Patents by Inventor Yoshihisa Ito

Yoshihisa Ito 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: 20240136102
    Abstract: A winding of a transmission coil included in a power transmission device of a contactless power feed apparatus and serving to transmit AC power to a power reception device contactlessly is formed of a wiring pattern provided on a substrate. The transmission coil is divided into partial coils arranged coaxially. Each of the partial coils is formed such that, among the partial coils, a number of turns of a winding included in a partial coil is larger as the partial coil is located more outwardly.
    Type: Application
    Filed: September 6, 2023
    Publication date: April 25, 2024
    Applicant: OMRON Corporation
    Inventors: Goro NAKAO, Yuki ITO, Taichi MISHIMA, Yusuke KAWAI, Hiroyuki IBUKI, Yoshihisa ISHIKAWA
  • Publication number: 20240101481
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Application
    Filed: December 1, 2023
    Publication date: March 28, 2024
    Applicant: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa ITO
  • Patent number: 11935712
    Abstract: A control system is designed to control an interrupter. The interrupter is started by a startup current to interrupt a main electric circuit. The startup current flows through an auxiliary electric circuit and has a current valve equal to or greater than a predetermined value. The control system includes a driving unit and a driven unit. The driving unit includes an intermediate electrical path to be connected to the main electric circuit. The driven unit is to be connected to the auxiliary electric circuit. When an abnormal current having a current value equal to or greater than a prescribed value flows through the intermediate electrical path, the driving unit uses, as a drive source for driving the driven unit, the abnormal current flowing through the intermediate electrical path. The driven unit supplies the auxiliary electric circuit with the startup current by being driven by the driving unit.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: March 19, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenji Kanematsu, Shinya Kimoto, Yoshihisa Fukuda, Kazuhisa Kinoshita, Shun Ito, Kazuhiro Kodama
  • Publication number: 20240067570
    Abstract: The present invention provides a pre-sintered body for obtaining a zirconia sintered body that can satisfy both high strength and high translucency, and a method of production of such a pre-sintered body. The present invention relates to a zirconia pre-sintered body comprising a secondary aggregate having an average particle diameter of 275 nm or less, the secondary aggregate comprising zirconia, and a stabilizer capable of preventing a phase transformation of zirconia, the secondary aggregate comprising a larger particle having an average primary particle diameter of 100 nm or more and 200 nm or less, and a smaller particle having an average primary particle diameter of 10 nm or more and less than 60 nm.
    Type: Application
    Filed: December 23, 2021
    Publication date: February 29, 2024
    Applicant: Kuraray Noritake Dental Inc.
    Inventors: Kirihiro NAKANO, Nobusuke KASHIKI, Yasutaka KUDO, Yoshihisa ITO
  • Publication number: 20240067569
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 29, 2024
    Applicant: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa ITO
  • Patent number: 11914834
    Abstract: A sensor includes a first substrate on a back side of a display panel, a first coil extending in a first direction at a predetermined angle between 0 and 90 degrees with respect to a long-side direction of the first substrate and including a first long-side portion provided with first and second end portions, a second coil including a second long-side portion extending in a second direction, a first leader line including a first end and a second end, wherein the first end is connected to the first end portion, and the second end is connected to wiring on a second substrate arranged to extend at a right angle toward the outside of the sensor from one side of the first substrate, and a second leader line including first end connected to the end portion and a second end connected to the wiring on the second substrate.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: February 27, 2024
    Assignee: Wacom Co., Ltd.
    Inventors: Yuanhao Chen, Yoshihisa Sugiyama, Akira Ito
  • Publication number: 20240059579
    Abstract: The present invention provides a granule and green compact suited for obtaining a high-translucency and high-strength zirconia sintered body, and a high-density and uniform pre-sintered body. The invention also provides methods of production of such a granule and green compact. The present invention relates to a granule comprising zirconia, a stabilizing agent capable of preventing a phase transformation of zirconia, and a binder, the granule having a compression ratio R of 0.46 to 0.53 as calculated by the formula (1) below when tapped and filled into a columnar die in compliance with JIS R 1628:1997, and compressed by uniaxial pressing at a rate of 1 mm/s to 33 MPa, R=(H?D)/H??(1) wherein H represents a height of the granule tapped and filled into the columnar die before applying pressure, and D represents an amount of strain up to 33 MPa.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 22, 2024
    Applicant: Kuraray Noritake Dental Inc.
