Patents by Inventor Hiroyuki Takahashi

Hiroyuki 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).

  • Patent number: 11631940
    Abstract: A waveguide slot antenna is configured by a waveguide, formed by a dielectric substrate, a first conductive layer formed at a lower surface of the dielectric substrate, a second conductive layer formed at an upper surface of the dielectric substrate and provided with one or a plurality of slots, and a pair of side wall parts electrically connecting the first and second conductive layers and extending in a first direction, being provided with a power feeding part. The one or a plurality of slots include a first slot having a predetermined slot length along the first direction. The waveguide slot antenna has a structure in which, on a plan view from a second direction, the power feeding part overlaps the first slot, and the power feeding part does not deviate from a range of the slot length along the first direction.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: April 18, 2023
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Hiroyuki Takahashi, Satoshi Hirano, Naoko Mori, Ikuro Aoki, Takuya Adachi
  • Patent number: 11597667
    Abstract: A wastewater treatment system includes a plurality of reaction tanks, a blowing pipe, a blower unit, and an air supply amount controller. The air supply amount controller includes: a water quality measurement unit configured to measure a state of wastewater; a necessary air amount acquisition unit configured to acquire, a necessary air amount for achieving a predetermined target water quality of wastewater; a target in-pipe pressure calculation unit configured to calculate a blowing pipe loss pressure when the necessary amount of air is supplied into the blowing pipe, calculate a target in-pipe pressure based on the blowing pipe loss pressure, and change the calculated target in-pipe pressure in accordance with change of the necessary air amount; and a blowing control unit configured to control air supply from the blower unit so that the pressure in the blowing pipe becomes equal to the target in-pipe pressure.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: March 7, 2023
    Assignee: Metawater Co., Ltd.
    Inventors: Hiroyuki Takahashi, Daisuke Naka, Nobuki Tsuboi, Masashi Inoue
  • Patent number: 11600874
    Abstract: The electrical equipment battery includes: a circuit board mounted with a heat generating element; and an outer case having a heat radiation plate made of metal. A heat transfer space is defined between the circuit board and the heat radiation plate, and then an electrical-insulating and heat-conducting gel is filled in the heat transfer space. Heat energy of the heat generating element is radiated to the outside via the heat radiation plate of the outer case. The heat radiation plate is provided with a flow-out block partition on the outer side of the heat transfer space. The flow-out block partition suppresses the electrical-insulating and heat-conducting gel from flowing out from the heat transfer space.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: March 7, 2023
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Hiroyuki Takahashi
  • Patent number: 11588219
    Abstract: A waveguide includes a dielectric substrate, a first conductor layer and a second conductor layer formed on a lower surface and an upper surface thereof, a pair of side wall parts forming side walls of both sides of the waveguide, and a feed part feeding an input signal to the waveguide. The feed part includes a feed terminal formed on the lower surface of the dielectric substrate and does not contact the first conductor layer, a first via conductor connected at a lower end thereof to the feed terminal, a first connection pad connected to an upper end of the first via conductor, and second via conductors that are each connected at a lower end thereof to the first connection pad. The sum of the cross-sectional areas of the second via conductors is greater than the sum of the cross-sectional area of the first via conductor.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 21, 2023
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Hiroyuki Takahashi, Satoshi Hirano, Naoko Mori, Ikuro Aoki, Takuya Adachi
  • Publication number: 20230036590
    Abstract: A charged particle beam scanning module, a charged particle beam device, and a computer that can correct an INL error in a DAC circuit in real time. The charged particle beam scanning module includes a scanning controller configured to output a scanning digital signal of a charged particle beam, a DAC circuit configured to convert the scanning digital signal into a scanning analog signal and output the scanning analog signal, and an ADC circuit configured to convert the scanning analog signal into an evaluation digital signal. A sampling frequency at which the DAC circuit samples the scanning digital signal is a first frequency, and a sampling frequency at which the ADC circuit samples the scanning analog signal is a second frequency smaller than the first frequency. The scanning controller determines an output characteristic of the DAC circuit by evaluating the scanning digital signal and the evaluation digital signal.
