Patents by Inventor Masayuki Mitsue

Masayuki Mitsue 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: 11745774
    Abstract: A track displacement measurement device is a track displacement measurement device that measures displacement of the track on which a railroad car runs, and determines first displacement of the track by performing processing including an integration operation based on motion detection signal responsive to motion of the railroad car due to displacement of the track, determines second displacement of the track based on the rotational movement detection signal responsive to rotational movement of the railroad car, and determines combined displacement of the track based on the first displacement and the second displacement.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: September 5, 2023
    Assignee: KAWASAKI RAILCAR MANUFACTURING CO., LTD.
    Inventors: Shingo Kuwashiro, Masayuki Mitsue, Teruhisa Nakaoka, Ryoji Negi
  • Patent number: 11499582
    Abstract: A tag configured to detect loosening of a fastening member fastened to a fastened part of an apparatus includes: a base sheet including a fastening member attached portion and a fastened part attached portion, the fastening member attached portion being attached to the fastening member, the fastened part attached portion being attached to the fastened part; a RFID chip mounted on the base sheet; an antenna circuit mounted on the base sheet while being connected to the RFID chip; and an electric conductor mounted on the base sheet while being connected to the RFID chip, the electric conductor being configured such that an electric property of the electric conductor changes when the fastening member is displaced relative to the fastened part attached portion.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: November 15, 2022
    Assignee: KAWASAKI RAILCAR MANUFACTURING CO., LTD.
    Inventors: Yoshi Sato, Takehiro Nishimura, Masayuki Mitsue, Yuta Yoshimatsu
  • Publication number: 20220315070
    Abstract: A track displacement measurement device is a track displacement measurement device that measures displacement of the track on which a railroad car runs, and determines first displacement of the track by performing processing including an integration operation based on motion detection signal responsive to motion of the railroad car due to displacement of the track, determines second displacement of the track based on the rotational movement detection signal responsive to rotational movement of the railroad car, and determines combined displacement of the track based on the first displacement and the second displacement.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 6, 2022
    Applicant: Kawasaki Railcar Manufacturing Co., Ltd.
    Inventors: Shingo KUWASHIRO, Masayuki MITSUE, Teruhisa NAKAOKA, Ryoji NEGI
  • Patent number: 10988150
    Abstract: A state monitoring device for use in a train set constituted by coupling cars each including a carbody and a pair of bogies arranged at both respective longitudinal direction end portions of the carbody and supporting the carbody includes: sensors provided at the respective bogies and configured to detect state information of devices provided at the bogies; wireless transmitters provided at the respective bogies and configured to wirelessly transmit sensor signals containing the detected state information; and at least one wireless receiver configured to receive the sensor signals wirelessly transmitted from the wireless transmitters.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: April 27, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Nishimura, Yoshi Sato, Keiichiro Kamura, Masayuki Mitsue
  • Patent number: 10967887
    Abstract: Provided is a bearing monitoring device of a railcar, the railcar being constituted by coupling a plurality of cars including carbodies and bogies, the bearing monitoring device including: bearing temperature sensors provided at the respective bogies and configured to directly or indirectly detect temperatures of bearings of the bogies; at least one state sensor provided at at least one of the carbodies of the plurality of cars and configured to be used for calculating loads or rotating speeds of the bearings; and a storage unit provided at at least one of the carbodies of the plurality of cars and configured to store data pieces of signals detected by the bearing temperature sensors and the state sensor.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: April 6, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Nishimura, Yoshi Sato, Keiichiro Kamura, Masayuki Mitsue
  • Patent number: 10964131
    Abstract: A state monitoring device for a plate spring mounted on a railcar bogie is configured to monitor a state of the plate spring, the plate spring including fiber-reinforced resin containing electrically conductive reinforced fibers containing reinforced fibers extending in a longitudinal direction of the plate spring. The state monitoring device includes: an electrode pair provided at both width direction side end surfaces of the plate spring and sandwiching the plate spring, a width direction of the plate spring being perpendicular to the longitudinal direction of the plate spring and a thickness direction of the plate spring; and a measuring unit electrically connected to the electrode pair and configured to measure an electrical characteristic of the plate spring.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: March 30, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masayuki Mitsue, Teruhisa Nakaoka, Tomohei Kobayashi, Katsuyuki Kawashima, Takehiro Nishimura, Yousuke Tsumura
  • Patent number: 10889309
    Abstract: Provided is a bearing monitoring device of a railcar, the bearing monitoring device being configured to monitor a bearing of a bogie supporting a carbody, the bearing monitoring device including: a receiving unit configured to receive a data piece of a temperature of the bearing and at least one of a data piece of a load of the bearing and a data piece of a rotating speed of the bearing; and a diagnostic unit configured to, when a monitoring value exceeds a variable threshold, determine that an abnormality of the bearing has occurred, the monitoring value being at least one of a temperature value and a temperature increase rate, the at least one of the temperature value and the temperature increase rate being obtained from the data piece of the temperature of the bearing received by the receiving unit, wherein when at least one of a value of the data piece of the load and a value of the data piece of the rotating speed decreases, the diagnostic unit lowers the variable threshold.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: January 12, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Nishimura, Yoshi Sato, Keiichiro Kamura, Masayuki Mitsue
