Patents by Inventor Kohei Ota

Kohei Ota 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: 20220387983
    Abstract: There is provided an exhaust gas purification device that shows a high HC removal performance under a condition in which a rich air-fuel mixture is introduced. The exhaust gas purification device includes a substrate, a first catalyst layer, and a second catalyst layer. The substrate includes an upstream end and a downstream end. The first catalyst layer is disposed on a surface of the partition wall in an upstream region including the upstream end of the substrate. The second catalyst layer is disposed inside the partition wall in a downstream region including the downstream end of the substrate. The first catalyst layer contains a first metal catalyst and alumina-zirconia composite oxide. The second catalyst layer contains a second metal catalyst.
    Type: Application
    Filed: May 24, 2022
    Publication date: December 8, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATION
    Inventors: Koji SUGIURA, Takeshi HIRABAYASHI, Akemi SATOU, Keisuke MURAWAKI, Takaya OTA, Masatoshi IKEBE, Kohei TAKASAKI, Takeshi MORISHIMA
  • Patent number: 11521845
    Abstract: The present invention provides a lamp device comprising: a glass tube configured to cover a discharge space in which a pair of electrodes are arranged so as to face each other; and a bayonet cap portion provided in an end portion of the glass tube and electrically connected to one electrode of the pair of electrodes, wherein the bayonet cap portion is formed to have a shape including a bottom surface and a peripheral surface, and includes, in the bottom surface, a first opening configured to supply a gas to an inside of the bayonet cap portion and a second opening configured to exhaust the gas from the inside of the bayonet cap portion.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: December 6, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hideki Matsumoto, Yasushi Sugiyama, Kohei Suzuki, Yukihiro Yokota, Shunsuke Ota
  • Publication number: 20220370997
    Abstract: The exhaust gas purification device includes a substrate, a first catalyst layer, and a second catalyst layer. The substrate includes an upstream end, a downstream end, and a porous partition wall defining a plurality of cells extending between the upstream end and the downstream end. The plurality of cells include an inlet cell opening at the upstream end and sealed at the downstream end, and an outlet cell adjacent to the inlet cell sealed at the upstream end and opening at the downstream end. The first catalyst layer is disposed on a surface of the partition wall in an upstream region. In a downstream region, the second catalyst layer is disposed inside the partition wall, and a second catalyst-containing wall including the partition wall and the second catalyst layer has a porosity of 35% or more.
    Type: Application
    Filed: May 2, 2022
    Publication date: November 24, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATION
    Inventors: Koji SUGIURA, Takeshi HIRABAYASHI, Akemi SATOU, Keisuke MURAWAKI, Takaya OTA, Masatoshi IKEBE, Kohei TAKASAKI, Takeshi MORISHIMA
  • Publication number: 20220347626
    Abstract: An exhaust gas purification device suppresses a pressure loss increase and includes a honeycomb substrate and inflow cell side catalyst layer. The substrate includes a porous partition wall defining several cells extending from an inflow side end surface to an outflow side end surface. The cells include an inflow and outflow cell adjacent across the wall. The inflow cell has an open inflow side end and sealed outflow side end. The outflow cell has a sealed inflow side end and open outflow side end. The catalyst layer is on an inflow cell side surface in an region extending from the inflow side end positioned 10% or more of the partition wall length. At this position, a filled portion of the inflow cell side catalyst layer pores are 40% or less. The pores are present to a depth of 50% of a thickness of the partition wall.
    Type: Application
    Filed: April 11, 2022
    Publication date: November 3, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATION
    Inventors: Akemi SATO, Takeshi HIRABAYASHI, Koji SUGIURA, Keisuke MURAWAKI, Takaya OTA, Masatoshi IKEBE, Kohei TAKASAKI, Takeshi MORISHIMA
  • Publication number: 20220289973
    Abstract: A curable resin composition having fast-curing properties, high heat resistance, and excellent infiltration properties. The composition contains: a cyanate ester resin, an epoxy resin, a latent curing agent, and an inorganic pigment containing at least one metal selected from titanium, iron, copper, chromium, zirconium, calcium, manganese, and zinc. The inorganic pigment preferably has a primary particle size of 5 to 150 nm. The inorganic pigment is preferably present in an amount of 0.01 to 10 parts by mass per 100 parts by mass of the sum of the cyanate ester resin and the epoxy resin.
