Patents by Inventor Kazushige Akaha

Kazushige Akaha 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: 10737378
    Abstract: A robot includes: a base; a first arm which is provided on the base so as to be rotatable around a first rotation axis; and a second arm which is provided on the first arm so as to be rotatable around a second rotation axis having an axial direction different from the axial direction of the first rotation axis, an angle formed by the first arm and the second arm is set as 0°, when seen in the axial direction of the second rotation axis, and the second arm does not interfere with an attachment surface where the base is provided, when the angle is 0°.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: August 11, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Kazushige Akaha, Christoph Meyerhoff, Kazuto Yoshimura
  • 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
  • Patent number: 10525597
    Abstract: A robot includes an instruction receiving unit that receives a calibration initiation instruction, and an arm that changes a positional relationship between a marker which indicates a reference point and a capturing unit when the calibration initiation instruction is received, in which the calibration of a coordinate system of the capturing unit and a coordinate system of the robot is performed on the basis of an image in which the marker is captured by the capturing unit after the positional relationship between the capturing unit and the marker changes.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: January 7, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Atsushi Harada, Yukihiro Yamaguchi, Taro Ishige, Koichi Yasuda, Kazushige Akaha
  • Patent number: 10322515
    Abstract: A robot system includes a cell; and a first robot and a second robot which are provided in the cell, in which the first robot includes an n-th (n is an integer which is equal to or greater than 1) arm which rotates around an n-th rotating axis, and an (n+1)th arm which is provided to rotate around an (n+1)th rotating axis which is an axial direction different from an axial direction of the n-th rotating axis, in the n-th arm, in which the length of the n-th arm is longer than the length of the (n+1)th arm, and in which, when viewed from the (n+1)th rotating axis, the n-th arm and the (n+1)th arm overlap each other.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: June 18, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Kazushige Akaha
  • Patent number: 10293480
    Abstract: A robot system includes: a cell; and a robot which is provided to move in the cell, in which the robot includes an n-th (n is an integer which is equal to or greater than 1) arm which rotates around an n-th rotating axis, and an (n+1)th arm which is provided to rotate around an (n+1)th rotating axis which is an axial direction different from an axial direction of the n-th rotating axis, in the n-th arm, in which the length of the n-th arm is longer than the length of the (n+1)th arm, and in which, when viewed from the (n+1)th rotating axis, the n-th arm and the (n+1)th arm overlap each other.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Kazushige Akaha
  • Patent number: 10293479
    Abstract: A robot includes: a first arm rotatable about a first rotation axis; a second arm provided on the first arm rotatably about a second rotation axis that is a different axial direction from an axial direction of the first rotation axis; and a moving part provided on the second arm rotatably about a third rotation axis. The moving part has a third arm and a fourth arm. A maximum length of the moving part is longer than a length of the second arm and shorter than twice the length of the second arm. The first arm has a length longer than the length of the second arm. The first arm and the second arm can overlap with each other, as viewed from the axial direction of the second rotation axis.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: May 21, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Kazuto Yoshimura, Kazushige Akaha
  • Patent number: 10232517
    Abstract: A robot includes a robot arm having a first member rotatably provided on a base, a second member rotatably provided on the first member, a third member rotatably provided on the second member, and a fourth member rotatably provided on the third member. The fourth member has an arm rotatable about a rotation axis in an axis direction different from an axis direction of a rotation axis of the first member with respect to the base. In a first state, the first member, the second member, and the third member overlap. In a second state, at least one of a distal end of the robot arm and an end effector provided on the distal end of the robot arm overlaps with the second member.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 19, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Kazushige Akaha, Kazuto Yoshimura, Hiroaki Fujimori, Akio Niu
  • Patent number: 10195750
    Abstract: A robot includes: a base which is provided on a first surface; and a robot arm which is provided on the base, in which the robot arm includes an n-th arm and an (n+1)th arm, in which the n-th arm rotates around an n-th rotating axis, in which the (n+1)th arm is provided to rotate around an (n+1)th rotating axis which is an axial direction different from an axial direction of the n-th rotating axis, in the n-th arm, in which the length of the n-th arm is longer than the length of the (n+1)th arm, and, when viewed from the axial direction of the (n+1)th rotating axis, the n-th arm and the (n+1)th arm overlap each other, and in which a connection part between the base and the robot arm is positioned above the first surface in a vertical direction.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: February 5, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Kazushige Akaha, Kazuto Yoshimura
  • 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
  • Patent number: 10173331
    Abstract: A robot system includes a robot cell that includes a robot and a cell in which the robot is provided and enables coexistence with a human, and an installation area of the robot cell is less than 637,500 mm2 and the robot cell is movable. Further, the robot includes an n-th (n is an integer number equal to or more than one) arm rotatable about an n-th rotation shaft and an (n+1)th arm provided on the n-th arm rotatably about an (n+1)th rotation shaft in a shaft direction different from a shaft direction of the n-th rotation shaft, and a length of the n-th arm is longer than a length of the (n+1)th arm and the n-th arm and the (n+1)th arm can overlap as seen from the (n+1)th rotation shaft.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: January 8, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Kazushige Akaha
  • Publication number: 20180361567
    Abstract: A robot system includes: a cell; and a robot which is provided to move in the cell, in which the robot includes an n-th (n is an integer which is equal to or greater than 1) arm which rotates around an n-th rotating axis, and an (n+1)th arm which is provided to rotate around an (n+1)th rotating axis which is an axial direction different from an axial direction of the n-th rotating axis, in the n-th arm, in which the length of the n-th arm is longer than the length of the (n+1)th arm, and in which, when viewed from the (n+1)th rotating axis, the n-th arm and the (n+1)th arm overlap each other.
