Patents by Inventor Takeshi Kato

Takeshi Kato 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: 20210221033
    Abstract: A manufacturing method of a structure by which a target member can be easily positioned with high accuracy. In a tilting step, at least one target member is positioned by tilting a positioning table and sliding the target member placed on the positioning table to bring the target member into contact with a locking portion.
    Type: Application
    Filed: July 24, 2019
    Publication date: July 22, 2021
    Applicant: KYORAKU CO., LTD.
    Inventors: Hisanao HATO, Tadatoshi TANJI, Takeshi KATO, Tatsuya FUKUDA, Yuki HARASAWA
  • Patent number: 10947353
    Abstract: A resin composition for insulating coating material, comprises: a polyimide resin and/or a precursor thereof; and a polymer having a heterocyclic ring at a side chain, wherein the content of the polymer having a heterocyclic ring at a side chain is 0.1 to 7 parts by weight relative to 100 parts by weight of the polyimide resin and/or the precursor thereof. By adding a prescribed amount of the polymer having a heterocyclic ring at a side chain, there can be obtained a resin composition for insulating coating material still maintaining heat resistance and together having excellent bending resistance.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: March 16, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takeshi Kato, Akira Ishikubo, Yu Echigo, Mika Matsumoto, Jiro Sugiyama
  • Publication number: 20210074206
    Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 11, 2021
    Inventors: Ji-Yeon Yang, Geun-Young Jeong, Takeshi Kato, Myung-Ho Lee
  • Patent number: 10878746
    Abstract: An organic light emitting display device and a driving method thereof are disclosed. The display device has sub-pixels of multiple colors. In one aspect, the organic light emitting display device detects sub-pixels which are positioned at the edges of the panel. Data for the sub-pixels on the edges are reduced so that colors on the edges are less observable.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Yeon Yang, Geun-Young Jeong, Takeshi Kato, Myung-Ho Lee
  • Patent number: 10825376
    Abstract: A display device and driving method thereof are disclosed. The display device includes a pixel emitting light at a luminance corresponding to an output grayscale value and a color shifter for converting an input grayscale value into the output grayscale value based on output color gamut information. The color shifter includes an offset storage unit storing reference color gamut information and offset information; and a color gamut determination unit that determines the output color gamut information using the reference color gamut information and the offset information when the color shift level corresponds to a value between the reference level and the shift levels, and determines tire output color gamut information using second offset information in which the offset information is inverted and the reference color gamut information when the color shift level is not between the reference level and the shift levels.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: November 3, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dale Yim, Takeshi Kato
  • Publication number: 20200319540
    Abstract: A projector, a rotational phase control device, a program for the rotational phase control device, and a wheel rotational speed control method include: a phosphor wheel that emits a plurality of different color lights at a cycle corresponding to a rotational speed when excitation light is irradiated; a color wheel into which the lights emitted from phosphor wheel enter; and a rotational phase control device that controls a rotational speed and a phase of color wheel in accordance with a rotational speed and a phase of phosphor wheel so that a phase relationship between phosphor wheel and color wheel is not changed and so that a rotational speed ratio between phosphor wheel and color wheel is equal to a rotational speed ratio between phosphor wheel and color wheel in a steady state.
    Type: Application
    Filed: December 5, 2017
    Publication date: October 8, 2020
    Inventor: Takeshi KATO
  • Patent number: 10794937
    Abstract: A power conversion device of the present invention includes a power conversion circuit configured to convert power; a conductor configured to transmit a current to the power conversion circuit; and a coreless current sensor configured to detect the current, in which the coreless current sensor includes: a magnetic field detection portion configured to detect a magnetic field of the current; and a shield portion that faces the magnetic field detection portion, the conductor includes: a first conductor portion that passes through a space between the magnetic field detection portion and the shield portion; and a second conductor portion connected to the first conductor portion via a first bent portion, and the first bent portion is formed such that the space between the magnetic field detection portion and the shield portion is not disposed in a direction perpendicular to a face of the second conductor portion closest to the shield portion.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: October 6, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masashi Kosuga, Takeshi Kato, Takeshi Tajiri, Hidehiko Takahara, Nobuaki Gorai
  • Patent number: 10795404
    Abstract: An aspect of the present invention for solving the above problem is a system including a first computer, a control module controlled by the first computer, and a second computer configured to be associated with the control module. The second computer includes a plurality of units, and each of the plurality of units includes a first memory that stores a value indicating a state of a node, a second memory that stores a coefficient, and an arithmetic circuit. The arithmetic circuit performs an arithmetic process of determining a value indicating a state of a node of its own unit, based on a value indicating a state of a node of a different unit and the coefficient of its own unit, and storing the determined value in the first memory. The control module supplies a control signal for controlling the arithmetic process to the second computer.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: October 6, 2020
    Assignee: HITACHI, LTD.
