Patents by Inventor Atsushi Takahashi

Atsushi Takahashi 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: 20230191554
    Abstract: A polishing system performs chemical-mechanical polishing of an object to be polished using an abrasive slurry. The polishing system includes a polishing amount calculator that measures an amount of free metal ions of a metallic element derived from the object to be polished in a processed slurry and calculates a polishing amount of the object to be polished from the amount of the free metal ions. The object to be polished is a glass containing the metallic element of Group 1 or Group 2 of a periodic table.
    Type: Application
    Filed: April 12, 2021
    Publication date: June 22, 2023
    Inventors: Atsushi TAKAHASHI, Akihiro MAEZAWA, Fumiko TSUKIGATA, Keisuke MIZOGUCHI
  • Publication number: 20230194180
    Abstract: A heat exchanger includes: a heat exchange portion in which a plurality of heat transfer tubes, in which refrigerant flows, are arranged in a height direction and grouped into, in order from an upper side in the height direction, a main, first auxiliary and second auxiliary heat exchange portion and configured to, when the heat exchanger serves as a condenser, allow the refrigerant to flow through the heat exchanger in order of the main heat exchange portion of the airflow downstream side row, the main heat exchange portion of the airflow upstream side row, the first auxiliary heat exchange portion of the airflow upstream side row, the first auxiliary heat exchange portion of the airflow downstream side row, the second auxiliary heat exchange portion of the airflow downstream side row, and the second auxiliary heat exchange portion of the airflow upstream side row, and flow out of the heat exchanger.
    Type: Application
    Filed: June 4, 2020
    Publication date: June 22, 2023
    Inventors: Atsushi TAKAHASHI, Tsuyoshi MAEDA, Satoru YANACHI, Atsushi MORITA
  • Publication number: 20230194191
    Abstract: A refrigerant distributer includes a plurality of plates. The refrigerant distributer is configured to divert, into a plurality of refrigerant flows, refrigerant flowing in from one or a plurality of inlet ports thereof and allow the refrigerant flows to be let out from a plurality of outlet ports thereof spaced from one another in a first direction. The plurality of plates include: an inflow plate having one of the plurality of inlet ports; a communication plate having a communication chamber communicating with the one of the plurality of inlet ports of the inflow plate; and a heat transfer tube insertion plate into which a heat transfer tube communicating with one of the plurality of outlet ports is inserted, the heat transfer tube insertion plate having heat transfer tube insertion space through which a plurality of the heat transfer tubes communicate with the communication chamber.
    Type: Application
    Filed: June 5, 2020
    Publication date: June 22, 2023
    Inventors: Atsushi TAKAHASHI, Tsuyoshi MAEDA, Satoru YANACHI
  • Patent number: 11674039
    Abstract: Disclosed are a polyamideimide resin composition comprising (A) a polyamideimide resin, (B) a 3-alkoxy-N,N-dimethylpropanamide, and (C) water; and a fluorine-based coating material comprising the polyamideimide resin composition and a fluororesin.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: June 13, 2023
    Assignee: RESONAC CORPORATION
    Inventor: Atsushi Takahashi
  • Patent number: 11642889
    Abstract: Provided are an inkjet printing apparatus and a recovery method capable of suppressing ink thickening in the ejection openings in the suction process for the ejection openings. A vacuum wiper is moved being in contact with the ejection opening surface of the print head to perform a vacuum wiping process for the arrayed ejection openings sequentially. Ink is circulated in flow paths including the flow paths communicating with the ejection openings for which the vacuum wiping process has been finished.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: May 9, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshinori Nakagawa, Takatoshi Nakano, Atsushi Takahashi, Takuya Fukasawa
  • Patent number: 11647628
    Abstract: According to one embodiment, a semiconductor memory device includes: a first semiconductor layer; first and second insulating layers in contact with the first semiconductor layer; a second semiconductor layer in contact with the first insulating layer; a third semiconductor layer in contact with the second insulating layer; a first conductor; a third insulating layer in contact with the first conductor; a fourth insulating layer provided between the second semiconductor layer and the third insulating layer; a first charge storage layer provided between the second semiconductor layer and the fourth insulating layer; and a fifth insulating layer provided between the second semiconductor layer and the first charge storage layer. The second semiconductor layer, the first conductor, the third to fifth insulating layers, and the first charge storage layer function as a first memory cell.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: May 9, 2023
    Assignee: Kioxia Corporation
    Inventors: Yuta Saito, Shinji Mori, Keiji Hosotani, Daisuke Hagishima, Atsushi Takahashi
  • Publication number: 20230133805
    Abstract: The object of the present invention is to provide an optical device capable of easily making a sum of grating vectors of optical elements disposed on a light guide plate zero and realizing further improvement of optical characteristics, and a method for manufacturing the optical device.
