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).
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Publication number: 20240141095Abstract: Disclosed is a curable resin composition containing: (A) a cyanate ester resin; (B) an epoxy resin essentially including at least a 4-amino-3-methylphenol-type epoxy resin; and (C) a latent curing agent. Preferably, the cyanate ester resin (A) is at least one selected from the group consisting of compounds represented by formula (1) below, compounds represented by formula (2) below, and at least one of polymer of these compounds. Formula (1): NC—O-A1-Y1-A2-O—CN (See the Description for the symbols in the formula). Formula (2): (See the Description for the symbols in the formula).Type: ApplicationFiled: February 8, 2022Publication date: May 2, 2024Inventors: Keisuke OTA, Kohei HIRAYAMA, Ryo OGAWA, Shinsuke YAMADA
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Publication number: 20240141094Abstract: A curing resin composition including (A) a cyanate ester resin, (B) an epoxy resin, (C) an active hydrogen-containing amine latent curing agent, and (D) an ion scavenger. The cyanate ester resin (A) is preferably at least one of a compound of formula (1) below, a compound of formula (2) below, and a polymer of at least one of these compounds (1) and (2). NC—O-A1-Y1-A2-O—CN??(1) wherein the symbols are as defined in the description. wherein the symbols are as defined in the description.Type: ApplicationFiled: February 8, 2022Publication date: May 2, 2024Inventors: Kohei HIRAYAMA, Keisuke OTA, Ryo OGAWA, Shinsuke YAMADA
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Publication number: 20240130081Abstract: A vapor chamber includes a main body sheet having a first main body surface and a second main body surface provided on an opposite side to the first main body surface, a space provided on the first main body surface of the main body sheet, a first sheet laminated on the first main body surface of the main body sheet and covering the space, and a retracted portion retracted toward the space beyond an outer periphery of the main body sheet or an outer periphery of the first sheet in a plan view.Type: ApplicationFiled: February 18, 2022Publication date: April 18, 2024Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kazunori ODA, Takayuki OTA, Shinichiro TAKAHASHI, Toshihiko TAKEDA, Kohei OZAWA, Hiroshi KOI
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Publication number: 20240075580Abstract: A surface property measuring system capable of accurately measuring a surface property of a polishing pad without damaging the polishing pad and without reducing throughput of the entire polishing process is disclosed. The surface property measuring system includes: an optical measuring device configured to direct light to a polishing surface of a polishing pad when the polishing pad is rotating, and measure a surface property of the polishing pad based on reflected light from the polishing surface; a cover member disposed between the optical measuring device and the polishing pad; and a transparent-liquid supply line coupled to an inlet port provided in the cover member and configured to supply a transparent liquid onto the polishing pad through the inlet port. The cover member has a light transmissive portion on an optical path of the light and the reflected light.Type: ApplicationFiled: April 20, 2023Publication date: March 7, 2024Inventors: Toshifumi KIMBA, Kohei OHSHIMA, Kohei OTA
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Patent number: 11918986Abstract: 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: GrantFiled: May 24, 2022Date of Patent: March 5, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Koji Sugiura, Takeshi Hirabayashi, Akemi Satou, Keisuke Murawaki, Takaya Ota, Masatoshi Ikebe, Kohei Takasaki, Takeshi Morishima
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Publication number: 20240065650Abstract: A mammography apparatus includes an arm; and a stand, the arm is provided with a drive mechanism including a motor that rotationally drives the radiation source holding portion, and a first restriction mechanism that restricts rotation of the imaging table about the axis of the support shaft, the first restriction mechanism is disposed on a side opposite to a radiation source with respect to the support shaft, and the drive mechanism is disposed on a radiation source side with respect to the first restriction mechanism and in a case where a center line of the arm extending in a direction connecting the radiation source and a center of the support shaft is assumed, the drive mechanism is disposed so as to intersect the center line.Type: ApplicationFiled: August 28, 2023Publication date: February 29, 2024Applicant: FUJIFILM CorporationInventors: Kohei OTA, Takeyasu KOBAYASHI, Sayaka SAITO
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Publication number: 20240065658Abstract: A mammography apparatus includes: an arm; a first cooling fan that is disposed on a stand side with respect to the radiation source in the arm, sucks air from an outside of the arm, and discharges air that has cooled the radiation source from a first exhaust port provided on the stand side with respect to the radiation source; a projector that is disposed in the arm; a second cooling fan that is disposed between the projector and the first exhaust port in the arm, sucks a part of air directed from the first cooling fan to the first exhaust port, blows the sucked air toward the projector to cool the projector, and has a flow rate smaller than that of the first cooling fan; and a second exhaust port that is provided separately from the first exhaust port and through which air that has cooled the projector is discharged.Type: ApplicationFiled: August 28, 2023Publication date: February 29, 2024Applicant: FUJIFILM CorporationInventors: Daisuke OGAWA, Kohei OTA, Takeyasu KOBAYASHI, Sayaka SAITO
