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: 20240065658
    Abstract: 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: Application
    Filed: August 28, 2023
    Publication date: February 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Daisuke OGAWA, Kohei OTA, Takeyasu KOBAYASHI, Sayaka SAITO
  • Publication number: 20240065650
    Abstract: 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: Application
    Filed: August 28, 2023
    Publication date: February 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Kohei OTA, Takeyasu KOBAYASHI, Sayaka SAITO
  • Publication number: 20240058990
    Abstract: 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: Application
    Filed: December 13, 2021
    Publication date: February 22, 2024
    Inventors: Yousuke KAWAHITO, Muneo HORI, Yasuhiro SHIMANE, Toshihiro KAMEDA, Lalith Wijerathne MADDEGEDARA, Hiroyuki YOSHIDA, Kohei OTA, Tatsuya NAKADA, Tatsuya MASE
  • Publication number: 20240051080
    Abstract: 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: Application
    Filed: November 9, 2021
    Publication date: February 15, 2024
    Inventors: Kohei OTA, Nobuyuki TAKADA
  • 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
  • Publication number: 20180292546
    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: Application
    Filed: May 31, 2018
    Publication date: October 11, 2018
    Inventors: Tomohisa MOTOMURA, Kohei OTA, Toru TANIMORI, Atsushi TAKADA, Taito TAKEMURA
  • Patent number: 10094935
    Abstract: A nuclear medicine examination apparatus is a nuclear medicine examination apparatus incorporating a Compton camera using gas amplification. The Compton camera has a chamber in which a gas is sealed. The nuclear medicine examination apparatus includes sensors that output signals each representing a gas state in the chamber and a controller that controls the gas state in the chamber on the basis of output signals from the sensors.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: October 9, 2018
    Assignee: DAI NIPPON PRINTING Co., Ltd.
    Inventor: Kohei Ota
  • Publication number: 20180246226
    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: Application
    Filed: April 4, 2018
    Publication date: August 30, 2018
    Inventors: Kohei Ota, Tomohisa Motomura, Takamasa Takano, Koichi Nakayama
  • Publication number: 20180246224
    Abstract: A nuclear medicine examination apparatus is a nuclear medicine examination apparatus incorporating a Compton camera using gas amplification. The Compton camera has a chamber in which a gas is sealed. The nuclear medicine examination apparatus includes sensors that output signals each representing a gas state in the chamber and a controller that controls the gas state in the chamber on the basis of output signals from the sensors.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 30, 2018
    Inventor: Kohei OTA