Patents by Inventor Masaki Harada

Masaki Harada 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: 11499931
    Abstract: A sensor relating to one embodiment of the present invention includes a first electrode, a second electrode, an attracting portion arranged between the first electrode and the second electrode, where the attracting portion attracts conductive particles smaller than a gap between the first electrode and the second electrode to cause a change in electrical resistance between the first electrode and the second electrode, and a short circuit preventing portion for preventing a large-diameter conductive piece from causing a short circuit between the first electrode and the second electrode, where the large-diameter conductive piece has a larger dimension than the gap between the first electrode and the second electrode.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: November 15, 2022
    Assignee: NABTESCO CORPORATION
    Inventors: Kazuhiko Sakurai, Masaki Harada, Koki Akai, Shuichi Kamagata
  • Patent number: 11493467
    Abstract: Provided is a sensor that can appropriately sense the amount of abrasion powder (conductive substance) in a mechanical device of any size, and thereby to provide a sensor that can be generally used for preventive maintenance of any mechanical parts. The sensor includes a first electrode and a second electrode. A voltage is applied between the first electrode and the second electrode to accumulate conductive substance between the first and second electrodes in order to sense a decrease in electric resistance between the first and second electrodes. The distance between the first electrode and the second electrode is adjustable.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: November 8, 2022
    Assignee: NABTESCO CORPORATION
    Inventors: Koji Nakamura, Kazuhiko Sakurai, Masaki Harada, Toshihide Fujii
  • Patent number: 11478161
    Abstract: A blood pressure measurement cuff is a blood pressure measurement cuff to be attached such that it wraps around a measurement site and includes: a curler that is flexible and curves so as to naturally conform to the measurement site; an air bladder containing the curler due to being wrapped around the inner side and outer side of the curler; an inner cloth attached to an outer surface on the measurement site side of the air bladder; and an outer cloth attached to an outer surface on the side opposite to the measurement site of the air bladder.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: October 25, 2022
    Assignee: OMRON HEALTHCARE CO., LTD.
    Inventors: Minoru Taniguchi, Tomonori Yuasa, Masaki Harada, Tameo Ashida, Chisato Uesaka, Wataru Tsunoda
  • Publication number: 20220291159
    Abstract: A wiring structure includes a wiring such as a flexible printed wiring board, a permanent magnet, and a relay piece. The wiring has a conductive portion. The permanent magnet has electrical conductivity. The relay piece is formed of a conductive metal and connected to the conductive portion of the wiring. The relay piece has the permanent magnet fixed thereto by magnetic attraction.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 15, 2022
    Inventors: Masaki HARADA, Atsushi KOIKE, Kazuhiko SAKURAI
  • Publication number: 20220291188
    Abstract: A conductive particle detecting device includes a plurality of electrodes, a permanent magnet, and a detecting circuit. The plurality of electrodes are arranged at intervals in a lubricant. The permanent magnet accumulates conductive particles in the lubricant between adjacent electrodes by a magnetic force. The detecting circuit detects target conductive particles based on electrical resistance between the adjacent electrodes. An attractive force of the permanent magnet acting on the conductive particles between the adjacent electrodes is set such that the lubricant remains as a non-conductive layer around fine-sized conductive particles having a smaller particle size than the target conductive particles.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 15, 2022
    Inventors: Masakazu KURITA, Hiroki MORI, Koji NAKAMURA, Kazuhiko SAKURAI, Masaki HARADA
  • Patent number: 11439311
    Abstract: Blood pressure information measurement device includes cuff including first and second fluid bag accommodated in first fluid bag, pressure increase/reduction mechanism configured to increase and decrease pressure in first fluid bag internal space and pressure in an internal space of second fluid bag, control unit configured to control operation of pressure increase/reduction mechanism, pressure detection device configured to detect first fluid bag internal pressure, and calculation unit configured to calculate blood pressure information.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: September 13, 2022
    Assignee: OMRON HEALTHCARE CO., LTD.
    Inventors: Chisato Tawara, Minoru Taniguchi, Keita Ikeda, Hirotaka Hayashi, Masaki Harada
  • Publication number: 20220178857
    Abstract: A sensor includes a plurality of detecting units and a sensing unit. Each of the detecting units includes a pair of electrodes and a detecting area formed between the electrodes, and is configured to cause a change in electrical resistance between the electrodes as conductive particles accumulate. The sensing unit outputs a sensing signal if at least two or more of the detecting units experience a change in electrical resistance.