    Inventors: Masanao Yamaoka, Takeshi Kato, Chihiro Yoshimura, Masato Hayashi
  • Publication number: 20200234626
    Abstract: A display device and driving method thereof are disclosed. The display device includes a pixel emitting light at a luminance corresponding to an output grayscale value and a color shifter for converting an input grayscale value into the output grayscale value based on output color gamut information. The color shifter includes an offset storage unit storing reference color gamut information and offset information; and a color gamut determination unit that determines the output color gamut information using the reference color gamut information and the offset information when the color shift level corresponds to a value between the reference level and the shift levels, and determines tire output color gamut information using second offset information in which the offset information is inverted and the reference color gamut information when the color shift level is not between the reference level and the shift levels.
    Type: Application
    Filed: July 11, 2019
    Publication date: July 23, 2020
    Inventors: DALE YIM, TAKESHI KATO
  • Publication number: 20200230590
    Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a battery electrode catalyst layer, which have improved electrical properties and chemical properties. For example, used is an anion exchange resin which has a hydrophobic unit being composed of bisphenol AF residues repeated via carbon-carbon bond and a hydrophilic unit being composed of hydrophilic groups repeated via carbon-carbon bond, in which the hydrophilic group is formed by connecting an anion exchange group to a fluorene backbone via a divalent saturated hydrocarbon group, and in which the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.
    Type: Application
    Filed: November 20, 2019
    Publication date: July 23, 2020
    Applicants: University Of Yamanashi, Takahata Precision Co., Ltd.
    Inventors: Kenji MIYATAKE, Junpei Miyake, Taro Kimura, Naoki Yokota, Katsuya Nagase, Yousuke Konno, Koichiro Asazawa, Aoi Takano, Takeshi Kato
  • Patent number: 10679686
    Abstract: A magnetoresistive memory device includes a memory cell including a magnetic tunnel junction element, a detector to detect a current value writable in units of the memory cell, a current value storage area, and a current controller. The current value storage area stores at least one of a maximum value and a minimum value of the writable current value detected by the detector. The current controller performs at least one control operation of an operation of controlling a write current value of the memory cell based on the maximum value and an operation of controlling a read current value of the memory cell based on the minimum value.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: June 9, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masatoshi Sonoda, Yoshiaki Sonobe, Takeshi Kato
  • Patent number: 10662449
    Abstract: This method for producing a compound uses a continuous tank reactor which is provided with two or more reaction tanks for producing the compound and with a reaction liquid feeding pipe that feeds a reaction liquid from an upstream reaction tank to a downstream reaction tank, said method being characterized in that the Reynold's number of the reaction liquid that flows in the reaction liquid feeding pipe is configured to be 1800-22000. Furthermore, this compound production system is used in said method for producing a compound, and is formed by housing at least one of the reaction tanks in a portable container.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: May 26, 2020
    Assignees: Mitsubishi Chemical Corporation, Mitsubishi Chemical Engineering Corporation
    Inventors: Makoto Kano, Takamitsu Kariya, Hiroyasu Banba, Tomohiko Mawatari, Takeshi Kato, Tsutomu Hirachi, Keizo Tachibana, Masahiro Kamide, Megumu Morimoto
  • Publication number: 20200158591
    Abstract: A tire inspection device includes a gas sensor disposed outside of a tire and facing an outer surface of the tire. The gas sensor detects a gas that fills the tire.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Inventors: Yuichi DOKI, Takeshi KATO, Akane IIZUKA
  • Publication number: 20200156599
    Abstract: A wheeled tire includes a tire, and a wheel disposed on the tire. A space between the tire and the wheel is filled with a filler gas. The filler gas includes nitrogen gas having a concentration equal to or greater than a concentration of nitrogen gas in air, and hydrogen gas having a concentration of 0.5% or more. A concentration of oxygen gas in the filler gas is less than a concentration of oxygen gas in air.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Inventors: Takeshi KATO, Hirotaka TAKEYAMA, Yuichi DOKI
  • Publication number: 20200158593
    Abstract: There is provided a gas sensor fault detection device that detects a sensor fault in a gas leak inspection device. The gas sensor fault detection device includes: a gas blowing unit that blows a gas toward a detection area of a gas sensor of the gas leak inspection device; and a position fixing unit that fixes a position of the gas blowing unit with reference to a hypothetical gas leak position of an inspection target being inspected by the gas leak inspection device.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Inventors: Yuichi DOKI, Takeshi KATO
  • Patent number: 10636613
    Abstract: According to one embodiment, an X-ray tube comprises a cathode for emitting electrons, an anode having an anode target with which electrons emitted from the cathode collides to radiate X-rays, a glass container housing the cathode and the anode, an anode rod extending from the anode to an outside of the container, an annular metal member through which the anode rod is inserted, the annular metal member connecting the anode and the container to maintain an inside of the container in vacuum, and an electrically insulating molding resin member charged into a space formed between the anode rod and outer surfaces of the container and the metal member.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: April 28, 2020
    Assignee: Canon Electron Tubes & Devices Co., Ltd.
