Patents by Inventor Hiroshi Nakagawa

Hiroshi Nakagawa 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: 11008693
    Abstract: Disclosed herein is a washing machine. The washing machine includes a housing provided with an inlet for laundry disposed on a front surface thereof, a water tub provided inside of the housing and configured to store water, a drum rotatably provided inside of the water tub, a pulsator provided inside of the drum and configured to be rotated independently of the drum, a motor provided with a stator, and a first and second rotor connected to the drum and the pulsator, respectively, and at least one processor configured to apply a q-axis current to the stator to rotate the second rotor and configured to apply a d-axis current to the stator to rotate the first rotor based on a phase difference between the first rotor and the second rotor.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 18, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hidekazu Funakoshi, Tomonori Ueno, Yukinori Nakagawa, Hiroshi Katsumoto, Taro Yoshida, Yasuyuki Sonoda, Masaki Oshige, Yasumasa Nagasaki
  • Patent number: 10996127
    Abstract: A pressure detection device includes: a piezoelectric element that detects a pressure change via a diaphragm head or the like; a circuit board that is provided with a processing circuit that performs electrical processing with respect to a charge signal outputted from the piezoelectric element; a conductive housing member, which has conductivity and is disposed to cover (house) the circuit board, and which is connected to the ground of the circuit board; and a housing (a leading end side housing, the diaphragm head and a rear end side housing), which houses the piezoelectric element, the circuit board and the housing member, and which is electrically insulated from the piezoelectric element, the circuit board and the housing member.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: May 4, 2021
    Assignees: CITIZEN FINEDEVICE CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Yuta Kanamori, Masanori Yomoyama, Tetsuya Aiba, Ikuo Takahashi, Hiroshi Nakagawa, Kazuo Takahashi, Yusuke Satoh
  • Patent number: 10998796
    Abstract: A structure for cooling a rotating electrical machine includes: an oil pump, a supply oil passage connected to a discharge port of the oil pump, and a first oil passage that is an oil passage located above a stator of the rotating electrical machine in a vertical direction and that has a supplied portion, a discharge hole, and a discharge portion. The supplied portion is connected to the supply oil passage. The discharge hole is formed on a first side in an axial direction, which is one side in the axial direction of the rotating electrical machine with respect to the supplied portion and is configured to discharge oil toward the stator. The discharge portion is formed on the first side with respect to the discharge hole. A second oil passage is formed inside a rotor shaft to which a rotor of the rotating electrical machine is fixed, and a third oil passage connects the discharge portion of the first oil passage and the second oil passage.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: May 4, 2021
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masayuki Ikemoto, Takuya Komatsu, Takefumi Komaki, Hiroshi Kato, Satoshi Miyanaga, Yoshinari Nakagawa, Tomohito Ono, Hiroto Hashimoto, Takashi Matsumoto
  • Patent number: 10991509
    Abstract: A capacitor is provided that includes a base having a first main surface and a second main surface opposing each other with a trench formed on a side of the first main surface (110A. Moreover, a dielectric film is disposed in a region that includes an inside of the trench on the side of the first main surface of the base; a conductor film is provided that includes a first conductor layer disposed on the dielectric film, which is the region including the inside of the trench and a second conductor layer disposed on the first conductor layer; and a stress relieving portion is provided in contact with at least a part of the end of the first conductor layer. Moreover, a thickness of the stress relieving portion is smaller than a thickness of the conductor film, outside the trench portion of the first main surface of the base.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 27, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Hiroshi Nakagawa, Tomoyuki Ashimine, Yasuhiro Murase
  • Publication number: 20210116470
    Abstract: The present invention is one for achieving an improvement in analysis accuracy, and a sample analyzing device that measures light emitted by introducing a reagent to a sample contained in a container to analyze the sample, and the sample analyzing device includes: a holder that holds the container; a casing that has a door for taking in/out the holder; a nozzle to/from which a pipette tip for injecting the reagent into the container can be attached/detached; a photodetector that measures the light emitted from the sample in the container supported by the holder; and a disposal box into which the pipette tip after injection is disposed of, in which the disposal box is configured to be arranged in the casing and to be taken in/out via the door.