    Type: Application
    Filed: July 25, 2022
    Publication date: February 2, 2023
    Inventors: Wen LI, Shinichi MURAKAMI, Hiroyuki TAKAHASHI, Makoto SUZUKI, Wataru MORI
  • Publication number: 20230006509
    Abstract: Provided is a drive control mechanism of a geared motor capable of executing a stopping operation between a start point and an end point in a drive range, maintaining this stopping operation, and smoothly and reliably executing respective operations that start from this stopped state without applying any external force other than a drive input of the electric motor.
    Type: Application
    Filed: November 20, 2020
    Publication date: January 5, 2023
    Inventors: Akio HIDAKA, Hiroyuki TAKAHASHI, Keigo URASHIMI
  • Publication number: 20220416328
    Abstract: A power supply device includes a plurality of battery cells each including an outer covering can in a prismatic shape, a pair of end plates that cover both end surfaces of a battery stack in which the plurality of battery cells are stacked, a plurality of bind bars each formed into a plate shape extending in a stacking direction of the plurality of battery cells, the plurality of bind bars being respectively disposed on opposite side surfaces of the battery stack to fasten end plates to each other, heat radiation plate placing the battery stack on its upper surface side for releasing heat from the battery stack, and heat transfer sheet interposed between an upper surface of heat radiation plate and a lower surface of the battery stack to bring heat radiation plate and the battery stack into a thermally coupled state, wherein low friction slide layer with a friction resistance smaller than a friction resistance of the upper surface of heat transfer sheet is provided between heat transfer sheet and the pluralit
    Type: Application
    Filed: August 18, 2020
    Publication date: December 29, 2022
    Inventor: HIROYUKI TAKAHASHI
  • Patent number: 11538704
    Abstract: A processing method of a workpiece in which the workpiece with a plate shape is processed by using a vacuum chamber is provided. In the processing method of a workpiece, a negative pressure is caused to act on a holding surface from a suction path, and suction holding of the workpiece is executed by a chuck table. Then, the gas pressure in the vacuum chamber is reduced to at least 50 Pa and at most 5000 Pa. Then, while the suction holding of the workpiece is executed, an inert gas in a plasma state is supplied to the workpiece, and voltages are applied to electrodes disposed in the chuck table to execute electrostatic adhesion of the workpiece by the chuck table. Then, a processing gas in a plasma state is supplied, and dry etching of the workpiece is executed.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: December 27, 2022
    Assignee: DISCO CORPORATION
    Inventors: Yoshio Watanabe, Hiroyuki Takahashi, Kentaro Wada
  • Publication number: 20220394147
    Abstract: An image forming apparatus includes: an image forming unit configured to form an image onto a sheet; a conveyance roller configured to convey the sheet through a conveyance path, the conveyance path including a curved path being bent; a sensor configured to read the image formed on the sheet conveyed through the conveyance path by the conveyance roller, the sensor being configured to read the image formed on the sheet when a part of the sheet is conveyed through the curved path; and a controller configured to obtain information related to a type of the sheet, and to control, based on the information, a conveying speed of the sheet conveyed by the conveyance roller when the sensor reads the image.
