Patents by Inventor Takashi Yamaguchi

Takashi Yamaguchi 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: 11665982
    Abstract: A superconducting wire includes a substrate and a superconducting material layer. The substrate includes a first main surface and a second main surface opposite to the first main surface. The superconducting material layer is disposed on the first main surface. Along at least a part of the superconducting wire in a direction in which the superconducting wire extends, the superconducting material layer is disposed to cover a side surface of the substrate in a width direction of the substrate and cover at least a part of the second main surface. A thickness of the superconducting material layer located on the first main surface varies along the width direction. A maximum thickness of the superconducting material layer located on the second main surface is smaller than a maximum thickness of the superconducting material layer located on the first main surface.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: May 30, 2023
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Takashi Yamaguchi, Tatsuoki Nagaishi, Masaya Konishi, Takeshi Yamana, Kenji Motoi
  • Patent number: 11647900
    Abstract: According to some aspects, a medical imaging system is provided. The medical imaging system includes an illumination device and a medical imaging device. The illumination device includes a first light source configured to emit first light having a wavelength range. The illumination device further includes a second light source configured to emit second light having at least one predetermined wavelength band. The at least one predetermined wavelength band is within the wavelength range. The illumination device further includes a dichroic mirror configured to attenuate a portion of the wavelength range corresponding to the at least one predetermined wavelength band and to multiplex the second light with the first light such that the portion of the wavelength range of the first light is attenuated. The light multiplexed by the dichroic mirror is emitted from the illumination device along an optical axis and irradiates an observation site.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: May 16, 2023
    Assignee: SONY CORPORATION
    Inventors: Goh Matsunobu, Takashi Yamaguchi, Akio Furukawa
  • Publication number: 20230135727
    Abstract: An impeller connected to a motor having a drive shaft includes a back plate having a boss having a shaft hole through which the drive shaft is inserted, a ring-shaped rim provided to face the back plate, and a plurality of blades connected to the back plate and the rim and arranged along a circumferential direction of the back plate about the rotation shaft. The back plate includes a first surface portion on which the plurality of blades are formed, a second surface portion provided at a region between the boss and the first surface portion and depressed from the first surface portion in an axial direction of the rotation shaft, and a plurality of projections provided at the second surface portion and extending in the axial direction.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 4, 2023
    Inventors: Takuya TERAMOTO, Hiroyasu HAYASHI, Ryo HORIE, Takashi YAMAGUCHI, Tomohiro NAGANO, Kazuya MICHIKAMI, Takahiro YAMATANI, Hiroshi TSUTSUMI
  • Publication number: 20230130474
    Abstract: An impeller includes: a main plate to be rotated; an annular side plate having a suction port for air; and blades in a circumferential direction. Each of the blades has: an inner peripheral end; an outer peripheral end; a sirocco blade portion that includes the outer peripheral end, and forms a forward-swept blade; and a turbo blade portion that includes the inner peripheral end and forms a swept-back blade. The blade has an end portion facing the suction port and a base portion connected to the main plate, and the end portion has a smaller thickness than that of the base portion in the sirocco blade portion. The end portion of the blade has a blade shape, and in the end portion having the blade shape, a first blade thickness of an inner circumferential side of the impeller is greater than a second blade thickness of the outer circumferential side.
    Type: Application
    Filed: October 22, 2020
    Publication date: April 27, 2023
    Inventors: Takuya TERAMOTO, Hiroyasu HAYASHI, Ryo HORIE, Takashi YAMAGUCHI, Tomohiro NAGANO, Kazuya MICHIKAMI, Takahiro YAMATANI
  • Publication number: 20230097646
    Abstract: An object of the present invention is to provide a curing catalyst, a resin composition, a sealing material, an adhesive agent, and a cured product, which have good characteristics. A curing catalyst for epoxy resin, which contains an epoxy imidazole adduct having structural formula (I) below, is prepared. Furthermore, a resin composition containing the curing catalyst, a sealing material or an adhesive agent each containing the resin composition, and a cured product obtained by curing the resin composition are prepared. (In the formula, R1 is a group selected from hydrogen, phenyl, and C1-C17 alkyls, and R2 and R3 are each independently a group selected from hydrogen and C1-C6 alkyls.
