Patents by Inventor Tatsuya Sakai

Tatsuya Sakai 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: 20240327295
    Abstract: A method for producing a ceramic body includes: a forming step of forming a forming material containing SiC powders having an average particle size D50 of 15 to 50 ?m and SiC powders having an average particle size D50 of 2 to 8 ?m in a mass ratio of 3:7 to 7:3 to obtain a formed body; and a firing and impregnating step of firing the formed body and impregnating it with metal Si.
    Type: Application
    Filed: February 5, 2024
    Publication date: October 3, 2024
    Applicant: NGK INSULATORS, LTD.
    Inventors: Shoji SAKAI, Tatsuya AKAHANI, Shuhei KUNO
  • Publication number: 20240323800
    Abstract: According to an aspect of the present invention, there is a wireless communication system including: a plurality of end wireless devices that include an antenna and transmit and receive signals to and from a wireless terminal which is a communication target; a plurality of transfer devices that transfer signals which are transmitted and received by the wireless terminal which is a communication target and the end wireless device; and a transfer management device that, in a case where communication status information indicating a status of communication between the wireless terminal and the end wireless devices is received, executes a transfer route control process of controlling paths between the plurality of transfer devices on the basis of the received communication status information, wherein the end wireless devices execute a switching process of controlling operations of the end wireless devices relating to communication between the end wireless devices and the wireless terminal on the basis of the commu
    Type: Application
    Filed: August 6, 2021
    Publication date: September 26, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kenji MIYAMOTO, Yoshihito SAKAI, Tatsuya SHIMADA
  • Publication number: 20240323575
    Abstract: A control device including a collection unit that acquires, at a predetermined cycle, cooperation information, which is information indicating a communication state between a communication system that includes a wireless station including an antenna and an allocation device that allocates a wavelength, and a terminal to be communicated, an analysis unit that analyzes the communication state in the communication system on the basis of the cooperation information, and an allocation control unit that controls execution of wavelength allocation by the allocation device on the basis of an analysis result of the analysis unit.
    Type: Application
    Filed: October 4, 2021
    Publication date: September 26, 2024
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Karin UMEDA, Kota ASAKA, Hiroko NOMURA, Hiroshi O, Yoshihito SAKAI, Hirotaka UJIKAWA, Kenji MIYAMOTO, Yuka OKAMOTO, Tatsuya SHIMADA
  • Publication number: 20240323746
    Abstract: A communication system including one or more base stations that accommodates wireless terminals, one or more transfer apparatuses that transfer uplink communication of the wireless terminal received via the base station to an upper side, and a transfer apparatus controller that controls the one or more transfer apparatuses includes an information acquisition unit that acquires information on wireless communication between the base station and the wireless terminal for each traffic flow, a rate determination unit that determines a shaping rate of the traffic shaping for each traffic flow, so that delay jitter in the base station is mitigated on an upper side with respect to the base station, on the basis of the information on the wireless communication for each traffic flow, and a communication control unit that executes traffic shaping on the upper side with respect to the base station on the basis of the shaping rate determined by the rate determination unit.
    Type: Application
    Filed: October 12, 2021
    Publication date: September 26, 2024
    Inventors: Kenji Miyamoto, Yoshihito SAKAI, Tatsuya SHIMADA, Keita Takahashi
  • Publication number: 20240319599
    Abstract: Gas releasing compositions that can facilitate improved patterning of organometallic resists are described. The gas releasing compositions can release water, carbon dioxide, or alcohols in response to radiation or heating. A film-forming composition is composed of a flowable blend of a reactive gas releasing moiety, a matrix forming species, an organic solvent, and an optional activating agent. An underlayer composition is composed of a blend of a reactive gas releasing moiety, a polymer matrix and an optional activating additive. Multilayer structures are described based on organometallic radiation sensitive patterning compositions, such as alkyl tin oxo-hydroxo compositions, which are placed over a gas releasing underlayer formed on a substrate, such as a semiconductor wafer. Methods for patterning multilayer structures are also described.
    Type: Application
    Filed: March 24, 2023
    Publication date: September 26, 2024
    Inventors: Kazunori Sakai, Tatsuya Kasai, Akitaka Nii, Peter de Schepper
  • Patent number: 12098282
    Abstract: A film-forming composition includes a compound including a Si—H bond and an orthoester. The compound preferably includes a structural unit that is a structural unit represented by formula (1-1), a structural unit represented by formula (1-2), or a combination thereof. In the formula (1-1) and the formula (1-2), R1 and R2 each represent a hydroxy group, a halogen atom, or a monovalent organic group having 1 to 20 carbon atoms; and R3 represents a substituted or unsubstituted divalent hydrocarbon group having 1 to 20 carbon atoms that bonds to two Si atoms.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: September 24, 2024
    Assignee: JSR CORPORATION
    Inventors: Tomoaki Seko, Tomoya Taji, Nozomi Satou, Hiromitsu Tanaka, Tatsuya Sakai
  • Publication number: 20240310640
    Abstract: To provide a head-mounted display capable of finely adjusting a position of a display in a left-right direction. The present technology provides a head-mounted display including an optical plate that is arranged in front of an eyeball of a user and causes image display light to reach the eyeball. The optical plate is pivotable in a left-right direction about a center of the eyeball as a pivot center. The head-mounted display of the present technology may be a monocular type.
