Patents by Inventor Kohei Matsumoto

Kohei Matsumoto 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: 12180320
    Abstract: Provided are a low-viscosity ultraviolet curable silicone composition capable of being used even in a surface exposure method and a lift-up method etc.; and a cured product superior in tensile strength and elongation at break.
    Type: Grant
    Filed: December 29, 2023
    Date of Patent: December 31, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Nobuaki Matsumoto, Kohei Otake, Taichi Kitagawa, Tsuyoshi Matsuda, Toshiyuki Ozai
  • Patent number: 12168745
    Abstract: (A) an organopolysiloxane having, per molecule, two groups each represented by formula (1) (R1 represents a C1-20 monovalent hydrocarbon group, R2 represents an oxygen atom or the like, R3 represents an acryloyloxyalkyl group or the like, and p and a respectively represent numbers satisfying 0-10 and 1-3); (B) a monofunctional (meth)acrylate compound not including a siloxane structure; (C) an organopolysiloxane resin which comprises a unit (a) represented by formula (2) (R1, R2, R3, a, and p are identical to those described above), a R43SiO1/2 unit (b) (in the formula, R4 represents a monovalent hydrocarbon group having 1-10 carbon atoms), and a SiO4/2 unit (c), and in which the mole ratio of the total of units (a) and (b) to unit (c) is in a range of 0.4 to 1.2:1; and (D) a photoinitiator.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: December 17, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kohei Otake, Taichi Kitagawa, Nobuaki Matsumoto, Toshiyuki Ozai, Yoshinori Ogawa
  • Publication number: 20240393180
    Abstract: An interferometer including an analysis unit and a length measurement unit, wherein the analysis unit includes an analysis optical system that includes a first light source configured to emit an analysis light, a moving mirror that reflects the analysis light, and a first light receiving element that receives the analysis light, and is used for analysis of the sample using interference of the analysis light, and a mirror drive unit that drives the moving mirror based on a mirror drive signal, the length measurement unit includes a length measurement optical system that includes a laser source, a light modulator that adds a modulation component by modulating a frequency of the laser beam using a vibrating element, and a second light receiving element that receives the laser beam including the length measurement component and the modulation component generated when the moving mirror is irradiated with the laser beam, and outputs a second received light signal, and is used for detection of a position of the movi
    Type: Application
    Filed: May 23, 2024
    Publication date: November 28, 2024
    Inventors: Kohei YAMADA, Tetsuro MATSUMOTO
  • Patent number: 12149121
    Abstract: A stator may include a stator core and a coil. The stator core may include: a first portion; a second portion; and a first intermediate portion interposed between the first portion and the second portion in the axial direction. A first segment conductor and a second segment conductor may overly each other in a circumferential direction of the stator core hr a slot within an area of the first intermediate portion. A first side surface may include a first protrusion provided by the first intermediate portion protruding with respect to the first portion and the second portion. The first segment conductor and the second segment conductor may be held between the first protrusion and a second side surface such that the first, segment conductor and the second segment conductor are connected with each other.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: November 19, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kohei Watanabe, Masashi Matsumoto, Hiroshi Inano
  • Patent number: 12116438
    Abstract: A thermoplastic resin composition including polycarbonate and ABS resin having superior impact resistance, chemical resistance, flowability, and color phase, and a molded article thereof is provided. A thermoplastic resin composition includes maleimide based copolymer (A) including aromatic vinyl monomer unit, vinyl cyanide monomer unit, and maleimide monomer unit; polycarbonate (B); and at least one resin (C) selected from the group including ABS resin, ASA resin, AES resin, and SAN resin; wherein: the maleimide monomer unit is contained by 0.5 to 10 mass % and the polycarbonate (B) is contained by 20 to 70 mass % in 100 mass % of the thermoplastic resin composition.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: October 15, 2024
    Assignee: DENKA COMPANY LIMITED
    Inventors: Masanori Matsumoto, Kohei Nishino
  • Patent number: 12092970
    Abstract: An image forming apparatus, to which a cartridge including a developer accommodating portion for accommodating a developer is detachably mountable, includes an image bearing member, an exposure unit configured to expose the image bearing member to light to form an electrostatic latent image on the image bearing member, a light receiving sensor provided in the cartridge and configured to receive the light emitted from the exposure unit, and a controller configured to detect vibration of the cartridge from a light reception value of the light received by the light receiving sensor. In a case in which the cartridge is removed from the image forming apparatus, the light receiving sensor is removed from the image forming apparatus together with the cartridge.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: September 17, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kohei Matsuda, Junko Hirata, Kazunori Hashimoto, Yasushi Katsuta, Makoto Hayashida, Yasunori Toriyama, Hiroomi Matsuzaki, Fumito Nonaka, Kazuki Matsumoto, Tetsuya Nishiguchi
  • Publication number: 20240279372
    Abstract: A maleimide-based copolymer containing: 40% to 65% by mass of an aromatic vinyl-based monomer unit; and 35% to 60% by mass of a maleimide-based monomer unit, in which a residual amount of an aromatic vinyl-based monomer is 200 to 2000 ppm by mass, and a residual amount of a maleimide-based monomer is 30 to 400 ppm by mass.
