Patents by Inventor Hidetada Narahara

Hidetada Narahara 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: 11969841
    Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: April 30, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
  • Patent number: 11702295
    Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: July 18, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
  • Publication number: 20220023985
    Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.
    Type: Application
    Filed: October 8, 2021
    Publication date: January 27, 2022
    Inventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
  • Patent number: 11185954
    Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: November 30, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
  • Publication number: 20210094764
    Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.
    Type: Application
    Filed: December 14, 2020
    Publication date: April 1, 2021
    Inventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
  • Patent number: 10889449
    Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: January 12, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
  • Patent number: 10745203
    Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage travels and a plurality of control units each provided to corresponding one of the plurality of transport modules and configured to perform position control of the carriage in accordance with a pre-stored drive condition and a control start timing, and one of the plurality of control units which corresponds to a first transport module that is one of the plurality of transport modules corrects the drive condition by using a difference between an entry timing at which the carriage enters the first transport module and the control start timing.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: August 18, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Tomoda, Takeshi Yamamoto, Hidetada Narahara
  • Patent number: 10566917
    Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: February 18, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
  • Publication number: 20190344967
    Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage travels and a plurality of control units each provided to corresponding one of the plurality of transport modules and configured to perform position control of the carriage in accordance with a pre-stored drive condition and a control start timing, and one of the plurality of control units which corresponds to a first transport module that is one of the plurality of transport modules corrects the drive condition by using a difference between an entry timing at which the carriage enters the first transport module and the control start timing.
    Type: Application
    Filed: April 24, 2019
    Publication date: November 14, 2019
    Inventors: Koji Tomoda, Takeshi Yamamoto, Hidetada Narahara
  • Publication number: 20190160609
    Abstract: A transport system includes a transport path having at least two transporting modules, a carriage configured to move on the transport path, a controller provided on each of the two transporting modules and configured to drive the carriage in response to a drive command, and a sensor provided on each of the two transporting modules. The drive command is corrected with a distance between the sensors provided on the two transporting modules.
    Type: Application
    Filed: November 27, 2018
    Publication date: May 30, 2019
    Inventors: Takashi Nakamura, Hidetada Narahara, Shinichiro Takahama
  • Publication number: 20190092578
    Abstract: An embodiment includes a plurality of transport modules forming a transport path on which a carriage that transports a workpiece travels, and a control unit that controls a position of the carriage on the plurality of transport modules based on a drive instruction, and the control unit corrects the drive instruction during carriage motion that is based on the drive instruction and stops the carriage.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 28, 2019
    Inventors: Manabu Umeyama, Hidetada Narahara, Shinichiro Takahama, Takeshi Yamamoto, Koji Tomoda
  • Publication number: 20190081579
    Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.
    Type: Application
    Filed: November 8, 2018
    Publication date: March 14, 2019
    Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
  • Patent number: 10158304
    Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: December 18, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
  • Publication number: 20180041146
    Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 8, 2018
    Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
  • Patent number: 9847742
    Abstract: A linear motor control apparatus includes a plurality of coil units which are continuously arranged, a plurality of position detecting units configured to detect positions of a first truck and a second truck which move over the plurality of coil units, and a first deviation calculating unit configured to arithmetically operate deviation information as differences between values of the plurality of position detecting units and a target position. In addition, a first position control unit arithmetically operates current control signals on the basis of the deviation information, a first current control unit supplies driving currents to the plurality of coil units on the basis of the current control signals, and a switching unit outputs the values of the plurality of position detecting units for the first truck to the first position control unit and outputs the values of the plurality of position detecting units for the second truck to a second position control unit.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: December 19, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara
  • Publication number: 20150303841
    Abstract: A linear motor control apparatus has: a plurality of coil units; a plurality of position detecting units for detecting positions of a plurality of trucks which move over the plurality of coil units; a plurality of deviation calculating units for operating deviation information as differences between the detected truck positions and a target position of the detected truck; a plurality of position control units for operating current control signals based on the deviation information; a plurality of current control units for supplying driving currents to the coil units based on the current control signals; and a switching unit for switching the position control units to which the deviation information is transmitted or switching the current control units to which the current control signals are transmitted.
    Type: Application
    Filed: April 9, 2015
    Publication date: October 22, 2015
    Inventors: Norihiro Suzuki, Takeshi Yamamoto, Koji Tomoda, Satoru Deguchi, Hidetada Narahara