    Type: Application
    Filed: September 2, 2020
    Publication date: September 15, 2022
    Inventors: Keisuke OTA, Kohei HIRAYAMA, Shinsuke YAMADA, Ryo OGAWA
  • Publication number: 20220282139
    Abstract: There is provided a photocurable adhesive which is capable of reducing the amount of gas discharged from the cured product. A photocurable adhesive is formulated to be curable by laser light irradiation, The photocurable adhesive contains an epoxy adhesive component, and a light-absorbing component configured to generate heat by laser light irradiation.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 8, 2022
    Applicants: DENSO CORPORATION, ADEKA CORPORATION
    Inventors: Kazuma YAMAGUCHI, Takao IZUMI, Keisuke OTA, Kohei HIRAYAMA, Shinsuke YAMADA, Ryo OGAWA
  • Publication number: 20220282138
    Abstract: There is provided a photocurable adhesive having good deep-section curability. A photocurable adhesive is formulated to be curable by laser light irradiation. The photocurable adhesive contains an epoxy adhesive component and titanium black. The content of the titanium black is 1 ppm by mass or more and 150 ppm by mass or less relative to 100 parts by mass of the epoxy adhesive component. The titanium black may have a primary particle size of 5 nm or more and 150 nm or less.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 8, 2022
    Inventors: Kazuma YAMAGUCHI, Takao IZUMI, Keisuke OTA, Kohei HIRAYAMA, Shinsuke YAMADA, Ryo OGAWA
  • Patent number: 11424660
    Abstract: A motor-driven compressor includes a compression mechanism, an electric motor, an inverter, a housing, and a cover defining an accommodation chamber with the housing to accommodate the inverter. The cover includes a plate-shaped body wall and insertion holes extending through a periphery of the body wall. The body wall includes a first surface opposed to the inverter in the accommodation chamber, a second surface, a first thickness portion having a first thickness, and a second thickness portion located around at least one of the insertion holes. The second thickness portion has a second thickness that is smaller than the first thickness and is obtained by recessing the body wall from the first surface toward the second surface.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 23, 2022
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kohei Fukumitsu, Suehiro Fukazawa, Takayuki Ota, Kazuya Matsumoto, Takahiro Suzuki, Atsushi Nishizawa
  • Patent number: 11313801
    Abstract: The sample imaging apparatus includes: a housing that forms a closed space; a transparent tray on which a sample is placed in the housing; a plane light source that is formed by using a flat light guide plate, which propagates light emitted by a light emitting element in a plane direction, so as to illuminates the sample with illumination light through the tray in the housing; a lens that is disposed in the housing so as to face the plane light source with the tray interposed between the lens and the plane light source and is used for imaging the sample; and an imaging control unit that adjusts a focal length of the lens and performs imaging in a case of imaging the single sample.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: April 26, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Kohei Ota, Takuji Tada
  • Patent number: 11221420
    Abstract: A detection element includes an exposed electrode on the first surface of an insulating substrate, the exposed electrode including first exposed electrode, second exposed electrode, third exposed electrode, and fourth exposed electrode provided; a first electrode pattern provided on a side opposite to the first surface, the first electrode pattern including a pattern connected to the first exposed electrode and the second exposed electrode, a pattern connected to the third exposed electrode and the fourth exposed electrode, a second electrode pattern having a first exposed portion and a pattern provided along the second direction, and a third electrode pattern having a second exposed portion and a pattern provided along the third direction, provided so as to sandwich the third electrode pattern between the first electrode pattern and the second electrode pattern.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: January 11, 2022
    Assignees: KYOTO UNIVERSITY, DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsushi Takada, Toru Tanimori, Kohei Ota, Tomohisa Motomura, Ryoichi Ohigashi, Osamu Shimada
  • Publication number: 20210270012
    Abstract: A work implement lever is supported by a left console for operating a work implement. A steering control lever is supported by a left console behind the work implement lever for operating a steering mechanism. The steering control lever includes an upper surface and a stick located below the upper surface. The upper surface is pivotable with a center of pivot of the stick being the center, and the upper surface has an arc shape as viewed from a direction in which the center of pivot extends.
    Type: Application
    Filed: February 26, 2019
    Publication date: September 2, 2021
    Applicant: KOMATSU LTD.
    Inventors: Hajime SUMIYA, Masahiko HAMAGUCHI, Kohei OTA, Daisuke HASHIBA
  • Patent number: 11102423
    Abstract: An image pickup apparatus includes an image pickup device that picks up a subject by driving by a rolling shutter method, a memory that stores a set of instructions and at least one processor that executes the instructions to divide, when driving the image pickup device at a second frame rate lower than a first frame rate, a plurality pieces of image data successively acquired by the image pickup device at the second frame rate into predetermined areas to acquire data of divided areas, and perform flicker detection using a predetermined number of pieces of the data of the divided areas successive for a plurality of frames.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 24, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kohei Ota
  • Publication number: 20210208291
    Abstract: A detection element includes an exposed electrode on the first surface of an insulating substrate, the exposed electrode including first exposed electrode, second exposed electrode, third exposed electrode, and fourth exposed electrode provided; a first electrode pattern provided on a side opposite to the first surface, the first electrode pattern including a pattern connected to the first exposed electrode and the second exposed electrode, a pattern connected to the third exposed electrode and the fourth exposed electrode, a second electrode pattern having a first exposed portion and a pattern provided along the second direction, and a third electrode pattern having a second exposed portion and a pattern provided along the third direction, provided so as to sandwich the third electrode pattern between the first electrode pattern and the second electrode pattern.