    Type: Application
    Filed: December 20, 2021
    Publication date: September 19, 2024
    Inventors: NORIHIRO KATO, TATSUYA SAKAI
  • Publication number: 20240307544
    Abstract: Provided is an aqueous liquid preparation comprising arbekacin and/or a salt thereof and at least one water-soluble polymer selected from the group consisting of hydroxypropyl methylcellulose, hydroxyethyl cellulose, methyl cellulose, and polyvinylpyrrolidone.
    Type: Application
    Filed: May 9, 2024
    Publication date: September 19, 2024
    Applicant: SENJU USA, INC.
    Inventors: Yumena NISHIDA, Yuki NAKAMURA, Tatsuya SAKAI
  • Publication number: 20240298548
    Abstract: A magnetoresistive element according to the present embodiment includes a first magnetic layer (11) stacked on a base layer (10), a second magnetic layer (13), and a first nonmagnetic layer (12) arranged between the first magnetic layer (11) and the second magnetic layer (13). The first nonmagnetic layer (12) includes an insulating material including fluorine.
    Type: Application
    Filed: February 4, 2022
    Publication date: September 5, 2024
    Inventors: YUTAKA HIGO, LUI SAKAI, MASAKI ENDO, HIROYUKI OHMORI, MASANORI HOSOMI, TAKAYUKI NOZAKI, KAY YAKUSHIJI, MAKOTO KONOTO, TATSUYA YAMAMOTO, TOMOHIRO NOZAKI, SHINJI YUASA
  • Publication number: 20240295265
    Abstract: A work vehicle includes a hydrostatic continuously variable transmission to output power, an electric motor to perform shifting, a linkage mechanism to link a shifting shaft of the electric motor with a trunnion shaft of the hydrostatic continuously variable transmission the linkage mechanism, including a first linkage section linked with the shifting shaft, and a second linkage section linked with the trunnion shaft, and a biasing mechanism to press and bias a second gear of the second linkage section that meshes with a first gear of the first linkage section against the first gear such that a tooth flank of the second gear abuts with a tooth flank of the first gear in a rotation direction reverse to a rotation direction of the first gear.
    Type: Application
    Filed: May 15, 2024
    Publication date: September 5, 2024
    Inventors: Hiroaki NAGAI, Daisuke NAKAYAMA, Hironobu NOGAMI, Ryo MASUDA, Keiji TAKAHASHI, Tatsuya SAKAI
  • Patent number: 12065534
    Abstract: A composition includes a polymer and a solvent. The polymer includes: a structural unit including a ring structure; and a functional group capable of bonding to a metal atom. An atom chain constituting the ring structure constitutes a part of a main chain of the polymer. The polymer preferably includes at an end of the main chain or at an end of a side chain, a group including the functional group. The functional group is preferably a cyano group, a phosphono group, or a dihydroxyboryl group. The ring structure preferably includes an alicyclic structure.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: August 20, 2024
    Assignee: JSR CORPORATION
    Inventors: Hiroyuki Komatsu, Motohiro Shiratani, Tatsuya Sakai
  • Publication number: 20240253448
    Abstract: An in-wheel motor having a case including a motor case, a motor cover, and a reduction gear case, wherein the oil pump includes a pump chamber formed in the motor cover, a pump cover attached to the motor cover and closing the pump chamber, It has a pump shaft that penetrates the pump cover, a drive gear that is attached to the pump shaft and arranged inside the pump chamber, and a driven gear that meshes with the drive gear and is arranged inside the pump chamber, the pump shaft is attached to the input shaft of the reduction gear, the pump cover is bolted to the motor cover from the inside of the case, and the pump cover is integrally formed with a positioning structure for determining the position of the pump shaft.
    Type: Application
    Filed: October 27, 2023
    Publication date: August 1, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keita IMAI, Kiichi YOKOYAMA, Hiroki MONJI, Yusuke UETA, Tatsuya SAKAI
  • Publication number: 20240253446
    Abstract: An in-wheel motor including: a motor disposed inside a wheel; and a case that accommodates the motor, characterized in that: a lower arm mounting portion to which the case and a lower arm are connected, is included; the lower arm mounting portion is disposed at a position facing a surface of the wheel; and the case includes a drain plug disposed at a position between the surface of the wheel and the lower arm mounting portion.