    Type: Application
    Filed: March 9, 2021
    Publication date: May 4, 2023
    Inventor: ATSUSHI TAKAHASHI
  • Publication number: 20230139814
    Abstract: A sheet molding compound according to a first aspect of the present invention comprises: a thickened product of a resin composition comprising a vinyl ester resin, a thickener, a polymerization initiator, a polymerization inhibitor and isobornyl methacrylate; and a reinforcing fiber.
    Type: Application
    Filed: June 23, 2022
    Publication date: May 4, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Seiji TSUCHIYA, Hayato OGASAWARA, Yukichi KONAMI, Hiroyuki NAKAO, Shinichirou FURUYA, Yasuhiko NABESHIMA, Atsushi TAKAHASHI
  • Publication number: 20230121813
    Abstract: Provided is a method for recycling a polishing agent slurry comprising: a first process including a slurry collecting process of collecting the used polishing agent slurry discharged from a polishing device; a desalting treatment process of reducing an ion concentration of the collected polishing agent slurry; and a dispersion treatment process of dispersing the polishing agent component and the constituent component of the object to be polished by adding a pH adjusting agent and a dispersing agent to the desalted polishing agent slurry; and after the first process, a second process of preparing a recycled polishing agent slurry from the polishing agent component by separating the polishing agent component and the constituent component of the object to be polished.
    Type: Application
    Filed: August 31, 2022
    Publication date: April 20, 2023
    Applicant: KONICA MINOLTA, INC.
    Inventors: Atsushi TAKAHASHI, Akihiro MAEZAWA
  • Publication number: 20230103320
    Abstract: A hydraulic brake system includes: a plurality of hydraulic brakes respectively provided for a plurality of wheels of a vehicle, each of which is configured to reduce rotation of a corresponding one of the wheels by a hydraulic pressure in a hydraulic-pressure chamber of a wheel cylinder; and a plurality of electric cylinder devices each of which is provided for one or more of the plurality of hydraulic brakes. Each electric cylinder device includes: a housing; a piston fluid-tightly and slidably disposed in the housing; an electric motor as a drive source; a rotation-linear motion converting mechanism configured to convert a rotational motion of the electric motor to a linear motion of the piston; and a volume change chamber disposed forward of the piston and connected to the hydraulic-pressure chamber of the wheel cylinder of each of the one or more of the plurality of hydraulic brakes.
    Type: Application
    Filed: October 3, 2022
    Publication date: April 6, 2023
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.
    Inventors: Naoki YABUSAKI, Tsuyoshi Otake, Atsushi Takahashi
  • Publication number: 20230091827
    Abstract: A semiconductor memory device includes a substrate, a semiconductor layer extending in a first direction, a first conductive layer extending in a second direction and opposed to the semiconductor layer, an electric charge accumulating layer disposed between the semiconductor layer and the first conductive layer, and a first contact electrode extending in the first direction and connected to the first conductive layer. The first contact electrode has one end in the first direction farther from the substrate than the first conductive layer, the other end in the first direction closer to the substrate than the first conductive layer. The first conductive layer includes a first part opposed to the semiconductor layer and a second part connected to the first contact electrode. The second part has a thickness in the first direction larger than a thickness in the first direction of the first part.
    Type: Application
    Filed: March 11, 2022
    Publication date: March 23, 2023
    Applicant: Kioxia Corporation
    Inventors: Satoshi NAGASHIMA, Hidenori MIYAGAWA, Atsushi TAKAHASHI, Shota KASHIYAMA
  • Publication number: 20230077522
    Abstract: A power switching control system, includes a switching unit configured to switch connection and disconnection between loads set with operation priorities and powers supplying powers to the loads, the loads and the powers being connected to a power supply path; a power failure detection unit detecting a power failure caused by an abnormality on a power supply side or a load side; and a control unit controlling the switching unit. When the power failure detection unit detects the power failure, and remaining capacities, charging rates, or voltages of the plurality of powers are less than, or equal to or less than predetermined thresholds, the control unit disconnects the loads from the power supply path by the switching unit in an order from one of the loads with a lowest operation priority of the operation priorities to gradually decrease supply currents from the powers to the loads.
    Type: Application
    Filed: September 12, 2022
    Publication date: March 16, 2023
    Applicant: Yazaki Corporation
    Inventor: Atsushi TAKAHASHI
  • Publication number: 20230071122
    Abstract: A printing apparatus comprises: a print head comprising, for each of a plurality of types of inks, an ejection opening and pressure chamber, and configured to perform printing operation by ejecting the ink from the ejection opening; a circulation unit capable of circulating the ink of each ink type; a determination unit configured to determine an accumulated time for which a first type of ink is circulated by the circulation unit in the printing operation using the first type of ink and not using a second type of ink different from the first type of ink; and a control unit configured to perform control based on the determined accumulated time to cause the circulation unit to circulate at least the second type of ink among the plurality of types of inks in a case where the accumulated time is longer than a predetermined time.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: Takatoshi Nakano, Yoshinori Nakagawa, Atsushi Takahashi, Takuya Fukasawa
  • Publication number: 20230066239
    Abstract: A polyamideimide resin composition containing a polyamideimide resin (A), 4-morpholine carbaldehyde (B), water (C), and a basic compound (D), wherein the change in viscosity of the composition from before storage to after storage at 60° C. for 7 days is within ?30%.