    Type: Application
    Filed: July 17, 2018
    Publication date: April 22, 2021
    Inventors: Hideki Nakayama, Kazuya Nakagawa, Hiroshi Iida, Yoko Nakai
  • Patent number: 10953553
    Abstract: This gripping hand has a base member and a number of fingers arranged about an axis line passing through the base member, wherein each of the fingers has a flexible finger part having flexibility and a finger base member for supporting the basal end side of the flexible finger part, the gripping hand is provided with a number of link mechanisms that are supported by the base member and that support the respective number of finger base members, and each of the link mechanisms allows the finger base member supported thereby to move relative to the base member such that the orientation of the finger base member supported thereby does not substantially change relative to the base member.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: March 23, 2021
    Assignee: FANUC CORPORATION
    Inventors: Hiroshi Nakagawa, Yuuki Kondou
  • Patent number: 10940585
    Abstract: A vibration suppression device acquires a teaching position, computes a speed plan based on the acquired teaching position and a first acceleration/deceleration parameter, computes data related to deflection occurring during an acceleration/deceleration operation of a robot based on the teaching position and the speed plan, and acquires data indicating a posture at the teaching position. Further, a machine learning unit of the vibration suppression device estimates an acceleration/deceleration parameter with respect to the data related to the deflection and the data related to the posture using the data related to the deflection and the data related to the posture as input data.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: March 9, 2021
    Assignee: FANUC CORPORATION
    Inventors: Hiroshi Nakagawa, Takafumi Kajiyama
  • Patent number: 10919143
    Abstract: A device and method for judging the presence or absence of an abnormal clearance between paring elements of a passive joint of a robot. The device has sections configured to: calculate a score for each motion path, wherein the score is increased when the paring elements of an objective pair collide with each other and is decreased when the paring elements of the other pair collide with each other; generate a robot motion for moving the robot along the motion path having the score not lower than a predetermined threshold; measure a drive torque or a current value of a motor when the robot is moved according to the generated robot motion; calculate an index value based on a magnitude of variation of the measured drive torque or current value; and judge as to whether the abnormal clearance exists in the objective pair, based on the index value.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: February 16, 2021
    Assignees: FANUC CORPORATION, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Hiroshi Nakagawa, Kenichiro Abe, Yunfeng Wu, Hikaru Yamashiro, Hideo Matsui, Soichi Arita, Yukio Takeda, Masumi Ohno
  • Publication number: 20210027950
    Abstract: A capacitor that includes a substrate, a dielectric portion, and a conductor layer. The dielectric portion includes a thick film portion and a thin film portion. The thick film portion has a thickness larger than the average thickness of the dielectric portion in a direction perpendicular to the first main surface. The thin film portion has a thickness smaller than the average thickness of the dielectric portion in the direction perpendicular to the first main surface. The thick film portion has a larger relative permittivity than the thin film portion.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Hiroshi Nakagawa, Tomoyuki Ashimine, Yasuhiro Murase
  • Publication number: 20210006151
    Abstract: A CR snubber element includes a first resistance part, a first capacitance part, a second resistance part, and a second capacitance part. The first capacitance part is connected in series to the first resistance part. The second resistance part is connected in series to the first resistance part and the first capacitance part and the second capacitance part is connected in parallel to the second resistance part. The CR snubber element is configured such that the second resistance part is disconnected when the first capacitance part is short-circuited.
    Type: Application
    Filed: September 17, 2020
    Publication date: January 7, 2021
    Inventors: Tomoyuki Ashimine, Hiroshi Nakagawa, Yasuhiro Murase
  • Publication number: 20200406464
    Abstract: A device capable of acquiring a deviation of a working position of a tool with respect to a target position of a workpiece with higher accuracy in accordance with actual work. A device for acquiring a deviation amount of a working position of a tool with respect to a target position when a work is performed on a workpiece with respect to the target position by the tool, the tool being moved by a movement machine, the device including: a camera arranged in a predetermined positional relationship with respect to the tool and configured to image the target position at a first time point when the tool performs an operation for the work; and a deviation amount acquisition section configured to acquire a deviation amount between the working position and the target position at the first time point, based on a position of the target position in image data imaged by the camera and information indicating a position of the working position in the image data.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 31, 2020
    Applicant: Fanuc Corporation
    Inventors: Takafumi Kajiyama, Hiroshi Nakagawa
  • Patent number: 10879347
    Abstract: A capacitor that includes a first capacitor layer having a first substrate provided with a first trench structure having a trench, a first electrode, and a second electrode provided in a region of the first trench structure that includes a trench, and a second capacitor layer having a second substrate, a third electrode, and a fourth electrode. Moreover, the first capacitor layer and the second capacitor layer are disposed such that the second electrode and the third electrode oppose each other and are electrically connected.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: December 29, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yasuhiro Murase, Tomoyuki Ashimine, Hiroshi Nakagawa
  • Publication number: 20200388088
    Abstract: It is an object of the present invention to know the accuracy of the result of processing performed by an aircraft flying under a certain flying condition. Computation unit computes Accuracy of result of processing performed by aircraft flying under flight condition specified by specifying unit. Specifically, accuracy A is expressed by the function f of flight altitude of the aircraft. A=f(h) Battery life B (the time during which the aircraft can fly due to remaining power of battery) is expressed by function g of flight altitude h and flight speed v of aircraft. B=g(h,v) Note that the variables of function g may include area and shape of a processing target area (field), effective range Pu, a stop time at time of shooting (length of time stopped when temporarily stopped for shooting), number of times shooting is performed, and the like.