    Type: Application
    Filed: April 26, 2019
    Publication date: June 9, 2022
    Inventors: Kazuhiko SAKURAI, Masaki HARADA
  • Patent number: 11346871
    Abstract: A sensor relating to the present invention includes: a first electrode; a second electrode; a first attracting portion positioned between the first electrode and the second electrode and configured to receive conductive abrasion powder contained in a detection region and attracted onto the first attracting portion; a sensing unit for sensing a change in electrical resistance between the first electrode and the second electrode caused by the conductive abrasion powder; and at least one second attracting portion positioned within the detection region and configured to attract the conductive abrasion powder contained in the detection region.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: May 31, 2022
    Assignee: NABTESCO CORPORATION
    Inventors: Masaki Harada, Kazuhiko Sakurai, Takashi Wada
  • Patent number: 11342807
    Abstract: A motor may include a rotor provided with a rotating shaft that protrudes to a first side in an axial direction; a stator disposed on an outer peripheral side of the rotor; a resin sealing member that covers the stator; and a cover member that is disposed on the first side of the resin sealing member and supports the rotating shaft. The cover member may include a plurality of gate marks disposed at different angular positions and a plurality of ribs that protrude to a second side in the axial direction. The ribs may be disposed at positions where each midpoint between the gate marks adjacent to each other in the circumferential direction overlap with an axis of the rotor.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: May 24, 2022
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Masaki Harada, Hiroki Kuratani, Takashi Yamamoto, Nobuki Kokubo
  • Patent number: 11313623
    Abstract: A heat exchanger includes a duct, a stacked core, and a coupling plate. The duct includes a first plate that is disposed to face at least one of end faces of the stacked core in a core width direction, and a second plate that is disposed to face at least one of the end faces of the stacked core in a tube stacking direction. The second plate includes a second-plate end plate portion disposed to face the end face of the stacked core in the core width direction and brazed to a wall surface of the first plate, a second-plate center plate portion that is disposed to face the end face of the stacked core in the tube stacking direction, and a flange portion that extends in the tube stacking direction and is brazed to a bottom wall surface of a groove portion of the coupling plate.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: April 26, 2022
    Assignee: DENSO CORPORATION
    Inventors: Masafumi Saitou, Akira Yamanaka, Masaki Harada, Kenji Yamada, Kazutaka Suzuki, Taichi Asano, Shota Terachi
  • Patent number: 11303180
    Abstract: A motor may include a rotor including a rotating shaft that protrudes to a first side in an axial direction; a stator disposed on an outer peripheral side of the rotor; a resin sealing member that covers the stator; and a cover member that is disposed on the first side of the resin sealing member and supports the rotating shaft. The resin sealing member may include a resin sealing member side position regulating surface that makes contact in the axial direction with a cover member side position regulating surface provided on the cover member, and a resin sealing member side securing surface that faces, in the axial direction and with a gap, a cover member side securing surface provided on the cover member. At least a portion of the resin sealing member side securing surface is secured to the cover member side securing surface via an adhesive agent layer.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 12, 2022
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Takashi Yamamoto, Hiroki Kuratani, Nobuki Kokubo, Masaki Harada
  • Patent number: 11268517
    Abstract: To provide a pump device configured such that the impeller can be prevented from being moved toward a case body by which a pump chamber is defined. An impeller is arranged in a pump chamber defined by a case body and an end wall portion of a motor. The impeller includes back blades protruding from a shroud toward the end wall portion of the motor. When the impeller is driven to circulate fluid through the pump chamber, a fluid is drawn out by the back blades from a clearance between the impeller and the end wall portion of the motor. Therefore, the impeller is moved by the negative pressure toward the end wall portion of the motor. The back blades function as a suction power generation mechanism configured to generate suction power sucking the impeller toward the end wall portion.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: March 8, 2022
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Nobuki Kokubo, Hiroki Kuratani, Takashi Yamamoto, Masaki Harada
  • Publication number: 20220000379
    Abstract: A cuff unit, a method for manufacturing the cuff unit, and a blood pressure measuring device that allow suppressing a positional deviation in each of a pressing cuff and a sensing cuff with respect to a curler are provided. A cuff unit includes a pressing cuff joined to a curler and including a plurality of air bags that are layered and each inflated by a fluid, and a sensing cuff that includes one air bag inflated by a fluid and a joining margin formed on the air bag and joined to the air bag 81 adjacent to the air bag.
