Patents by Inventor Yukihiro Yamaguchi
Yukihiro Yamaguchi 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).
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Publication number: 20170151671Abstract: A control device is capable of controlling each of a robot having a robot arm, and an imaging portion which is capable of capturing a first reference marker, a second reference marker, and a third reference marker, any one of the imaging portion, the first reference marker, the second reference marker, and the third reference marker is provided in the robot, and a posture of a reference surface parallel to a plane which passes through the first reference marker, the second reference marker, and the third reference marker, is acquired based on a first image in which the first reference marker is captured by the imaging portion, a second image in which the second reference marker is captured by the imaging portion, and a third image which captures the third reference marker by the imaging portion.Type: ApplicationFiled: November 29, 2016Publication date: June 1, 2017Inventors: Taro ISHIGE, Atsushi HARADA, Yukihiro YAMAGUCHI, Hiromitsu ABE
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Patent number: 9616571Abstract: A robot performs, after i-th (i is a natural number) work, i+1-th work different from the i-th work and performs, after j-th (j is a natural number satisfying j?i) work, j+1-th work different from the j-th work. The robot performs the i+1-th work after the i-th work without changing information concerning correction in a joint of the robot during the i-th work, performs robot calibration after the j-th work, and performs the j+1-th work after performing the robot calibration.Type: GrantFiled: November 4, 2014Date of Patent: April 11, 2017Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Taro Ishige
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Patent number: 9561594Abstract: A robot includes, a holding unit configured to hold an object, an image pickup unit, and a predetermined first portion of the robot. The image pickup unit picks up images of the holding unit and the object using the first portion as a background.Type: GrantFiled: November 4, 2014Date of Patent: February 7, 2017Assignee: Seiko Epson CorporationInventor: Yukihiro Yamaguchi
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Publication number: 20160354929Abstract: A robot includes: a local coordinate system deriving portion which derives a local coordinate system having two shafts which are parallel to a work plane and orthogonal to each other, based on an image in which markers illustrating three or more points on the work plane which is not horizontal are captured; and a control parameter obtaining portion which obtains control parameters via the local coordinate system.Type: ApplicationFiled: May 18, 2016Publication date: December 8, 2016Inventors: Taro ISHIGE, Atsushi HARADA, Yukihiro YAMAGUCHI
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Publication number: 20160288333Abstract: A robot includes an arm, and the arm is controlled using an offset of a reference point of a tool, the tool being attached to the arm, the offset being set based on a first state, in which a first image, in which the reference point is located at a control point of an image, can be taken by a imaging section, and a second state, in which a second image, in which the tool is rotated around a rotational axis passing through a position of the reference point in the state in which the reference point is located at the control point, can be taken by the imaging section, and controlled based on a third image, which is taken by the imaging section, and in which the control point is shifted from the reference point, in a process of a transition from the first state to the second state.Type: ApplicationFiled: March 17, 2016Publication date: October 6, 2016Inventors: Yukihiro YAMAGUCHI, Koichi YASUDA, Kenji MATSUURA
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Publication number: 20150367506Abstract: A robot includes a gripping section adapted to grip an object by open and close a pair of finger sections, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and dispose the pair of finger sections in a periphery of the object, and then control the gripping section to open and close the pair of finger sections in a plane parallel to a mounting surface on which the object is mounted, pinch the object between the pair of finger sections from a lateral side of the object, and grip the object with the gripping section at at least three contact points.Type: ApplicationFiled: August 28, 2015Publication date: December 24, 2015Inventors: Yukihiro YAMAGUCHI, Kazuhiro KOSUGE, Yasuhisa HIRATA, Aya KAISUMI
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Patent number: 9149928Abstract: A robot includes a gripping section adapted to grip an object by open and close a pair of finger sections, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and dispose the pair of finger sections in a periphery of the object, and then control the gripping section to open and close the pair of finger sections in a plane parallel to a mounting surface on which the object is mounted, pinch the object between the pair of finger sections from a lateral side of the object, and grip the object with the gripping section at least three contact points.Type: GrantFiled: September 14, 2011Date of Patent: October 6, 2015Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Kazuhiro Kosuge, Yasuhisa Hirata, Aya Kaisumi