    Type: Application
    Filed: November 4, 2022
    Publication date: March 2, 2023
    Applicant: SHOWA DENKO MATERIALS CO., LTD.
    Inventor: Atsushi TAKAHASHI
  • Patent number: 11594911
    Abstract: A power supply switching control system switches a power supply for supplying power to a load between a first power supply and a second power supply in a power supply system. The power supply switching control system includes a first switch provided between the first power supply and the load in the power supply path and configured to cut off a current flowing from the second power supply to the first power supply in an off state of the first switch, a second switch provided between the second power supply and the load in the power supply path and configured to cut off a current flowing from the first power supply to the second power supply in an off state of the second switch, and a control unit configured to set the second switch in an on state when the second power supply is charged.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: February 28, 2023
    Assignee: YAZAKI CORPORATION
    Inventor: Atsushi Takahashi
  • Publication number: 20230029822
    Abstract: A display device of the present disclosure includes an image display device and a control unit, in which the image display device includes an image formation device, and an optical device that displays an image emitted from the image formation device in front of an observer while superimposing the image on a real image of an outside world, the control unit controls an operation of the image formation device, and in a case where a black display edge that is an edge of an area where black is displayed exists in the image, the control unit performs reversing processing and luminance increasing processing of the black display edge.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 2, 2023
    Applicant: SONY GROUP CORPORATION
    Inventors: Ryo OGAWA, Atsushi TAKAHASHI
  • Patent number: 11559994
    Abstract: An inkjet printing apparatus is provided with a tank that stores ink, a print head that performs print operation by ejecting ink supplied from the tank, a circulation unit that establishes a circulating state to circulate ink in a circulation path if print operation is performed and establishes a stopped state to stop circulation of ink if print operation is terminated, and a deaeration unit that performs deaeration operation to deaerate ink inside the circulation path. The apparatus includes an estimation unit that estimates a dissolved gas amount in ink inside the circulation path based on dissolved gas amounts increased in the circulating state and in the stopped state, respectively, and a control unit that causes the deaeration unit to execute deaeration operation after completion of print operation if the dissolved gas amount estimated by the estimation unit exceeds a predetermined threshold.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: January 24, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takatoshi Nakano, Yoshinori Nakagawa, Atsushi Takahashi, Takuya Fukasawa
  • Patent number: 11559992
    Abstract: An inkjet printing apparatus includes a print head that ejects ink, a waste ink tank having an absorber that absorbs ink discharged from the print head. The inkjet printing apparatus further includes a counting unit that counts a waste ink amount discharged to the waste ink tank, a timer that measures an elapsed time from installation of the waste ink tank in the apparatus, an acquiring unit that acquires a waste ink retention amount by obtaining an evaporation amount from evaporation of waste ink retained in the waste ink tank based on the elapsed time and subtracting the evaporation amount from the waste ink amount, a notifying unit that notifies that the waste ink retention amount exceeds a threshold; and a setting unit that sets the threshold based on a waste ink evaporation rate calculated by using the evaporation amount and the waste ink amount.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: January 24, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshinori Nakagawa, Takatoshi Nakano, Atsushi Takahashi, Takuya Fukasawa
  • Publication number: 20220406611
    Abstract: A method for manufacturing a semiconductor device according to an embodiment is a method for manufacturing a semiconductor device including performing a first etching process of forming a recess in a layer to be processed formed on a substrate by reactive ion etching using a first gas, performing a first process of supplying hydrogen radicals to the recess by using a second gas containing hydrogen in a state where a temperature of the substrate is equal to or more than 200° C. and equal to or less than 350° C. after the first etching process, and performing a second etching process of etching a bottom surface of the recess by reactive ion etching using a third gas after the first process.
    Type: Application
    Filed: December 9, 2021
    Publication date: December 22, 2022
    Applicant: Kioxia Corporation
    Inventors: Atsushi TAKAHASHI, Tsubasa IMAMURA, Wu LI, Yuto ITAGAKI, Minki CHOU
  • Patent number: 11533009
    Abstract: A motor control device includes a current acquisition unit that acquires a limit current allowed to flow from a battery to a brushless motor, a voltage acquisition unit that acquires a power supply voltage applied from the battery to the brushless motor, and a command current determination unit that determines a d-axis command current and a q-axis command current. The command current determination unit determines the d-axis command current and the q-axis command current based on a power limit circle which is a current characteristic on a d-axis and a q-axis based on an inner product of a voltage vector and a current vector and a voltage limit circle which is a current characteristic on the d-axis and the q-axis based on the power supply voltage and an angular velocity of the brushless motor.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: December 20, 2022
    Assignee: ADVICS CO., LTD.
    Inventor: Atsushi Takahashi