    Type: Application
    Filed: April 24, 2020
    Publication date: March 30, 2023
    Inventors: Yuya NAKAI, Takashi YAMAGUCHI
  • Publication number: 20230101181
    Abstract: A curable photosensitive resin composition which can be cured at a relatively low temperature, has excellent developability and adhesion to a support, and a cured product that realizes low dielectric constant properties. A curable photosensitive resin composition containing a polyimide resin (A) which is a reaction product of monomer groups containing an aromatic tetracarboxylic anhydride (a1) and a diamine (a2) containing a dimer diamine, maleimides (B), and a polyfunctional polymerizable compound (C) having two or more ethylenic double bonds other than the component (A) and the component (B), a cured product, a photosensitive element, a resist pattern, a method of producing a resist pattern, a semiconductor device and an electronic device.
    Type: Application
    Filed: September 28, 2022
    Publication date: March 30, 2023
    Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.
    Inventors: Takashi Yamaguchi, Taiyou Nakamura, Atsushi Shiotani, Keisuke Sugimoto, Madoka Yamashita, Takashi Tasaki
  • Publication number: 20230047294
    Abstract: To generate a medical image with high visibility in fluorescence observation. A medical image generation apparatus (100) according to the present application includes an acquisition unit (131), a calculation unit (132), and a generation unit (134). An acquisition unit (131) acquires a first medical image captured with fluorescence of a predetermined wavelength and a second medical image captured with fluorescence of a wavelength different from the predetermined wavelength. A calculation unit (132) calculates a degree of scattering, indicating a degree of blurring of fluorescence of a living body, included in the first medical image and the second medical image acquired by the acquisition unit (131). A generation unit (134) generates an output image on the basis of at least one of the degrees of scattering calculated by the calculation unit (132).
    Type: Application
    Filed: December 23, 2020
    Publication date: February 16, 2023
    Applicant: Sony Group Corporation
    Inventors: Kentaro FUKAZAWA, Takanori FUKAZAWA, Takashi YAMAGUCHI, Seiji WADA
  • Publication number: 20230025120
    Abstract: A hard wafer grinding method includes a rough grinding step of forming a section along the diameter of a hard wafer into a centrally recessed shape by roughly grinding the hard wafer such that a central part of the hard wafer is thinner than a peripheral part of the hard wafer, a finish grinding step of expanding a ground area of the hard wafer from the peripheral part in an annular shape to the central part while dressing lower surfaces of finish grinding stones by the peripheral part of the hard wafer of the centrally recessed shape after the rough grinding, then setting the whole of a radius part of the hard wafer as the ground area, and further finish-grinding the hard wafer so as to obtain a predetermined thickness.
    Type: Application
    Filed: July 12, 2022
    Publication date: January 26, 2023
    Inventors: Daisuke AKITA, Makoto SAITO, Takashi YAMAGUCHI
  • Publication number: 20220393680
    Abstract: A persistent current switch includes a superconducting wire, a heater, and an insulating member. The superconducting wire includes a substrate and a superconducting layer provided on the substrate. The superconducting layer includes a first principal surface facing the substrate and a second principal surface on an opposite side of the first principal surface. The heater is disposed only on the second principal surface side with respect to the superconducting layer. The insulating member is provided between the second principal surface of the superconducting layer and the heater.
    Type: Application
    Filed: June 25, 2020
    Publication date: December 8, 2022
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Takashi YAMAGUCHI, Kotaro OHKI, Tatsuoki NAGAISHI
  • Patent number: 11514786
    Abstract: This vehicle-mounted device installed in a vehicle is provided with a communication unit that communicates with a mobile terminal; a vehicle information acquiring unit that acquires operation information of the vehicle; and a vehicle-mounted controller that, on the basis of an operating status of the vehicle-mounted device, transmits a first notification notifying the mobile terminal of the possibility that the vehicle has stopped to the mobile terminal via the communication unit and that, on the basis of the operation information of the vehicle, transmits a second notification notifying the mobile terminal that the vehicle has stopped to the mobile terminal via the communication unit.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: November 29, 2022
    Assignee: Faurecia Clarion Electronics Co., Ltd.