  • Patent number: 10844918
    Abstract: There is provided a configuration that can precisely detect abrasion of brake shoes of a railway vehicle. A brake shoe abrasion detection unit includes: at least one abrasion detection RF tag that is attached at a position of an abrasion limit of a brake shoe of a railway vehicle tread brake or a position closer to a braking surface than the abrasion limit; and a reference RF tag that is attached at a position beyond the abrasion limit of the brake shoe.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: November 24, 2020
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshi Sato, Takehiro Nishimura, Akihiko Tada, Takao Sekiya, Takashi Miyazaki, Kazutsuna Ikeda, Masayuki Mitsue, Yuta Yoshimatsu
  • Publication number: 20200347869
    Abstract: A tag configured to detect loosening of a fastening member fastened to a fastened part of an apparatus includes: a base sheet including a fastening member attached portion and a fastened part attached portion, the fastening member attached portion being attached to the fastening member, the fastened part attached portion being attached to the fastened part; a RFID chip mounted on the base sheet; an antenna circuit mounted on the base sheet while being connected to the RFID chip; and an electric conductor mounted on the base sheet while being connected to the RFID chip, the electric conductor being configured such that an electric property of the electric conductor changes when the fastening member is displaced relative to the fastened part attached portion.
    Type: Application
    Filed: October 18, 2018
    Publication date: November 5, 2020
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshi SATO, Takehiro NISHIMURA, Masayuki MITSUE, Yuta YOSHIMATSU
  • Patent number: 10793171
    Abstract: A wireless communication function-equipped temperature sensor unit includes: a temperature sensor; a wireless communication board including a conversion substrate including a conversion circuit configured to convert an analog temperature signal into a digital temperature signal, the analog temperature signal being output from the temperature sensor, and a wireless communication module mounted on the conversion substrate and configured to transmit the digital temperature signal as a wireless signal.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: October 6, 2020
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Nishimura, Yoshi Sato, Masayuki Mitsue, Teruhisa Nakaoka
  • Patent number: 10793170
    Abstract: A temperature sensor unit-equipped axle box device of a railcar bogie includes: an axle box accommodating a bearing supporting an axle; a temperature sensor unit attached to the axle box and configured to detect a temperature of an outer ring of the bearing; and an elastic body configured to bias the temperature sensor unit in such a direction that the temperature sensor unit is pressed against the outer ring. The elastic body is elastically deformable so as to follow displacement of the temperature sensor unit around a rotation axis of the bearing.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: October 6, 2020
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Nishimura, Yoshi Sato, Keiichiro Kamura, Masayuki Mitsue
  • Patent number: 10704631
    Abstract: There is provided a configuration in which an association between a location of each brake shoe of a railway vehicle and each abrasion detection tag is easily learned, and system implementation and management are simplified. A brake shoe abrasion detection system of a railway vehicle includes a computer that receives data of a signal read by a reader from at least one abrasion detection RF tag attached to each of a plurality of brake shoes of the railway vehicle passing the reader. The computer determines an association between a plurality of the signals and the plurality of brake shoes based on an order that the reader reads the plurality of signals from a plurality of the abrasion detection RF tags attached to the plurality of brake shoes, respectively.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: July 7, 2020
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshi Sato, Takehiro Nishimura, Akihiko Tada, Takao Sekiya, Takashi Miyazaki, Kazutsuna Ikeda, Masayuki Mitsue, Yuta Yoshimatsu
  • Patent number: 10703394
    Abstract: A method of producing an electrode-equipped plate spring of a railcar bogie includes: a resin removing step of partially irradiating a surface of fiber-reinforced resin, prepared by including electrically conductive fibers in resin, of a plate spring with a laser beam to partially remove the resin and partially expose the electrically conductive fibers; and an electrode forming step of attaching an electrode to an exposed region formed by partially exposing the electrically conductive fibers of the fiber-reinforced resin.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: July 7, 2020
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Nishimura, Yousuke Tsumura, Masayuki Mitsue, Teruhisa Nakaoka, Fumihide Inamura, Katsuyuki Kawashima, Akira Todoroki, Yusuke Nishio
  • Publication number: 20200108849
    Abstract: A running location identification system for railroad cars includes: a track displacement output unit outputting a signal responsive to displacement of a track when a railroad car is running on the track; and a running location identification unit determining whether the railroad car has run in a predetermined range of the track based on a degree of similarity between displacement data based on output from the track displacement output unit and reference profile data responsive to track displacement in the predetermined range.