    Type: Application
    Filed: January 21, 2019
    Publication date: December 10, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroshi NAKAGAWA, Kazuhiro YAMADA, Youhei OONO, Yuichiro SEGAWA
  • Publication number: 20200381181
    Abstract: A capacitor that includes a substrate having a main surface with at least one of a recess or a projection, a dielectric film extending along the at least one of the recess or the projection and having an equivalent oxide thickness of 600 nm or more, and a conductor film covering at least part of the dielectric film.
    Type: Application
    Filed: August 20, 2020
    Publication date: December 3, 2020
    Inventors: Yasuhiro Murase, Tomoyuki Ashimine, Hiroshi Nakagawa
  • Publication number: 20200348970
    Abstract: A management system includes a storage unit that stores schedule information that indicates schedules of a plurality of tasks to be performed by the same flight vehicle. The schedule information includes types of the plurality of tasks, date/times of the plurality of tasks, and locations at which the plurality of tasks are to be performed. When the types, the date/times, and the locations that are included in the schedule information stored in the storage unit satisfy an integration condition, an integration unit integrates the schedules of the plurality of tasks. An output unit outputs integrated schedule information indicating the schedules of the integrated tasks.
    Type: Application
    Filed: January 16, 2019
    Publication date: November 5, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroshi Nakagawa, Kazuhiro Yamada, Youhei Oono, Yuichiro Segawa
  • Publication number: 20200320460
    Abstract: An information processing apparatus includes an accumulation unit that accumulates history information regarding a flight history of an aircraft. A specification unit, based on the history information accumulated by the accumulation unit, specifies a candidate to be an operation assistant who assists an operation planned by an assisted operator. An output unit outputs information regarding the candidate to be the operation assistant specified by the specification unit.
    Type: Application
    Filed: November 16, 2018
    Publication date: October 8, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroshi Nakagawa, Kazuhiro Yamada
  • Patent number: 10797183
    Abstract: A capacitor that includes a substrate; a capacitor formation region in which one or more trenches are formed; a dummy region located between the capacitor formation region and an end of the substrate; a first electrode formed inside the one or more trenches to cover the capacitor formation region, and a dielectric film; a second electrode that covers the capacitor formation region and has a different potential from the first electrode; and an extended portion that formed in the dummy region. Moreover, the extended portion forms a recess or a protrusion on the substrate in a path from the second electrode to the end portion of the substrate.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 6, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Masaki Takeuchi, Shigeki Nishiyama, Hiroshi Nakagawa, Satoru Goto, Yoshinari Nakamura
  • Publication number: 20200286880
    Abstract: A semiconductor apparatus that includes a semiconductor substrate having a first main surface and a second main surface, a first electrode opposing the first main surface of the semiconductor substrate, a dielectric layer between the semiconductor substrate and the first electrode, a second electrode opposing the second main surface of the semiconductor substrate, and a resistance control layer between the semiconductor substrate and the second electrode. The resistance control layer includes a first region having a first electrical resistivity and electrically connecting the semiconductor substrate and the second electrode, and a second region having a second electrical resistivity higher than the first electrical resistivity of the first region and adjacent to the first region.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Inventors: Tomoyuki Ashimine, Hiroshi Nakagawa, Yasuhiro Murase
  • Publication number: 20200278673
    Abstract: The present invention makes it possible to provide piloting assistance to a pilot of a flight vehicle from a remote location. A server apparatus functions as a control platform for controlling the flight of the flight vehicle. Specifically, flight control is performed in which the server apparatus determines whether a first piloting terminal operated by a pilot or a second piloting terminal operated by a piloting assister is to pilot the flight vehicle, and in a case of determining that the second piloting terminal is to pilot the flight vehicle, the server apparatus transfers commands for the flight vehicle that are received from the second piloting terminal to the flight vehicle.
    Type: Application
    Filed: October 24, 2018
    Publication date: September 3, 2020
    Applicant: NTT DOCOMO, INC.
    Inventors: Hiroshi Nakagawa, Kazuhiro Yamada
  • Publication number: 20200273796
    Abstract: A semiconductor device that includes a semiconductor substrate having a first main surface and a second main surface, a first electrode opposing the first main surface of the semiconductor substrate, a dielectric layer between the semiconductor substrate and the first electrode, a first resistance control layer on the first electrode, a wiring part on the first resistance control layer, and a second electrode opposing the second main surface of the semiconductor substrate. The first resistance control layer includes a first region that has a first electrical resistivity and that electrically connects the first electrode and the wiring part, and a second region that is aligned with the first region and has a second electrical resistivity higher than the first electrical resistivity of the first region.
    Type: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Inventors: Yasuhiro Murase, Tomoyuki Ashimine, Hiroshi Nakagawa