    Inventors: Tsuyoshi Hano, Takashi Yamaguchi
  • Publication number: 20220372990
    Abstract: An impeller includes a main plate, an annular side plate and blades. The blades each have: an inner circumferential end; an outer circumferential end; a sirocco blade portion formed as a forward-swept blade portion, and having an outlet angle that is greater than 90 degrees; and a turbo blade portion formed as a swept-back blade portion and including the inner circumferential end. The blades include a first blade portion and a second blade portion that are provided on respective sides of the main plate. The impeller including a region in which a first inter-blade distance is greater than a second inter-blade distance, where an inlet-blade distance is a distance between any adjacent two of the blades in the circumferential direction, the first inter-blade distance is the inter-blade distance of the first blade portion, and the second inter-blade distance is the inter-blade distance of the second blade portion.
    Type: Application
    Filed: December 23, 2019
    Publication date: November 24, 2022
    Inventors: Takuya TERAMOTO, Hiroyasu HAYASHI, Ryo HORIE, Takashi YAMAGUCHI, Tomohiro NAGANO, Kazuya MICHIKAMI, Takahiro YAMATANI, Hiroshi TSUTSUMI
  • Publication number: 20220351880
    Abstract: A superconducting wire holding structure includes a holding member made of a first material, a superconducting wire disposed inside the holding member, and a filler made of a second material different from the first material. The superconducting wire includes a substrate, an intermediate layer formed on the substrate, a superconducting layer formed on the intermediate layer, and a first protective layer and a second protective layer that are formed on the superconducting layer. The superconducting layer includes a first portion, a second portion, and a third portion between the first portion and the second portion along a longitudinal direction of the superconducting wire. The first protective layer is formed on the first portion, and the second protective layer is formed on the second portion. The filler is filled between the third portion and the holding member.
    Type: Application
    Filed: August 31, 2020
    Publication date: November 3, 2022
    Applicants: Sumitomo Electric Industries, Ltd., RIKEN, Japan Superconductor Technology, Inc.
    Inventors: Takashi YAMAGUCHI, Kotaro OHKI, Tatsuoki NAGAISHI, Yoshinori YANAGISAWA, Mamoru HAMADA
  • Publication number: 20220344564
    Abstract: A persistent current switch includes a superconducting wire including a substrate and a superconducting layer disposed on the substrate, and a heater. The superconducting wire includes a surface including a first portion and a second portion that are disposed apart from each other along a longitudinal direction of the superconducting wire. The first portion and the second portion face each other. The heater is sandwiched between the first portion and the second portion.
    Type: Application
    Filed: August 31, 2020
    Publication date: October 27, 2022
    Applicants: Sumitomo Electric Industries, Ltd., RIKEN, Japan Superconductor Technology, Inc.