    Type: Application
    Filed: June 8, 2021
    Publication date: August 22, 2024
    Applicant: Denka Company Limited
    Inventors: Masanori MATSUMOTO, Kohei NISHINO
  • Publication number: 20240250105
    Abstract: A semiconductor apparatus according to the present invention includes: a semiconductor component including a cell array and a plurality of wirings; and a semiconductor component including a plurality of pads connected to the semiconductor component including the cell array. A first row pad connected to a row wiring connected to a first cell and a second cell, a second row pad connected to a row wiring connected to a third cell and a fourth cell, and a column pad connected to a column wiring connected to the first cell and the third cell are arranged such that a straight line connecting the first row pad and the column pad crosses a straight line connecting the second row pad and the column pad.
    Type: Application
    Filed: April 3, 2024
    Publication date: July 25, 2024
    Inventors: Kohei Matsumoto, Hideo Kobayashi, Daisuke Yoshida
  • Patent number: 12041727
    Abstract: Provided are a surface-treated glass cloth that enables the reliability of a printed wiring board to be improved, a prepreg, and a printed wiring board. In the surface-treated glass cloth, a surface-treated layer contains a silane coupling agent, the amount of carbon attached of an adhering component of the surface-treated layer is in the range of 0.030 to 0.060% by mass, the arithmetic average height of the surface of the adhering component of the surface-treated layer is in the range of 1.0 to 3.0 nm, and the product of the amount of carbon attached of the adhering component and the arithmetic average height of the surface of the adhering component is in the range of 0.060 to 0.100.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: July 16, 2024
    Assignee: Nitto Boseki Co., Ltd.
    Inventors: Kazutaka Adachi, Kohei Matsumoto
  • Patent number: 11978755
    Abstract: A semiconductor apparatus according to the present invention includes: a semiconductor component including a cell array and a plurality of wirings; and a semiconductor component including a plurality of pads connected to the semiconductor component including the cell array. A first row pad connected to a row wiring connected to a first cell and a second cell, a second row pad connected to a row wiring connected to a third cell and a fourth cell, and a column pad connected to a column wiring connected to the first cell and the third cell are arranged such that a straight line connecting the first row pad and the column pad crosses a straight line connecting the second row pad and the column pad.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: May 7, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kohei Matsumoto, Hideo Kobayashi, Daisuke Yoshida
  • Patent number: 11846731
    Abstract: Provided is a distance detection device attached to a position at which it surrounds a camera lens device. The distance detection device has a light emitting element configured to irradiate a target region with irradiation light and a light receiving element configured to receive reflected light of the irradiation light from a target in the target region. The distance detection device acquires distance information indicating a distance to the target on the basis of a time until the light receiving element receives the reflected light after the light emitting element performs irradiation with the irradiation light and communicates the distance information.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: December 19, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kohei Matsumoto, Katsuhiro Doshin, Ayumu Nemoto, Dai Naito, Yuto Suzuki
  • Publication number: 20230258913
    Abstract: An optical apparatus includes first and second lens groups, a guide barrel having a straight-guiding groove, a cam barrel, and an interlocking member having a first coupling portion. The cam barrel includes a first cam groove that moves the first lens group and a second cam groove that is different from the first cam groove and moves the interlocking member. When the second lens group changes a focal length range of an optical system from a second focal length range to a first focal length range, the first lens group is moved in a direction of an optical axis by the straight-guiding groove and the first cam groove, the interlocking member is moved in the direction of the optical axis by the straight-guiding groove and the second cam groove, and the first coupling portion withdraws the second lens group to outside of an optical path of the first lens group.
    Type: Application
    Filed: December 14, 2022
    Publication date: August 17, 2023
    Inventors: TORU ISHIMASA, MITSURU MOROHASHI, TOSHIHIRO OGAWA, KOHEI MATSUMOTO
  • Publication number: 20230258594
    Abstract: The present invention provides an electrode including: an electrode layer comprising an electrode material and a glucose oxidoreductase; a permeation restricting layer covering the enzyme electrode layer; and a glucose diffusion layer comprising a hydrophilic substance and disposed between the enzyme electrode layer and the permeation restricting layer.
    Type: Application
    Filed: February 13, 2023
    Publication date: August 17, 2023
    Applicant: ARKRAY, Inc.
    Inventor: Kohei MATSUMOTO
  • Publication number: 20230243361
    Abstract: A blower includes a blower fan, a direct current motor, and a motor controller. The direct current motor rotationally drives the blower fan. The motor controller controls the direct current motor. In controlling the direct current motor, the motor controller uses a control method selected out of a plurality of control methods having characteristic curves that incline differently from one another and intersect one another. Each of the characteristic curves represents an air volume versus static pressure relationship of the blower fan.