    Type: Application
    Filed: November 21, 2023
    Publication date: August 1, 2024
    Applicant: TOYOTA JIDQSHA KABUSHIKI KAISHA
    Inventors: Keita IMAI, Kiichi YOKOYAMA, Hiroki MONJI, Yusuke UETA, Tatsuya SAKAI
  • Publication number: 20240248361
    Abstract: A display device comprising a transistor and a display element over the transistor, wherein the transistor includes a gate electrode on an insulating surface, a gate insulating layer on the gate electrode, and source/drain electrodes on the oxide semiconductor layer and the gate insulating layer, each including a first conductive layer containing nitrogen and a second conductive layer on the first conductive layer, and an insulating layer contains oxygen on the oxide semiconductor layer and the source/drain electrodes.
    Type: Application
    Filed: March 4, 2024
    Publication date: July 25, 2024
    Applicant: Japan Display Inc.
    Inventors: Masashi TSUBUKU, Takeshi SAKAI, Tatsuya TODA
  • Publication number: 20240246407
    Abstract: A motor unit includes a first rotating shaft driven by a motor and including a first gear, a pair of first bearings, each of which is located on each side of the first gear, and that supports the first rotating shaft to the casing such that the first rotating shaft is rotatable, a second rotating shaft being parallel to the first rotating shaft and including a second gear meshing with the first gear, and a pair of second bearings, each of which is located on each side of the second gear, and that supports the second rotating shaft to the casing such that the second rotating shaft is rotatable. The second bearings are located between the first bearings in an axial direction parallel to the first rotating shaft and the second rotating shaft, and each of the second bearings includes an outer ring, an inner ring, and a rolling element.
    Type: Application
    Filed: December 15, 2023
    Publication date: July 25, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keita IMAI, Kiichi YOKOYAMA, Hiroki MONJI, Yusuke UETA, Tatsuya SAKAI
  • Publication number: 20240239187
    Abstract: A gear case of an in-wheel motor drive device houses first and second helical gears, has a first opening in its inner wall through which a motor main shaft passes, and has a second opening in its outer wall through which an axle passes. The in-wheel motor drive device further includes a first thrust bearing attached to the outer wall and supporting the first helical gear, and a second thrust bearing attached to the inner wall and supporting the second helical gear. The directions of helical teeth of the first and second helical gears are set so that when a motor vehicle travels forward, a thrust load directed outward in the vehicle width direction is applied to the first helical gear, and a thrust load directed toward the middle in the vehicle width direction is applied to the second helical gear.
    Type: Application
    Filed: October 30, 2023
    Publication date: July 18, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keita IMAI, Kiichi Yokoyama, Hiroki Monji, Yusuke Ueta, Tatsuya Sakai
  • Publication number: 20240223031
    Abstract: An electric motor disclosed herein includes a stator core, a coil wound around the stator core, a terminal block, and a bus bar. The terminal block is disposed so as to face a side face of the stator core. The bus bar is connected to a lead wire of the coil, and is also fixed to the terminal block. The bus bar extends along the side face of the stator core in an axial direction of the stator core, and one end portion thereof is fixed to the terminal block by a bolt.
    Type: Application
    Filed: October 5, 2023
    Publication date: July 4, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keita IMAI, Kiichi Yokoyama, Hiroki Monji, Yusuke Ueta, Tatsuya Sakai
  • Publication number: 20240217332
    Abstract: An in-wheel motor drive device includes: a motor case housing a motor provided in a wheel of a drive wheel; a reduction gear case housing a reduction gear; and a plurality of fastening bolts for fastening the motor case and the reduction gear case. Further, among the plurality of fastening bolts, a pair of fastening bolts facing each other across a stator coil end portion of the motor is arranged on a same straight line in a radial direction orthogonal to an axis direction of the motor.
    Type: Application
    Filed: October 23, 2023
    Publication date: July 4, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keita IMAI, Kiichi YOKOYAMA, Hiroki MONJI, Yusuke UETA, Tatsuya SAKAI
  • Publication number: 20240186861
    Abstract: The in-wheel motor unit includes a motor case, a gear case disposed adjacent to the motor case, and a knuckle integrally formed with the gear case.
    Type: Application
    Filed: September 25, 2023
    Publication date: June 6, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keita IMAI, Kiichi YOKOYAMA, Hiroki MONJI, Yusuke UETA, Tatsuya SAKAI
  • Patent number: 11801840
    Abstract: A work vehicle includes an engine, a transmission to change a received rotational force to a rotational force at a gear ratio that corresponds to a desired vehicle speed and output the changed rotational force, a first operating tool to change the rotation speed of the engine and a deceleration rate of the transmission, a rotation speed controller to control the rotation speed of the engine based on an input provided to the first operating tool, and a second operating tool to receive a holding instruction to hold the rotation speed of the engine constant. In response to the holding instruction being inputted to the second operating tool, the rotation speed controller is configured or programmed to disable control of the rotation speed of the engine which control is based on the input provided to the first operating tool, and hold the rotation speed of the engine constant in accordance with the holding instruction.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: October 31, 2023
    Assignee: KUBOTA CORPORATION
    Inventors: Keiji Takahashi, Tatsuya Sakai, Naoya Okamoto, Ryuji Kitagawa, Tsuyoshi Gono