    Type: Application
    Filed: June 30, 2017
    Publication date: April 9, 2020
    Applicant: Kawasaki Jukogyo Kabushiki Kaisha
    Inventor: Masayuki MITSUE
  • Publication number: 20190071105
    Abstract: Provided is a bearing monitoring device of a railcar, the railcar being constituted by coupling a plurality of cars including carbodies and bogies, the bearing monitoring device including: bearing temperature sensors provided at the respective bogies and configured to directly or indirectly detect temperatures of bearings of the bogies; at least one state sensor provided at at least one of the carbodies of the plurality of cars and configured to be used for calculating loads or rotating speeds of the bearings; and a storage unit provided at at least one of the carbodies of the plurality of cars and configured to store data pieces of signals detected by the bearing temperature sensors and the state sensor.
    Type: Application
    Filed: January 17, 2017
    Publication date: March 7, 2019
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro NISHIMURA, Yoshi SATO, Keiichiro KAMURA, Masayuki MITSUE
  • Publication number: 20190063533
    Abstract: There is provided a configuration in which an association between a location of each brake shoe of a railway vehicle and each abrasion detection tag is easily learned, and system implementation and management are simplified. A brake shoe abrasion detection system of a railway vehicle includes a computer that receives data of a signal read by a reader from at least one abrasion detection RF tag attached to each of a plurality of brake shoes of the railway vehicle passing the reader. The computer determines an association between a plurality of the signals and the plurality of brake shoes based on an order that the reader reads the plurality of signals from a plurality of the abrasion detection RF tags attached to the plurality of brake shoes, respectively.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshi SATO, Takehiro NISHIMURA, Akihiko TADA, Takao SEKIYA, Takashi MIYAZAKI, Kazutsuna IKEDA, Masayuki MITSUE, Yuta YOSHIMATSU
  • Publication number: 20190063532
    Abstract: There is provided a configuration that can precisely detect abrasion of brake shoes of a railway vehicle. A brake shoe abrasion detection unit includes: at least one abrasion detection RF tag that is attached at a position of an abrasion limit of a brake shoe of a railway vehicle tread brake or a position closer to a braking surface than the abrasion limit; and a reference RF tag that is attached at a position beyond the abrasion limit of the brake shoe.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshi SATO, Takehiro NISHIMURA, Akihiko TADA, Takao SEKIYA, Takashi MIYAZAKI, Kazutsuna IKEDA, Masayuki MITSUE, Yuta YOSHIMATSU
  • Publication number: 20190047598
    Abstract: A bearing monitoring device of a railcar configured to monitor a bearing of a bogie supporting a carbody includes: a receiving unit configured to receive a data piece of a bearing temperature and at least one of a data piece of a load and a rotating speed of the bearing; and a diagnostic unit configured to, when a monitoring value exceeds a variable threshold, determine that an abnormality of the bearing has occurred, the monitoring value being at least one of a temperature value and a temperature increase rate, the at least one of the temperature value and the temperature increase rate being obtained from the data piece of the temperature of the bearing received by the receiving unit, wherein when at least one of a value of the data piece of the load and of the rotating speed decreases, the diagnostic unit lowers the variable threshold.
    Type: Application
    Filed: January 17, 2017
    Publication date: February 14, 2019
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro NISHIMURA, Yoshi SATO, Keiichiro KAMURA, Masayuki MITSUE
  • Publication number: 20190009804
    Abstract: A state monitoring device for use in a train set constituted by coupling cars each including a carbody and a pair of bogies arranged at both respective longitudinal direction end portions of the carbody and supporting the carbody includes: sensors provided at the respective bogies and configured to detect state information of devices provided at the bogies; wireless transmitters provided at the respective bogies and configured to wirelessly transmit sensor signals containing the detected state information; and at least one wireless receiver configured to receive the sensor signals wirelessly transmitted from the wireless transmitters.
    Type: Application
    Filed: November 24, 2016
    Publication date: January 10, 2019
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro NISHIMURA, Yoshi SATO, Keiichiro KAMURA, Masayuki MITSUE
  • Patent number: D920138
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: May 25, 2021
    Inventors: Shingo Kuwashiro, Masayuki Mitsue, Kyoko Yoshida