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Publication number: 20150127153Abstract: A robot performs, after i-th (i is a natural number) work, i+1-th work different from the i-th work and performs, after j-th (j is a natural number satisfying j?i) work, j+1-th work different from the j-th work. The robot performs the i+1-th work after the i-th work without changing information concerning correction in a joint of the robot during the i-th work, performs robot calibration after the j-th work, and performs the j+1-th work after performing the robot calibration.Type: ApplicationFiled: November 4, 2014Publication date: May 7, 2015Inventors: Yukihiro YAMAGUCHI, Taro ISHIGE
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Publication number: 20150127160Abstract: A robot includes, a holding unit configured to hold an object, an image pickup unit, and a predetermined first portion of the robot. The image pickup unit picks up images of the holding unit and the object using the first portion as a background.Type: ApplicationFiled: November 4, 2014Publication date: May 7, 2015Inventor: Yukihiro YAMAGUCHI
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Publication number: 20150120055Abstract: An image acquisition unit acquires an image including an object, and a controller starts a visual servo using the acquired image, on the basis of at least one of an error in calibration, an error in installation of a robot, an error resulting from the rigidity of the robot, an error of a position where the robot has gripped the object, an error regarding imaging, and an error regarding a work environment. Additionally, the controller starts the visual servo when the distance between one point of a working unit of the robot and the object is equal to or greater than 2 mm.Type: ApplicationFiled: October 29, 2014Publication date: April 30, 2015Inventors: Hiroshi MIYAZAWA, Yukihiro YAMAGUCHI, Nobuhiro KARITO
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Patent number: 8942845Abstract: A robot includes a gripping section and a main body section to which the pair of finger sections are attached, having one end sections of the pair of finger sections rotatably connected to each other around a first rotating shaft disposed at a position separate from the main body section, and adapted to open and close the pair of finger sections by swinging the other side of the pair of finger sections on a plane parallel to a mounting surface on which an object is mounted centered on the first rotating shaft to thereby grip the object, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and grip the object with the gripping section at at least three contact points.Type: GrantFiled: September 14, 2011Date of Patent: January 27, 2015Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Tatsuya Hosoda, Kazuhiro Kosuge, Yasuhisa Hirata
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Publication number: 20140249677Abstract: A robot includes a gripping section and a main body section to which the pair of finger sections are attached, having one end sections of the pair of finger sections rotatably connected to each other around a first rotating shaft disposed at a position separate from the main body section, and adapted to open and close the pair of finger sections by swinging the other side of the pair of finger sections on a plane parallel to a mounting surface on which an object is mounted centered on the first rotating shaft to thereby grip the object, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and grip the object with the gripping section at at least three contact points.Type: ApplicationFiled: May 8, 2014Publication date: September 4, 2014Applicant: Seiko Epson CorporationInventors: Yukihiro YAMAGUCHI, Tatsuya HOSODA, Kazuhiro KOSUGE, Yasuhisa HIRATA
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Patent number: 8622452Abstract: A recess has a proximal-end-side surface and a distal-end-side surface. When an intersection between a straight line included in the proximal-end-side surface and a straight line included in the distal-end-side surface is a base point, a line passing through the base point is a base line, a line between two claw portions, passing through an end point of the recess and orthogonal to the base line is an orthogonal line, the angle ? made between the base line, and the straight line included in the distal-end-side surface is greater than 0 degrees and less than 90 degrees, the angle ? made between the orthogonal line, and the straight line included in the proximal-end-side surface is greater than 0 degrees and less than 90 degrees, and the length d from the base point to the orthogonal line is greater than 0.Type: GrantFiled: December 20, 2011Date of Patent: January 7, 2014Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Kazuhiro Kosuge, Yasuhisa Hirata, Kengo Yamaguchi, Aya Kaisumi
