Patents by Inventor Katsuji Igarashi

Katsuji Igarashi 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: 11541552
    Abstract: Provided is a control device controlling a robot having a movable section to which a work section, performing work on a target object, is attached and which moves the work section.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: January 3, 2023
    Inventors: Yuki Sato, Yoshito Miyamoto, Yukihiro Yamaguchi, Katsuji Igarashi
  • Patent number: 11059172
    Abstract: A control apparatus includes a processor that is configured to execute computer-executable instructions so as to control a robot supporting a dispenser, wherein the processor is configured to calculate a movement velocity of a landing point where a discharge substance discharged from a discharge port of the dispenser to an object lands on the object, wherein the movement velocity is used for controlling a discharge amount of the discharge substance.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: July 13, 2021
    Inventor: Katsuji Igarashi
  • Publication number: 20200101621
    Abstract: Provided is a control device controlling a robot having a movable section to which a work section, performing work on a target object, is attached and which moves the work section.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Inventors: Yuki SATO, Yoshito MIYAMOTO, Yukihiro YAMAGUCHI, Katsuji IGARASHI
  • Patent number: 10532457
    Abstract: A robot includes a robot arm having an nth (n is an integer equal to or more than one) arm and an (n+1)th arm, the nth arm is rotatable about an nth rotation shaft, the (n+1)th arm is provided on the nth arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the nth rotation shaft, and, while a distal end of the robot arm is moved from a first point to a second point, a first operation such that the nth arm and the (n+1)th arm overlap as seen from the shaft direction of the (n+1)th rotation shaft and a second operation of rotating the nth arm are performed.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: January 14, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Shunsuke Toshimitsu, Kazushige Akaha, Kazuto Yoshimura, Katsuji Igarashi
  • Publication number: 20190030709
    Abstract: A robot includes a robot arm having an nth (n is an integer equal to or more than one) arm and an (n+1)th arm, the nth arm is rotatable about an nth rotation shaft, the (n+1)th arm is provided on the nth arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the nth rotation shaft, and, while a distal end of the robot arm is moved from a first point to a second point, a first operation such that the nth arm and the (n+1)th arm overlap as seen from the shaft direction of the (n+1)th rotation shaft and a second operation of rotating the nth arm are performed.
    Type: Application
    Filed: October 1, 2018
    Publication date: January 31, 2019
    Inventors: Shunsuke TOSHIMITSU, Kazushige AKAHA, Kazuto YOSHIMURA, Katsuji IGARASHI
  • Publication number: 20180333848
    Abstract: A control apparatus includes a processor that is configured to execute computer-executable instructions so as to control a robot supporting a dispenser, wherein the processor is configured to calculate a movement velocity of a landing point where a discharge substance discharged from a discharge port of the dispenser to an object lands on the object, wherein the movement velocity is used for controlling a discharge amount of the discharge substance.
    Type: Application
    Filed: May 10, 2018
    Publication date: November 22, 2018
    Inventor: Katsuji IGARASHI
  • Patent number: 10112297
    Abstract: A robot control apparatus that controls a robot including a manipulator, a force detector provided in the manipulator, and an actuator that drives the manipulator based on a target position, includes a display control unit that displays a motion position of the manipulator derived based on a target force and an output of the force detector and the target position on a screen.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: October 30, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yasuhiro Shimodaira, Masaki Motoyoshi, Kaoru Takeuchi, Katsuji Igarashi
  • Patent number: 10099366
    Abstract: A robot includes a robot arm having an nth (n is an integer equal to or more than one) arm and an (n+1)th arm, the nth arm is rotatable about an nth rotation shaft, the (n+1)th arm is provided on the nth arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the nth rotation shaft, and, while a distal end of the robot arm is moved from a first point to a second point, a first operation such that the nth arm and the (n+1)th arm overlap as seen from the shaft direction of the (n+1)th rotation shaft and a second operation of rotating the nth arm are performed.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: October 16, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Shunsuke Toshimitsu, Kazushige Akaha, Kazuto Yoshimura, Katsuji Igarashi
  • Publication number: 20180001486
    Abstract: A robot includes a manipulator including an n (n is an integer equal to or larger than 1)-th member capable of turning around an n-th turning axis, an (n+1)-th member provided in the n-th member to be capable of turning around an (n+1)-th turning axis having an axial direction different from an axial direction of the n-th turning axis, and an (n+2)-th member turnably provided in the (n+1)-th member. The n-th member and the (n+1)-th member are capable of overlapping each other when viewed from an axial direction of the (n+1)-th turning axis. A specific portion of the (n+2) -th member does not intrude into an inside of a first region including a turning center on the (n+1)-th turning axis. The first region includes a singular point of the manipulator and an immovable region of the manipulator.