    Type: Application
    Filed: June 2, 2022
    Publication date: December 8, 2022
    Inventor: Hiroyuki Takahashi
  • Publication number: 20220384891
    Abstract: A power supply device includes a battery block in which a plurality of battery cells (1) is stacked in a thickness with separator (2) clamped therebetween, a pair of end plates disposed on opposing end faces of the battery block, and a binding bar coupled to the pair of end plates and fixing the battery block in a compressed state via the end plates, in order to absorb expansion of the battery cells with the separator and suppress degradation of the separator in a state of being heated by the battery cells. Separator (2) has a three-layer structure including viscoelastic elastic sheet (6) that absorbs expansion of battery cell (1) and heat-insulating sheets (5) laminated on opposing surfaces of elastic sheet (6), and heat-insulating sheet (5) is hybrid material (5A) of an inorganic powder and a fibrous reinforcing material.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 1, 2022
    Inventors: NAO KOGAMI, HIROYUKI TAKAHASHI
  • Patent number: 11499138
    Abstract: Provided is a method for efficiently manufacturing high-purity peripheral nerve cells from undifferentiated cells. The method for manufacturing peripheral nerve cells from undifferentiated cells having an ability to differentiate into peripheral nerve cells includes the following steps (a) and (b): (a) culturing undifferentiated cells having an ability to differentiate into peripheral nerve cells to induce differentiation into neural progenitor cells without detaching a grown colony from a culture vessel; and (b) detaching the neural progenitor cells produced in the step (a) from the culture vessel, then seeding the cells at a seeding density of 2×105 to 6×105 cells/cm2 to a culture vessel, and culturing the cells for 14 to 42 days.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: November 15, 2022
    Assignees: NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, KABUSHIKI KAISHA YAKULT HONSHA
    Inventors: Masahiko Nishiyama, Susumu Rokudai, Shinji Yoshiyama, Hiroyuki Takahashi
  • Publication number: 20220359926
    Abstract: A power supply device includes a plurality of battery cells each having a prismatic exterior can, heat-shrinkable films having insulating property and each covering one of the plurality of battery cells, a plurality of separators interposed between the plurality of battery cells, a battery stack constituted by the plurality of battery cells stacked with separators interposed between the plurality of battery cells, a pair of end plates disposed on both end faces of the battery stack, and a plurality of bind bars disposed on side surfaces, facing opposite directions, of the battery stack to fasten the end plates to each other, where an edge of an end edge of each separator is broken.
    Type: Application
    Filed: April 20, 2020
    Publication date: November 10, 2022
    Inventors: GO YAMASHIRO, HIROYUKI TAKAHASHI, KAZUHIRO HARAZUKA
  • Publication number: 20220359945
    Abstract: A power supply device includes a battery block formed by stacking a plurality of battery cells in a thickness with separator interposed between corresponding battery cells, a pair of end plates disposed on respective end faces of the battery block, and a binding bar coupled to the pair of end plates to fix the battery block in a compressed state together with the end plates. Separator includes heat-insulating sheet and elastic layer layered on a surface of heat-insulating sheet, elastic layer having elastic protrusion that is partially in adhesion to a case surface of battery cell and is deformed by expansion of battery cell, and deformation space is provided for elastic protrusion pressed by battery cell to be displaced in an outer peripheral direction orthogonal to a pressing direction.
    Type: Application
    Filed: June 15, 2020
    Publication date: November 10, 2022
    Inventors: NAO KOGAMI, HIROYUKI TAKAHASHI
  • Publication number: 20220313075
    Abstract: A medical diagnostic apparatus includes a receiver circuit that receives three-dimensional data of an eye, and processing circuitry configured to segment the three-dimensional data into regions that include a target structural element and regions that do not include the target structural element to produce a segmented three-dimensional data set. The segmenting is performed using a plurality of segmentation algorithms. Each of the plurality of segmentation algorithms is trained separately on different two-dimensional data extracted from the three-dimensional data. The processing circuitry is further configured to generate at least one metric from the segmented three-dimensional data set, and evaluate a medical condition based on the at least one metric.
    Type: Application
    Filed: February 11, 2022
    Publication date: October 6, 2022
    Applicants: Topcon Corporation, National University Corporation Tokyo Medical and Dental University
    Inventors: Zaixing MAO, Kyoko OHNO-MATSUI, Hiroyuki TAKAHASHI, Noriko NAKAO
  • Publication number: 20220315830
    Abstract: Provided is an electrochromic display element including a first substrate, a first electrode over the first substrate, a first electrochromic layer over the first electrode, an electrolyte layer over the first electrochromic layer, a second electrode over the electrolyte layer, and a second substrate over the second electrode. The first electrochromic layer contains tin oxide having an average primary particle diameter of less than 30 nm and an electrochromic compound containing a functional group bindable to the tin oxide. The amount by mole of the electrochromic compound per area of the first electrochromic layer is from 2.0×10?8 mol/cm2 through 2.0×10?7 mol/cm2.