    Inventors: Takeshi Kato, Takanobu Hara, Masayoshi Miyamura
  • Publication number: 20200061599
    Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane and the like, which have improved chemical properties (durability). For example, used is an anion exchange resin comprising a hydrophobic unit being composed of a plurality of divalent hydrophobic groups repeated via carbon-carbon bond, the divalent hydrophobic group having a plurality of aromatic rings which are connected to each other via a divalent fluorine-containing group; and a hydrophilic unit being composed of a plurality of hydrophilic groups repeated via carbon-carbon bond, the hydrophilic groups being composed of a plurality of aromatic rings which are connected to each other via a divalent hydrocarbon group and/or carbon-carbon bond, and the hydrophilic groups containing an anion exchange group-containing group including a quaternary ammonium salt having a piperidine ring, and wherein the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.
    Type: Application
    Filed: August 21, 2019
    Publication date: February 27, 2020
    Applicants: University Of Yamanashi, Takahata Precision Co., Ltd., Daihatsu Motor Co., Ltd.
    Inventors: Kenji MIYATAKE, Junpei Miyake, Naoki Yokota, Katsuya Nagase, Aoi Takano, Takeshi Kato, Koichiro Asazawa
  • Patent number: 10566042
    Abstract: Magnetic tunnel junction devices are provided. A magnetic tunnel junction device includes a pinned layer. The magnetic tunnel junction device includes a free layer on the pinned layer. The free layer includes a first layer, a second layer that is on the first layer, and a third layer that is between the first layer and the second layer. A Curie temperature of the third layer is lower than a Curie temperature of the first layer and lower than a Curie temperature of the second layer. Moreover, the magnetic tunnel junction device includes an insulating layer that is between the pinned layer and the free layer. Related magnetoresistive memory devices are also provided.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ken Machida, Yoshiaki Sonobe, Takeshi Kato
  • Publication number: 20190361053
    Abstract: A power conversion device of the present invention includes a power conversion circuit configured to convert power; a conductor configured to transmit a current to the power conversion circuit; and a coreless current sensor configured to detect the current, in which the coreless current sensor includes: a magnetic field detection portion configured to detect a magnetic field of the current; and a shield portion that faces the magnetic field detection portion, the conductor includes: a first conductor portion that passes through a space between the magnetic field detection portion and the shield portion; and a second conductor portion connected to the first conductor portion via a first bent portion, and the first bent portion is formed such that the space between the magnetic field detection portion and the shield portion is not disposed in a direction perpendicular to a face of the second conductor portion closest to the shield portion.
    Type: Application
    Filed: December 19, 2017
    Publication date: November 28, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masashi KOSUGA, Takeshi KATO, Takeshi TAJIRI, Hidehiko TAKAHARA, Nobuaki GORAI
  • Publication number: 20190355403
    Abstract: A magnetoresistive memory device includes a memory cell including a magnetic tunnel junction element, a detector to detect a current value writable in units of the memory cell, a current value storage area, and a current controller. The current value storage area stores at least one of a maximum value and a minimum value of the writable current value detected by the detector. The current controller performs at least one control operation of an operation of controlling a write current value of the memory cell based on the maximum value and an operation of controlling a read current value of the memory cell based on the minimum value.
    Type: Application
    Filed: August 2, 2019
    Publication date: November 21, 2019
    Inventors: Masatoshi SONODA, Yoshiaki SONOBE, Takeshi KATO