    Type: Application
    Filed: August 22, 2018
    Publication date: December 20, 2018
    Inventor: Kazushige AKAHA
  • Patent number: 10137568
    Abstract: A robot system includes: a cell; and a robot which is provided to move in the cell, in which the robot includes an n-th (n is an integer which is equal to or greater than 1) arm which rotates around an n-th rotating axis, and an (n+1)th arm which is provided to rotate around an (n+1)th rotating axis which is an axial direction different from an axial direction of the n-th rotating axis, in the n-th arm, in which the length of the n-th arm is longer than the length of the (n+1)th arm, and in which, when viewed from the (n+1)th rotating axis, the n-th arm and the (n+1)th arm overlap each other.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: November 27, 2018
    Assignee: Seiko Epson Corporation
    Inventor: Kazushige Akaha
  • 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: 20180243911
    Abstract: A robot includes an instruction receiving unit that receives a calibration initiation instruction, and an arm that changes a positional relationship between a marker which indicates a reference point and a capturing unit when the calibration initiation instruction is received, in which the calibration of a coordinate system of the capturing unit and a coordinate system of the robot is performed on the basis of an image in which the marker is captured by the capturing unit after the positional relationship between the capturing unit and the marker changes.
    Type: Application
    Filed: November 13, 2015
    Publication date: August 30, 2018
    Inventors: Atsushi HARADA, Yukihiro YAMAGUCHI, Taro ISHIGE, Koichi YASUDA, Kazushige AKAHA
  • Publication number: 20180236671
    Abstract: A robot includes a robot arm that has an nth arm (n is an integer of 1 or greater) and an (n+1)th arm disposed in the nth arm so as to be pivotable around an (n+1)th pivot axis, and a motor unit that drives the (n+1)th arm. Each of the nth arm and the (n+1)th arm has a cover. A wire is disposed between the motor and the cover of the nth arm. A non-contact seal structure is formed using the cover of the nth arm and the cover of the (n+1)th arm.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 23, 2018
    Inventors: Kazuto YOSHIMURA, Kazushige AKAHA, Sho NAKANO, Yoshinobu GOTO
  • Patent number: 10022878
    Abstract: A robot includes a supporting unit that rotatably supports a first passive shaft part, and a first arm fixed to the first passive shaft part, wherein the first arm has an internal space overlapping with the first passive shaft part in a direction orthogonal to a center shaft of the first passive shaft part.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: July 17, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Daisuke Komatsu, Kazushige Akaha
  • Publication number: 20180147719
    Abstract: A robot includes: a base; a first arm which is provided on the base so as to be rotatable around a first rotation axis; and a second arm which is provided on the first arm so as to be rotatable around a second rotation axis having an axial direction different from the axial direction of the first rotation axis, an angle formed by the first arm and the second arm is set as 0°, when seen in the axial direction of the second rotation axis, and the second arm does not interfere with an attachment surface where the base is provided, when the angle is 0°.
    Type: Application
    Filed: January 31, 2018
    Publication date: May 31, 2018
    Inventors: Kazushige AKAHA, Christoph MEYERHOFF, Kazuto YOSHIMURA
  • Patent number: 9764463
    Abstract: A robot includes: a base; an arm which is provided to be rotatable with respect to the base using a predetermined rotation shaft as the center of rotation; and an elongated object including a portion present in the base and in the arm, in which the elongated object is bound in a first binding position which is on the rotation shaft and in the base and a second binding position which is on the rotation shaft and in the arm.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: September 19, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Seiji Hahakura, Kazushige Akaha, Sho Nakano, Takuya Owa, Kotaro Sekine, Daisuke Komatsu
  • Publication number: 20170225326
    Abstract: A robot includes: a base; a first arm which is provided on the base so as to be rotatable around a first rotation axis; and a second arm which is provided on the first arm so as to be rotatable around a second rotation axis having an axial direction different from the axial direction of the first rotation axis, an angle formed by the first arm and the second arm is set as 0°, when seen in the axial direction of the second rotation axis, and the second arm does not interfere with an attachment surface where the base is provided, when the angle is 0°.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 10, 2017
    Inventors: Kazushige AKAHA, Christoph MEYERHOFF, Kazuto YOSHIMURA
  • Publication number: 20170190058
    Abstract: A horizontal multijoint type robot is so constructed that it comprises a first arm connected through a first joint shaft to a base, a second arm connected through a second joint shaft to the first arm, and a working shaft provided rotatably and movably up and down on the distal end of the second arm, and that the arm length L1 of the first arm and the arm length L2 of the second arm are equal to each other so that the second arm is able to overlap the first arm.
    Type: Application
    Filed: March 17, 2017
    Publication date: July 6, 2017
    Inventors: Christoph MEYERHOFF, Kazushige AKAHA