    Type: Application
    Filed: March 5, 2021
    Publication date: July 8, 2021
    Applicants: KYOTO UNIVERSITY, DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsushi TAKADA, Toru TANIMORI, Kohei OTA, Tomohisa MOTOMURA, Ryoichi OHIGASHI, Osamu SHIMADA
  • Patent number: 11041554
    Abstract: A feed mechanism, which is capable of suppressing feed irregularity caused by the inclination of a nut of a feed screw, is obtained. A feed mechanism (sub-scanning mechanism) includes a feed screw that includes a screw shaft and a nut and a moving body, and the nut is moved on the screw shaft by a rotation of the screw shaft, so that the moving body is moved in the direction of the screw shaft. The inclination of the moving body with respect to the nut is allowed in a case in which the moving body is moved by a movement of the nut.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: June 22, 2021
    Assignee: FUJIFILM Corporation
    Inventor: Kohei Ota
  • Patent number: 10712453
    Abstract: A detection element can obtain a high-resolution radiation image having a high signal intensity and a high S/N ratio. A detection element including a substrate having a through hole, an insulating layer arranged inside of the through hole, a through electrode arranged further to the inner side of the through hole than the insulating layer, a resin layer having insulating properties and having an opening portion exposing the through electrode, a first electrode arranged above the through electrode and the resin layer, the first electrode being connected to the through electrode through the opening portion, and a second electrode arranged above the resin layer, the second electrode being separated from the first electrode.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: July 14, 2020
    Assignee: DAI NIPPON PRINTING Co., Ltd.
    Inventors: Kohei Ota, Tomohisa Motomura, Takamasa Takano, Koichi Nakayama
  • Publication number: 20200137291
    Abstract: An image pickup apparatus includes an image pickup device that picks up a subject by driving by a rolling shutter method, a memory that stores a set of instructions and at least one processor that executes the instructions to divide, when driving the image pickup device at a second frame rate lower than a first frame rate, a plurality pieces of image data successively acquired by the image pickup device at the second frame rate into predetermined areas to acquire data of divided areas, and perform flicker detection using a predetermined number of pieces of the data of the divided areas successive for a plurality of frames.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 30, 2020
    Inventor: Kohei Ota
  • Publication number: 20200103349
    Abstract: The sample imaging apparatus includes: a housing that forms a closed space; a transparent tray on which a sample is placed in the housing; a plane light source that is formed by using a flat light guide plate, which propagates light emitted by a light emitting element in a plane direction, so as to illuminates the sample with illumination light through the tray in the housing; a lens that is disposed in the housing so as to face the plane light source with the tray interposed between the lens and the plane light source and is used for imaging the sample; and an imaging control unit that adjusts a focal length of the lens and performs imaging in a case of imaging the single sample.
    Type: Application
    Filed: September 24, 2019
    Publication date: April 2, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Kohei OTA, Takuji TADA
  • Patent number: 10359521
    Abstract: A radiation image forming apparatus includes a detection unit including a plurality of Compton cameras. Each of the plurality of Compton cameras including a radiation detection device that includes a plurality of pixels, each configured to detect an electron generated by the track of a recoil electron generated by Compton scattering, and is configured to output a detection signal configured to specify the position of a pixel that has detected the electron and a time when the pixel has detected the electron, and a detection module configured to detect the incident position of scattered ? rays generated by the Compton scattering. The plurality of the Compton cameras arranged annularly to surround a region in which a specimen is placed.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: July 23, 2019
    Assignee: DAI NIPPON PRINTING Co., Ltd.
    Inventors: Kohei Ota, Motonori Ohno
  • Publication number: 20190063570
    Abstract: A feed mechanism, which is capable of suppressing feed irregularity caused by the inclination of a nut of a feed screw, is obtained. A feed mechanism (sub-scanning mechanism) includes a feed screw that includes a screw shaft and a nut and a moving body, and the nut is moved on the screw shaft by a rotation of the screw shaft, so that the moving body is moved in the direction of the screw shaft. The inclination of the moving body with respect to the nut is allowed in a case in which the moving body is moved by a movement of the nut.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 28, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Kohei OTA
  • Patent number: 10175365
    Abstract: A radiation detection element includes a plurality of pixel electrodes, each pixel electrodes including a first electrode placed on the first surface of an insulating member and having an opening portion and a second electrode placed at the opening portion of the first electrode. The plurality of pixel electrodes is arrayed in the row direction and the column direction. The pitch of the pixel electrodes in the row direction and the column direction is 380 ?m or less. An area ratio between the first electrode and the second electrode falls within the range of 14.5:1 to 154.6:1.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: January 8, 2019
    Assignee: DAI NIPPON PRINTING Co., Ltd.
    Inventors: Tomohisa Motomura, Kohei Ota, Toru Tanimori, Atsushi Takada, Taito Takemura