    Inventors: Kirihiro NAKANO, Nobusuke KASHIKI, Yasutaka KUDO, Yoshihisa ITO
  • Publication number: 20240050323
    Abstract: A composition may include granules in which zirconia particles are aggregated. The granules may have an average circularity of 0.81 or greater based on a projected image. The zirconia crystal system of the zirconia particles may be 20% or more monoclinic. An angle of repose of the composition, measured in accordance with JIS R9301-2-2, may be in a range of from 20 degrees to 35 degrees.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 15, 2024
    Applicant: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa ITO
  • Patent number: 11890359
    Abstract: A composition includes granules in which zirconia particles are aggregated. The granules have an average circularity of 0.81 or greater based on a projected image.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: February 6, 2024
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa Ito
  • Patent number: 11884595
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: January 30, 2024
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa Ito
  • Patent number: 11873254
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: January 16, 2024
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa Ito
  • Publication number: 20240010568
    Abstract: The present invention provides a zirconia pre-sintered body having excellent machinability and having a low probability of pillar fracture or chipping during milling. A method of production of such a zirconia pre-sintered body is also provided. The present invention relates to a zirconia pre-sintered body comprising zirconia, and a stabilizer capable of reducing a phase transformation of zirconia, the content of the stabilizer being 3 to 8 mol % relative to the total mole of the zirconia and the stabilizer, at least a part of the stabilizer being not dissolved in zirconia as a solid solution, and the zirconia pre-sintered body having a Vickers hardness of 65 to 135 HV 5/30 as measured in compliance with JIS Z 2244:2009.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 11, 2024
    Applicant: Kuraray Noritake Dental Inc.
    Inventors: Kirihiro NAKANO, Kazuya SAKAI, Nobusuke KASHIKI, Sho ITO, Atsushi MATSUMOTO, Yoshihisa ITO
  • Patent number: 11795110
    Abstract: The present invention provides a zirconia pre-sintered body that develops the preferable shade with a short firing time.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: October 24, 2023
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventors: Shinichiro Kato, Yoshihisa Ito
  • Publication number: 20230052915
    Abstract: A method that enables fabrication of a machinable zirconia composite sintered body that is machinable in a sintered state while maintaining properties suited for dental use, in a shorter time than it is possible with conventional methods. A method for producing a machinable zirconia composite sintered body by fabricating a molded body with a raw material composition that includes 78 to 95 mol % of ZrO2 and 2.5 to 10 mol % of Y2O3, and also includes 2 to 8 mol % of Nb2O5 and/or 3 to 10 mol % of Ta2O5, and in which ZrO2 predominantly includes a monoclinic crystal system and sintering the molded body.
    Type: Application
    Filed: December 25, 2020
    Publication date: February 16, 2023
    Applicant: KURARAY NORITAKE DENTAL INC.
    Inventors: Shinichiro KATO, Yoshihisa ITO, Takahiro NIWA
  • Publication number: 20230028118
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 26, 2023
    Applicant: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa ITO
  • Publication number: 20230019835
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 19, 2023
    Applicant: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa ITO
  • Patent number: 11535564
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: December 27, 2022
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa Ito
  • Patent number: 11413123
    Abstract: The present invention provides a mill blank having a multilayer structure and excellent aesthetics, and a method for producing the mill blank. The present invention relates to a mill blank for dental use comprising a mill blank portion having a multilayer structure with two or more layers, wherein the multilayer structure comprises a body layer (3) inside an enamel layer (1), and the body layer (3) is shaped to comprise a bottom face and a side face, the side face having a portion perpendicular to the bottom face.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: August 16, 2022
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventors: Atsushi Matsumoto, Hiroyuki Sakamoto, Yoshihisa Ito
  • Publication number: 20220168080
    Abstract: A coloring device for coloring a dental prosthesis by an inkjet method, the dental prosthesis coloring device includes an inkjet head having a nozzle that ejects ink droplets; a holding unit that holds the prosthesis; a drive unit that moves the inkjet head or the holding unit in a predetermined direction in an XYZ orthogonal coordinate system; and a control unit that controls the inkjet head and the drive unit, wherein the control unit is configured to control the inkjet head and the drive unit based on predetermined coloring data and three-dimensional data of the prosthesis.
    Type: Application
    Filed: March 19, 2020
    Publication date: June 2, 2022
    Applicant: KURARAY NORITAKE DENTAL INC.
    Inventors: Yoshihisa ITO, Sho ITO
  • Patent number: D990681
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: June 27, 2023
    Assignee: Kuraray Noritake Dental Inc.
    Inventors: Atsushi Matsuura, Yusuke Kondo, Yoshihisa Ito