    Type: Application
    Filed: September 10, 2021
    Publication date: January 6, 2022
    Inventors: Masaki HARADA, Takayuki MATSUOKA, Minoru TANIGUCHI
  • Publication number: 20210307626
    Abstract: Provided is a blood pressure measurement device including a curler including a cover portion that fixes a device body to a hand back side of the wrist, a pressing cuff including a first bag-like structure and a first flow path body which is integrally formed with the first bag-like structure by joining two sheet members forming the first bag-like structure facing the curler and is fluidly connecting a pump and the first bag-like structure, a sensing cuff including a second bag-like structure and a second flow path body which is integrally formed with the second bag-like structure by joining two sheet members forming the second bag-like structure and is including one end disposed on the wrist side of the cover portion, and a tensile cuff including a third bag-like structure.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 7, 2021
    Inventors: Takashi ONO, Yoshihiko SANO, Masaki HARADA, Takayuki MATSUOKA, Takanori NISHIOKA
  • Publication number: 20210307627
    Abstract: Provided is a cuff cover for a blood pressure measurement device including a bag body having a stretchable bag-like shape with a length that allows a cuff structure and a curler curving and following along a shape of the wrist to be disposed inside the bag body, a first hole portion extending in a longitudinal direction of the bag body and provided at a portion of the bag body facing the outer circumferential surface of the curler, the first hole portion being configured to allow the curler provided with the cuff structure to be inserted by elongating the bag body, and a second hole portion formed in a shape allowing the power feeding terminal to be exposed, the second hole portion being provided at a portion of the bag body facing the power feeding terminal provided on the outer circumferential surface of the curler.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 7, 2021
    Inventors: Minoru TANIGUCHI, Masaki HARADA
  • Publication number: 20210307630
    Abstract: A blood pressure measurement device includes a device main body, a curler, and a sensing cuff. The curler curves following a circumferential direction of a wrist from a hand back side of the wrist to a region where at least an artery is present on a hand palm side of the wrist. The curler includes a cover portion that fixes the device main body to the hand back side of the wrist. The curler has a curvature of an end portion on a short-hand side from the cover portion set smaller than a curvature of an end portion on a long-hand side from the device main body. The end portion on the short-hand side is separated from the end portion on the long-hand side. The sensing cuff is provided on the long-hand side of the curler and an inner circumferential surface on the hand palm side of the wrist.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 7, 2021
    Inventors: Yoshihiko SANO, Takashi ONO, Masaki HARADA, Takanori NISHIOKA
  • Patent number: 11139712
    Abstract: A motor includes a connector detachably connected with an external cable and a resin sealing member which covers the connector. The connector includes a frame part into which a cable side connector is to be inserted and a step part on an outer peripheral face of the frame part. A shape of the step part when viewed in the inserting direction is a ring shape. The resin sealing member covers the connector from the front side and exposes an end face of the step part of the frame part and a portion of the frame part on the rear side to the step part end face to the outside, and an outer peripheral face of the resin sealing member is provided with an outer peripheral face portion which surrounds the frame part and is continuously connected with the step part end face without a step.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: October 5, 2021
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Takashi Yamamoto, Masaki Harada
  • Patent number: 11088584
    Abstract: A motor includes a rotor, a stator having coils, a connector for supplying electrical power to the coils, and a resin sealing member. The resin sealing member comprises an opposite-to-output side sealing part and a connector sealing part covering the connector. The connector comprises a frame part into which the cable side connector is to be inserted, and the opposite-to-output side sealing part comprises a first protruded part and a second protruded part. A tip end face of the first protruded part and a tip end face of the second protruded part are located on one imaginary face intersecting the rotation center line, a tip end on the opposite-to-output side of the frame part is located on the output side with respect to the imaginary face, and the second protruded part is provided at a position closer to the frame part between the first protruded part and the frame part.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: August 10, 2021
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Masaki Harada, Hiroki Kuratani, Takashi Yamamoto
  • Patent number: 11070105
    Abstract: A motor includes a rotor having an output shaft and a rotor main body, a bearing member for supporting the output shaft movable in an axial line direction and rotatable around the axial line, and a bearing holding member holding the bearing member. The bearing member has a tube part supporting the output shaft and a slidably contacting part capable of slidably contacting with the rotor main body. The bearing holding member has an opposed face facing the rotor main body and a recessed part provided in the opposed face. The tube part of the bearing member is inserted into the recessed part and is separated from a bottom face of the recessed part. A space between the bottom face of the recessed part and the tube part is structured as a lubricant storage part and a communication path is provided between the bearing holding member and the bearing member.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: July 20, 2021
    Assignee: NIDEC SANKYO CORPORATION
    Inventors: Takashi Yamamoto, Masaki Harada
  • Publication number: 20210132126
    Abstract: A sensor relating to the present invention includes: a first electrode; a second electrode; a first attracting portion positioned between the first electrode and the second electrode and configured to receive conductive abrasion powder contained in a detection region and attracted onto the first attracting portion; a sensing unit for sensing a change in electrical resistance between the first electrode and the second electrode caused by the conductive abrasion powder; and at least one second attracting portion positioned within the detection region and configured to attract the conductive abrasion powder contained in the detection region.
    Type: Application
    Filed: September 28, 2020
    Publication date: May 6, 2021
    Inventors: Masaki HARADA, Kazuhiko SAKURAI, Takashi WADA