thickness of the organic insulating film located between the transparent substrate and the pixel electrode is less than a thickness of the organic insulating film overlapping the switching element.
    Type: Application
    Filed: February 14, 2024
    Publication date: June 20, 2024
    Applicant: Japan Display Inc.
    Inventors: Kentaro OKUYAMA, Yoshihide OHUE, Hiroki SUGIYAMA, Tomoyuki TADA
  • Publication number: 20240148251
    Abstract: According to an aspect, a detection device includes: a substrate; a photodiode in which a lower electrode, a semiconductor layer, and an upper electrode are stacked on the substrate in the order as listed; a transistor provided in the photodiode; an insulating layer provided between layers of the substrate and the photodiode; and a planarizing layer covering the insulating layer. The insulating layer comprises a projecting portion that projects toward the photodiode in a direction orthogonal to the substrate. The planarizing layer has a contact hole provided in a position that is below the photodiode and overlaps the projecting portion of the insulating layer. The photodiode is provided on an upper side of the planarizing layer and is also provided so as to cover the contact hole. The lower electrode of the photodiode is electrically coupled to the transistor at a bottom of the contact hole.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 9, 2024
    Inventors: Hiroki SUGIYAMA, Takahiro SHOJI, Yoshihide OHUE, Kaoru TAKETA
  • Patent number: 11940681
    Abstract: A display device includes a front plate, a display panel disposed on a back surface side of the front plate, a backlight disposed on a back surface side of the display panel, a housing that accommodates the backlight, a support member disposed on the back surface side of the front plate and outside the housing, the support member supporting the front plate, and a clamping member clamping an outer edge of the front plate and an outer edge of the support member.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: March 26, 2024
    Assignee: Japan Display Inc.
    Inventors: Takuya Nishimoto, Hiroki Sugiyama
  • Publication number: 20240094585
    Abstract: According to one embodiment, a display device including a first substrate including a first pixel and a second pixel, a second substrate, a liquid crystal layer containing polymer and liquid crystal molecules, and a light emitting element, wherein the second pixel is located between the light emitting element and the first pixel, the first substrate includes a switching element including a semiconductor layer arranged in the first pixel, a pixel electrode, and a first light shielding portion arranged in the second pixel and being adjacent to the semiconductor layer, the first light shielding portion is located between the semiconductor layer and the light emitting element in planar view and located on a side closer to the first pixel than a center of the second pixel.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 21, 2024
    Inventors: Kentaro OKUYAMA, Yoshihide OHUE, Hiroki SUGIYAMA, Tomoyuki TADA
  • Patent number: 11934057
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer including polymers and liquid crystal molecules, and a light-emitting element. The first substrate includes a transparent substrate, a scanning line, a signal line crossing the scanning line, a switching element electrically connected to the scanning line and the signal line, an organic insulating film overlapping the switching element, and a pixel electrode electrically connected to the switching element. A thickness of the organic insulating film located between the transparent substrate and the pixel electrode is less than a thickness of the organic insulating film overlapping the switching element.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: March 19, 2024
    Assignee: Japan Display Inc.
    Inventors: Kentaro Okuyama, Yoshihide Ohue, Hiroki Sugiyama, Tomoyuki Tada
  • Patent number: 11927842
    Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; and a light source. The array substrate includes: signal lines; scanning lines; a grid-shaped organic insulating layer that extends along the scanning lines and the signal lines and overlies the scanning lines and the signal lines; pixel electrodes provided in regions surrounded by the scanning lines and the signal lines; and a first orientation film that covers the pixel electrodes. A portion of each pixel electrodes overlaps a slant surface of the organic insulating layer. The counter substrate includes: a common electrode overlapping the respective pixel electrodes; a protective film that has an insulating capability and a light transmitting capability and covers a side of the common electrode facing the array substrate at least in the display region; and a second orientation film that covers the protective film.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: March 12, 2024
    Assignee: Japan Display Inc.