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Publication number: 20240058990Abstract: The purpose of the present invention is to provide an easy-to-use and efficient method for cutting a concrete member, in particular, a method that is for cutting a reinforced concrete member, that makes it easy to increase cutting depth and cutting width, and that is low in cutting cost. To achieve the purpose, the present invention provides a method for cutting a concrete member through irradiation of the concrete member with laser, the method being characterized in that: the concrete member includes a steel material; concrete is melted by scanning laser thereon to form a cutting region; the steel material is heated by means of laser to a temperature that causes progression of self-burning of the steel material; and the melting of the concrete is expedited by heat generation from said self-burning.Type: ApplicationFiled: December 13, 2021Publication date: February 22, 2024Inventors: Yousuke KAWAHITO, Muneo HORI, Yasuhiro SHIMANE, Toshihiro KAMEDA, Lalith Wijerathne MADDEGEDARA, Hiroyuki YOSHIDA, Kohei OTA, Tatsuya NAKADA, Tatsuya MASE
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Publication number: 20240051080Abstract: To suppress damage to a surface to be polished of a substrate and improve a polishing rate. A substrate processing apparatus includes a table 100 for supporting a substrate WF, a pad holder 226 for holding a polishing pad 222 for polishing the substrate WF supported by the table 100, a nozzle 228 for supplying a polishing liquid around the pad holder 226, and a pad rotation mechanism for rotating the pad holder 226. The pad holder 226 includes a discharge hole 221-2a formed in the center of a holding surface 221-2c configured to hold the polishing pad 222 and a discharge passage 221-2b communicated with an outside of the pad holder 226 from the discharge hole 221-2a.Type: ApplicationFiled: November 9, 2021Publication date: February 15, 2024Inventors: Kohei OTA, Nobuyuki TAKADA
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Patent number: 11313801Abstract: 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: GrantFiled: September 24, 2019Date of Patent: April 26, 2022Assignee: FUJIFILM CorporationInventors: Kohei Ota, Takuji Tada
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Patent number: 11221420Abstract: 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: GrantFiled: March 5, 2021Date of Patent: January 11, 2022Assignees: KYOTO UNIVERSITY, DAI NIPPON PRINTING CO., LTD.Inventors: Atsushi Takada, Toru Tanimori, Kohei Ota, Tomohisa Motomura, Ryoichi Ohigashi, Osamu Shimada
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Publication number: 20210270012Abstract: 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: ApplicationFiled: February 26, 2019Publication date: September 2, 2021Applicant: KOMATSU LTD.Inventors: Hajime SUMIYA, Masahiko HAMAGUCHI, Kohei OTA, Daisuke HASHIBA
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Patent number: 11102423Abstract: 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: GrantFiled: October 29, 2019Date of Patent: August 24, 2021Assignee: CANON KABUSHIKI KAISHAInventor: Kohei Ota
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Publication number: 20210208291Abstract: 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: ApplicationFiled: March 5, 2021Publication date: July 8, 2021Applicants: KYOTO UNIVERSITY, DAI NIPPON PRINTING CO., LTD.Inventors: Atsushi TAKADA, Toru TANIMORI, Kohei OTA, Tomohisa MOTOMURA, Ryoichi OHIGASHI, Osamu SHIMADA
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Patent number: 11041554Abstract: 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: GrantFiled: July 31, 2018Date of Patent: June 22, 2021Assignee: FUJIFILM CorporationInventor: Kohei Ota
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Patent number: 10712453Abstract: 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: GrantFiled: April 4, 2018Date of Patent: July 14, 2020Assignee: DAI NIPPON PRINTING Co., Ltd.Inventors: Kohei Ota, Tomohisa Motomura, Takamasa Takano, Koichi Nakayama
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Publication number: 20200137291Abstract: 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: ApplicationFiled: October 29, 2019Publication date: April 30, 2020Inventor: Kohei Ota
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Publication number: 20200103349Abstract: 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: ApplicationFiled: September 24, 2019Publication date: April 2, 2020Applicant: FUJIFILM CorporationInventors: Kohei OTA, Takuji TADA
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Patent number: 10359521Abstract: 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: GrantFiled: March 26, 2018Date of Patent: July 23, 2019Assignee: DAI NIPPON PRINTING Co., Ltd.Inventors: Kohei Ota, Motonori Ohno
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Publication number: 20190063570Abstract: 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: ApplicationFiled: July 31, 2018Publication date: February 28, 2019Applicant: FUJIFILM CorporationInventor: Kohei OTA