    Type: Application
    Filed: June 28, 2017
    Publication date: January 4, 2018
    Inventors: Shunsuke TOSHIMITSU, Katsuji IGARASHI
  • Patent number: 9785138
    Abstract: A robot has an operation mode setting unit that sets an operation mode of the robot. The operation mode setting unit changes a correction factor multiplied by the maximum acceleration and the maximum deceleration of an arm and the servo gain of a servo circuit, and thereby selectively sets the operation mode to one of a first operation mode, a second operation mode in which the arm operates faster than in the first operation mode, and a third operation mode in which the arm vibrates less than in the first operation mode.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: October 10, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Shunsuke Toshimitsu, Hiroaki Fujimori, Katsuji Igarashi, Masatoshi Ono, Atsushi Asada
  • Publication number: 20170008170
    Abstract: A robot includes an angular velocity sensor installed to a second horizontal arm and for obtaining the angular velocity of the first horizontal arm with respect to a base, and suppresses the vibration of the first horizontal arm by driving a first electric motor based on the angular velocity of the first horizontal arm. In the robot, an electric wire to be connected to a second electric motor incorporated in the second horizontal arm and electric wire to be connected to the angular velocity sensor are laid around through a wiring duct having end portions coupled respectively to the base and the second horizontal arm, disposed outside the first horizontal arm and outside the second horizontal arm, and having a passage leading to the inside of the base and the inside of the second horizontal arm.
    Type: Application
    Filed: September 23, 2016
    Publication date: January 12, 2017
    Inventors: Katsuji IGARASHI, Masatoshi ONO
  • Publication number: 20160354925
    Abstract: A robot control apparatus that controls a robot including a manipulator, a force detector provided in the manipulator, and an actuator that drives the manipulator based on a target position, includes a display control unit that displays a motion position of the manipulator derived based on a target force and an output of the force detector and the target position on a screen.
    Type: Application
    Filed: June 2, 2016
    Publication date: December 8, 2016
    Inventors: Yasuhiro SHIMODAIRA, Masaki MOTOYOSHI, Kaoru TAKEUCHI, Katsuji IGARASHI
  • Patent number: 9481085
    Abstract: A robot includes an angular velocity sensor installed to a second horizontal arm and for obtaining the angular velocity of the first horizontal arm with respect to a base, and suppresses the vibration of the first horizontal arm by driving a first electric motor based on the angular velocity of the first horizontal arm. In the robot, an electric wire to be connected to a second electric motor incorporated in the second horizontal arm and electric wire to be connected to the angular velocity sensor are laid around through a wiring duct having end portions coupled respectively to the base and the second horizontal arm, disposed outside the first horizontal arm and outside the second horizontal arm, and having a passage leading to the inside of the base and the inside of the second horizontal arm.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: November 1, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Katsuji Igarashi, Masatoshi Ono
  • Publication number: 20160288336
    Abstract: A robot includes a robot arm having an nth (n is an integer equal to or more than one) arm and an (n+1)th arm, the nth arm is rotatable about an nth rotation shaft, the (n+1)th arm is provided on the nth arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the nth rotation shaft, and, while a distal end of the robot arm is moved from a first point to a second point, a first operation such that the nth arm and the (n+1)th arm overlap as seen from the shaft direction of the (n+1)th rotation shaft and a second operation of rotating the nth arm are performed.