    Inventors: Hiroki Sugiyama, Kentaro Okuyama, Yoshihide Ohue, Yuuji Oomori
  • Patent number: 11915978
    Abstract: A first regrowth layer and a second regrowth layer comprising GaAs having high resistance are regrown on a surface of an etching stop layer exposed to the bottom of a first groove and a second groove, and then n-type InGaAs is regrown on the first regrowth layer and the second regrowth layer, whereby a source region and a drain region configured to make contact with a channel layer are formed in the first groove and the second groove respectively.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: February 27, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Takuya Hoshi, Yuki Yoshiya, Hiroki Sugiyama, Hideaki Matsuzaki
  • Patent number: 11899313
    Abstract: According to an aspect, a display apparatus includes: a first light-transmissive substrate; a second light-transmissive substrate arranged to face the first light-transmissive substrate; a liquid crystal layer including polymer dispersed liquid crystals sealed between the first light-transmissive substrate and the second light-transmissive substrate; at least one light-emitting device arranged to face at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate; and at least one reflector arranged on at least one of a side surface of the first light-transmissive substrate or a side surface of the second light-transmissive substrate, the side surface of the first or second light-transmissive substrate being on an opposite side of the side surface of the first or second light-transmissive substrate to which the at least one light-emitting device faces, and configured to reflect light at the side surface on the opposite side.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: February 13, 2024
    Assignee: Japan Display Inc.
    Inventors: Manabu Mizuno, Kentaro Okuyama, Hiroshi Inamura, Hiroki Sugiyama
  • Patent number: 11874165
    Abstract: According to an aspect, a detection device includes: a substrate; a photodiode in which a lower electrode, a semiconductor layer, and an upper electrode are stacked on the substrate in the order as listed; a transistor provided in the photodiode; and an insulating layer provided between layers of the transistor and the photodiode. The insulating layer has a contact hole provided in a central portion of the photodiode in plan view. The lower electrode of the photodiode is provided on the insulating layer, is provided continuously in an area overlapping the contact hole, and is electrically coupled to the transistor at a bottom of the contact hole. A first opening is provided in an area of the upper electrode that overlaps the contact hole.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: January 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Hiroki Sugiyama, Takahiro Shoji, Kaoru Taketa
  • Patent number: 11846854
    Abstract: According to one embodiment, a display device including a first substrate including a first pixel and a second pixel, a second substrate, a liquid crystal layer containing polymer and liquid crystal molecules, and a light emitting element, wherein the second pixel is located between the light emitting element and the first pixel, the first substrate includes a switching element including a semiconductor layer arranged in the first pixel, a pixel electrode, and a first light shielding portion arranged in the second pixel and being adjacent to the semiconductor layer, the first light shielding portion is located between the semiconductor layer and the light emitting element in planar view and located on a side closer to the first pixel than a center of the second pixel.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: December 19, 2023
    Assignee: Japan Display Inc.
    Inventors: Kentaro Okuyama, Yoshihide Ohue, Hiroki Sugiyama, Tomoyuki Tada
  • Patent number: 11835830
    Abstract: A display device according to an aspect includes: an array substrate including a plurality of first light-transmitting electrodes each disposed in a corresponding one of pixels; a counter substrate including positions that overlap the first light-transmitting electrodes in a plan view and are provided with a second light-transmitting electrode; a liquid crystal layer including polymer-dispersed liquid crystals filled between the array substrate and the counter substrate; and at least one light emitter configured to emit light toward a side surface of the counter substrate. The array substrate includes, in each of the pixels, a third light-transmitting electrode and a conductive metal layer. The third light-transmitting electrode at least partially overlaps the first light-transmitting electrode in the plan view with an inorganic insulating layer interposed therebetween, and the conductive metal layer is stacked on the third light-transmitting electrode.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: December 5, 2023
    Assignee: Japan Display Inc.
    Inventors: Hiroki Sugiyama, Yoshihide Ohue, Manabu Mizuno, Kentaro Okuyama