    Inventors: Takashi YAMAGUCHI, Kotaro OHKI, Tatsuoki NAGAISHI, Yoshinori YANAGISAWA, Mamoru HAMADA
  • Patent number: 11454282
    Abstract: A sintered bearing includes, on an inner peripheral surface, a cylindrical portion and a one-side increased-diameter portion, which are provided so as to be continuous in the axial direction. An end portion of one side in the axial direction of the cylindrical portion and an end portion of another side in the axial direction of the increased-diameter portion coincide, and the cylindrical portion and the increased-diameter portion are molded by performing sizing on a sintered compact having a tubular shape, which is introduced into a die.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 27, 2022
    Assignee: NTN CORPORATION
    Inventors: Tomonori Yamashita, Yoshinori Ito, Takashi Yamaguchi
  • Patent number: 11443463
    Abstract: Provided is an X-ray CT apparatus including an X-ray irradiation unit that rotates around a placement portion on which an irradiation target is placed and emits X-rays; an X-ray detection unit that detects the X-rays emitted from the X-ray irradiation unit and passed through the irradiation target; and an image reconstruction unit that reconstructs a tomographic image of the irradiation target based on image data of the X-rays detected by the X-ray detection unit, in which the image reconstruction unit calculates a scattered ray component scattered in each of a plurality of three-dimensional spaces obtained by partitioning the irradiation target by a predetermined size among the X-rays detected by the X-ray detection unit in consideration of an atom number density per unit volume in each of sections included in the plurality of three-dimensional spaces and an atomic number, and reconstructs the tomographic image in consideration of the scattered ray component.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: September 13, 2022
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventor: Takashi Yamaguchi
  • Publication number: 20220280811
    Abstract: A charged particle beam irradiation system irradiating an irradiation target in an object with a charged particle beam, includes a scanning electromagnet, an irradiator irradiating the irradiation target with the charged particle beam by performing scanning with the charged particle beam with the scanning electromagnet, an adjusting member adjusting a penumbra of the charged particle beam with the scanning performed, and a holder provided on the irradiator and holding the adjusting member.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 8, 2022
    Inventors: Takashi Yamaguchi, Shouhei Mizutani, Masayuki Araya, Yuya Sugama
  • Patent number: 11434238
    Abstract: The present invention relates to a novel method for producing a triazolopyridine compound or a salt thereof having a PHD inhibitory action and useful for treating or preventing diseases caused by decreased production of EPO, or the like. The present invention provides a method for producing 2-({[7-hydroxy-5-(2-phenylethyl)-[1,2,4]triazolo[1,5-a]pyridin-8-yl]carbonyl}amino)acetic acid comprising a step of reacting Compound [VI]: wherein R61, R62 and R111 are as defined in the specification, or a salt thereof.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: September 6, 2022
    Assignee: Japan Tobacco Inc.
    Inventors: Fumito Shimoma, Takashi Yamaguchi, Shoichi Sagawa
  • Patent number: 11422064
    Abstract: In this control apparatus design method, a feedback control system comprises a generalization plant including a nominal plant N representing the input/output characteristic of an object to be controlled and a fluctuation unit ? for making at least one model parameter included in the nominal plant N fluctuate, and a controller for applying input to the generalization plant P on the basis of output from the generalization plant P. The controller is designed so as to satisfy a prescribed design condition. The nominal plant N comprises a nominal value multiplication unit for multiplying an input signal ? by a nominal value for the model parameter and an addition unit for adding a fluctuation output signal ? from the fluctuation unit ? and an output signal from the nominal value multiplication unit. Further, the fluctuation unit ? generates the fluctuation output signal ? using a mapping ?p obtained from a Cayley transform of unbounded complex fluctuation ?g.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: August 23, 2022
    Assignees: MEIDENSHA CORPORATION, NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Takashi Yamaguchi, Kang-Zhi Liu
  • Patent number: 11380463
    Abstract: A superconducting coil according to the present disclosure includes: a substrate having a first surface and a second surface; a superconducting layer having a third surface and a fourth surface; respective stabilization layers; and respective protective layers. The second surface is opposite to the first surface. The fourth surface is opposite to the third surface. The superconducting layer is disposed on the substrate such that the third surface faces the second surface. The respective stabilization layers are disposed on the first surface and the fourth surface. The respective protective layers are disposed on the stabilization layers. Adhesion strength between each of the stabilization layers and each of the protective layers is lower than strength of the superconducting layer.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: July 5, 2022
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Takashi Yamaguchi, Tatsuoki Nagaishi, Masaya Konishi
  • Patent number: RE49273
    Abstract: A switch according to an embodiment includes a first PCIe interface that can be connected to a host on the basis of a PCIe standard. In addition, the switch includes a plurality of second PCIe interfaces that can be connected to a plurality of storage devices, respectively, on the basis of the PCIe standard. The switch further includes a control unit that distributes an access request which is comply with an NVMe standard and is transmitted from the host to any one of the plurality of second PCIe interfaces. The distribution includes a process of constructing an NVMe command of the access request and a process of constructing a data transmission descriptor list of the access request.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: November 1, 2022
    Assignee: KIOXIA CORPORATION
    Inventors: Takashi Yamaguchi, Norikazu Yoshida, Mitsuru Anazawa