    Type: Application
    Filed: March 24, 2016
    Publication date: October 6, 2016
    Inventors: Shunsuke TOSHIMITSU, Kazushige AKAHA, Kazuto YOSHIMURA, Katsuji IGARASHI
  • Patent number: 9457472
    Abstract: A position detection device for a horizontal articulated robot includes a camera for imaging the robot or a work as an imaging object, a control section for calculating a location of the imaging object from an image, an acquisition section (I/O) for obtaining the drive amounts of first and second electric motors of the robot, and a storage section for storing the calculated location of the imaging object and the drive amounts so as to correspond to each other. A common trigger signal for detecting the location of the imaging object is input to the camera and the I/O. The camera starts to image the imaging object in response to the input of the trigger signal. The I/O starts to obtain the drive amounts in response to the input of the trigger signal.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: October 4, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Katsuji Igarashi, Atsushi Asada, Nobuyuki Setsuda, Chieko Iuchi
  • Patent number: 9452534
    Abstract: A robot includes a first horizontal arm coupled to a base, a second horizontal arm coupled to the base via the first horizontal arm, first and second motors adapted to rotate the respective arms, and first and second encoders adapted to calculate rotational angles and rotational velocities of the respective motors. A first motor control section subtracts first and second angular velocities based on the first and second encoders from a sensor angular velocity detected by an angular sensor, and controls the first motor so that a velocity measurement value obtained by adding a vibration velocity based on a vibration angular velocity as the subtraction result and a first rotational velocity becomes equal to a velocity command value.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: September 27, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Katsuji Igarashi, Masaki Motoyoshi
  • Publication number: 20160161937
    Abstract: A robot has an operation mode setting unit that sets an operation mode of the robot. The operation mode setting unit changes a correction factor multiplied by the maximum acceleration and the maximum deceleration of an arm and the servo gain of a servo circuit, and thereby selectively sets the operation mode to one of a first operation mode, a second operation mode in which the arm operates faster than in the first operation mode, and a third operation mode in which the arm vibrates less than in the first operation mode.
    Type: Application
    Filed: February 16, 2016
    Publication date: June 9, 2016
    Inventors: Shunsuke TOSHIMITSU, Hiroaki FUJIMORI, Katsuji IGARASHI, Masatoshi ONO, Atsushi ASADA
  • Patent number: 9298179
    Abstract: A robot has an operation mode setting unit that sets an operation mode of the robot. The operation mode setting unit changes a correction factor multiplied by the maximum acceleration and the maximum deceleration of an arm and the servo gain of a servo circuit, and thereby selectively sets the operation mode to one of a first operation mode, a second operation mode in which the arm operates faster than in the first operation mode, and a third operation mode in which the arm vibrates less than in the first operation mode.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: March 29, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Shunsuke Toshimitsu, Hiroaki Fujimori, Katsuji Igarashi, Masatoshi Ono, Atsushi Asada
  • Publication number: 20150321357
    Abstract: A robot includes a first horizontal arm coupled to a base, a second horizontal arm coupled to the base via the first horizontal arm, first and second motors adapted to rotate the respective arms, and first and second encoders adapted to calculate rotational angles and rotational velocities of the respective motors. A first motor control section subtracts first and second angular velocities based on the first and second encoders from a sensor angular velocity detected by an angular sensor, and controls the first motor so that a velocity measurement value obtained by adding a vibration velocity based on a vibration angular velocity as the subtraction result and a first rotational velocity becomes equal to a velocity command value.
    Type: Application
    Filed: July 21, 2015
    Publication date: November 12, 2015
    Inventors: Katsuji IGARASHI, Masaki MOTOYOSHI
  • Patent number: D782472
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: March 28, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Toyoki Tanaka, Katsuji Igarashi, Takeshi Ishikawa