    Type: Application
    Filed: July 30, 2020
    Publication date: August 3, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kohei MATSUMOTO, Atsuo DOI, Yoshihiro FUKAYA
  • Publication number: 20230136002
    Abstract: An optical device includes a first lens group corresponding to a first optical axis, and a second lens group corresponding to a second optical axis and configured to change a focal length range of an optical system from a first focal length range to a second focal length range by being disposed on the first optical axis on a side of the first lens group adjacent to an image plane. The first lens group moves toward the image plane in a first direction parallel to the first optical axis. The second lens group moves in a second direction to allow at least part of the second lens group to overlap at least part of the first lens group in the first direction, and the second optical axis withdraws from the first optical axis.
    Type: Application
    Filed: October 20, 2022
    Publication date: May 4, 2023
    Inventors: Toru Ishimasa, Toshihiro Ogawa, Kohei Matsumoto, Mitsuru Morohashi
  • Publication number: 20230071895
    Abstract: Provided are a surface-treated glass cloth that enables the reliability of a printed wiring board to be improved, a prepreg, and a printed wiring board. In the surface-treated glass cloth, a surface-treated layer contains a silane coupling agent, the amount of carbon attached of an adhering component of the surface-treated layer is in the range of 0.030 to 0.060% by mass, the arithmetic average height of the surface of the adhering component of the surface-treated layer is in the range of 1.0 to 3.0 nm, and the product of the amount of carbon attached of the adhering component and the arithmetic average height of the surface of the adhering component is in the range of 0.060 to 0.100.
    Type: Application
    Filed: July 12, 2021
    Publication date: March 9, 2023
    Inventors: Kazutaka ADACHI, Kohei MATSUMOTO
  • Patent number: 11584687
    Abstract: The surface-treated glass cloth includes a surface treatment layer on a surface, and the surface treatment layer includes: a first silane coupling agent containing at least one amine selected from the group consisting of a primary amine, a secondary amine and a tertiary amine and containing no quaternary ammonium cation; a second silane coupling agent containing at least one quaternary ammonium cation; an organic acid; and a surfactant. A total content of the first silane coupling agent and the second silane coupling agent is 0.05 to 1.20 mass% based on the total amount of the surface-treated glass cloth, a ratio of a molar content of the first silane coupling agent to a molar content of the second silane coupling agent is 1.1 to 10.0, and a content of the organic acid is 50 to 300 ppm based on the total amount of the surface-treated glass cloth.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: February 21, 2023
    Assignee: Nitto Boseki Co., Ltd.
    Inventors: Kazutaka Adachi, Kohei Matsumoto, Hiromitsu Miyagi
  • Patent number: 11503231
    Abstract: An imaging device includes a first chip on which a plurality of first blocks is arranged in a matrix, and a second chip which includes a first block scanning circuit and a second block scanning circuit. The second chip includes a selection circuit configured to select driving timing given to a plurality of pixels, based on a signal output from the first block scanning circuit and a signal output from the second block scanning circuit. A second block includes a circuit other than the selection circuit.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: November 15, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kohei Matsumoto, Hirofumi Totsuka, Katsuhito Sakurai, Kohichi Nakamura
  • Publication number: 20220267204
    Abstract: The surface-treated glass cloth includes a surface treatment layer on a surface, and the surface treatment layer includes: a first silane coupling agent containing at least one amine selected from the group consisting of a primary amine, a secondary amine and a tertiary amine and containing no quaternary ammonium cation; a second silane coupling agent containing at least one quaternary ammonium cation; an organic acid; and a surfactant. A total content of the first silane coupling agent and the second silane coupling agent is 0.05 to 1.20 mass% based on the total amount of the surface-treated glass cloth, a ratio of a molar content of the first silane coupling agent to a molar content of the second silane coupling agent is 1.1 to 10.0, and a content of the organic acid is 50 to 300 ppm based on the total amount of the surface-treated glass cloth.
    Type: Application
    Filed: August 24, 2020
    Publication date: August 25, 2022
    Inventors: Kazutaka ADACHI, Kohei MATSUMOTO, Hiromitsu MIYAGI
  • Patent number: 11400406
    Abstract: A wet abatement system which can suppress the accumulation of foreign matters in a treatment gas line is proposed. There is provided a wet abatement system for detoxifying treatment gas by bringing the treatment gas into contact with liquid. The wet abatement system includes an inlet casing having an inlet port from which the treatment gas is let in and an outlet port provided below the inlet port and through which the treatment gas flows, and a liquid film forming device provided between the inlet port and the outlet port and configured to form a liquid film on an inner wall surface of the inlet casing. A heater configured to heat the inlet casing is embedded in an interior of a wall portion of the inlet casing, the wall portion constituting a portion situated above the liquid film forming device.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: August 2, 2022
    Assignee: EBARA CORPORATION
    Inventors: Takanori Inada, Kazumasa Hosotani, Kazutomo Miyazaki, Kohei Matsumoto