    Type: Application
    Filed: March 14, 2022
    Publication date: October 6, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Naoki URA, Hiroyuki Takahashi
  • Publication number: 20220294064
    Abstract: Power supply device is a power supply device to be fixed to a power supply target equipment. Power supply device includes: a plurality of battery cells each having a prismatic outer covering can; a pair of end plates that covers both side end faces of a battery stack in which the plurality of battery cells are stacked; lower plate that covers a lower face of the battery stack; a plurality of fastening members that are sheets extending in a stacking direction of the plurality of battery cells and are arranged on opposed side faces of the battery stack to fasten end plates to each other in a state where the battery stack is placed on an upper surface of lower plate; a plate fixing mechanism for fixing lower plate to the power supply target equipment; and a connecting structure for connecting lower plate and fastening member to each other in a state where the displacement between lower plate and fastening member is allowed.
    Type: Application
    Filed: July 20, 2020
    Publication date: September 15, 2022
    Inventor: HIROYUKI TAKAHASHI
  • Publication number: 20220288796
    Abstract: A vacuum transfer device, which is arranged between a process chamber and a load lock chamber and transfers a substrate between the process chamber and the load lock chamber, includes a container, a transfer device, an exhaust device, a dew-point meter, and a control device. The container is connected to each of the process chamber and the load lock chamber via a gate valve. The transfer device is provided inside the container and transfers the substrate between the process chamber and the load lock chamber. The exhaust device exhausts a gas in the container. The dew-point meter measures a dew-point temperature of the gas in the container. The control device determines whether a process is ready to be executed, based on the dew-point temperature measured by the dew-point meter, and when the process is ready to be executed, notifies that fact to a user of the vacuum transfer device.
    Type: Application
    Filed: September 11, 2020
    Publication date: September 15, 2022
    Inventors: Seiji ISHIBASHI, Hayato ITOMI, Hiroyuki TAKAHASHI
  • Publication number: 20220278387
    Abstract: Power supply device includes: battery stack formed by stacking a plurality of battery cells; a pair of end plates disposed at both ends of the battery stack; binding bars configured to connect the pair of end plates; lower plate that is brought into contact with heat radiation surfaces of battery cells forming the battery stack and to which heat energy of battery cell is transferred; and heat conductive sheet having plasticity and stacked on a surface of lower plate. In lower plate, contact surface that is brought into contact with heat conductive sheet is regular uneven surface, heat conductive sheet is stacked on uneven surface in a pressed state, heat conductive surface of heat conductive sheet is deformed into a concave shape along uneven surface, and heat conductive sheet and lower plate are stacked on each other in a contact state.
    Type: Application
    Filed: July 20, 2020
    Publication date: September 1, 2022
    Inventors: HIROSHI TAKATA, HIROYUKI TAKAHASHI
  • Publication number: 20220278384
    Abstract: Power supply device includes a plurality of battery cells each having an exterior can in a prismatic shape, a pair of end plates having pressing surfaces that press both side end surfaces of battery stack in which the plurality of battery cells are stacked, a plurality of fastening members each of which has a plate shape extended in a stacking direction of the plurality of battery cells and is disposed on opposing side surfaces of battery stack to fasten end plates to each other, thermal plate for placing battery stack on an upper surface side to dissipate heat from battery stack, and heat transfer sheet interposed between an upper surface of thermal plate and a lower surface of battery stack to bring thermal plate and battery stack into a thermally coupled state. A part of a lower surface of each of end plates, the part facing heat transfer sheet, is disposed at the same height as or above an upper surface of heat transfer sheet.
    Type: Application
    Filed: July 20, 2020
    Publication date: September 1, 2022
    Inventor: HIROYUKI TAKAHASHI
  • Publication number: 20220268242
    Abstract: A failure diagnostic apparatus for a fuel vapor treatment device includes a case, a fuel inflow means, and a fuel discharge means. The case is disposed inside the fuel tank. A canister is accommodated in the case. The case shields the canister from the fuel in the fuel tank and provides a gap between an inner surface of the case and an outer surface of the canister. The fuel inflow means is activated when the fuel tank is refueled, and allows the fuel in the fuel tank to flow into the case. The fuel discharge means is activated during failure diagnosis by the failure diagnostic means, and drains the fuel in the case into the fuel tank.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventor: Hiroyuki TAKAHASHI