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Patent number: 8577500Abstract: A robot apparatus includes: an image pickup device; a goal-image storing unit that stores, according to sensitivity represented by an amount of change of a pixel value at the time when a target aligned with a goal position on an image at a pixel level is displaced by a displacement amount at a sub-pixel level, goal image data in a state in which the target is arranged; and a target detecting unit that calculates a coincident evaluation value of the target on the basis of comparison of image data including the target and the goal image data stored by the goal-image storing unit and detects positional deviation of the target with respect to the goal position on the basis of the coincidence evaluation value.Type: GrantFiled: February 8, 2012Date of Patent: November 5, 2013Assignee: Seiko Epson CorporationInventors: Yukihiro Yamaguchi, Shingo Kagami, Kenji Matsunaga, Koichi Hashimoto
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Publication number: 20120209429Abstract: A robot apparatus includes: an image pickup device; a goal-image storing unit that stores, according to sensitivity represented by an amount of change of a pixel value at the time when a target aligned with a goal position on an image at a pixel level is displaced by a displacement amount at a sub-pixel level, goal image data in a state in which the target is arranged; and a target detecting unit that calculates a coincident evaluation value of the target on the basis of comparison of image data including the target and the goal image data stored by the goal-image storing unit and detects positional deviation of the target with respect to the goal position on the basis of the coincidence evaluation value.Type: ApplicationFiled: February 8, 2012Publication date: August 16, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Yukihiro YAMAGUCHI, Shingo KAGAMI, Kenji MATSUNAGA, Koichi HASHIMOTO
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Publication number: 20120153652Abstract: A recess has a proximal-end-side surface and a distal-end-side surface. When an intersection between a straight line included in the proximal-end-side surface and a straight line included in the distal-end-side surface is a base point, a line passing through the base point is a base line, a line between two claw portions, passing through an end point of the recess and orthogonal to the base line is an orthogonal line, the angle ? made between the base line, and the straight line included in the distal-end-side surface is greater than 0 degrees and less than 90 degrees, the angle ? made between the orthogonal line, and the straight line included in the proximal-end-side surface is greater than 0 degrees and less than 90 degrees, and the length d from the base point to the orthogonal line is greater than 0.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Yukihiro YAMAGUCHI, Kazuhiro KOSUGE, Yasuhisa HIRATA, Kengo YAMAGUCHI, Aya KAISUMI
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Publication number: 20120065780Abstract: A robot includes a gripping section and a main body section to which the pair of finger sections are attached, having one end sections of the pair of finger sections rotatably connected to each other around a first rotating shaft disposed at a position separate from the main body section, and adapted to open and close the pair of finger sections by swinging the other side of the pair of finger sections on a plane parallel to a mounting surface on which an object is mounted centered on the first rotating shaft to thereby grip the object, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and grip the object with the gripping section at at least three contact points.Type: ApplicationFiled: September 14, 2011Publication date: March 15, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Yukihiro YAMAGUCHI, Tatsuya HOSODA, Kazuhiro KOSUGE, Yasuhisa HIRATA
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Publication number: 20120065779Abstract: A robot includes a gripping section adapted to grip an object by open and close a pair of finger sections, a moving device adapted to relatively move the object and the gripping section, and a control device adapted to control the moving device to move the gripping section relatively toward the object, and dispose the pair of finger sections in a periphery of the object, and then control the gripping section to open and close the pair of finger sections in a plane parallel to a mounting surface on which the object is mounted, pinch the object between the pair of finger sections from a lateral side of the object, and grip the object with the gripping section at least three contact points.Type: ApplicationFiled: September 14, 2011Publication date: March 15, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Yukihiro Yamaguchi, Kazuhiro Kosuge, Yasuhisa Hirata, Aya Kaisumi
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Patent number: 7862753Abstract: According to an aspect of the invention, a compression molding method for a cutting insert, in which molding powder filled into a molding space defined by a die, an upper punch, and a lower punch is compression-molded by the upper and lower punches, includes, sliding both the upper and lower punches individually to positions just short of estimated stop positions obtained for design by means of a position controller, and then sliding the punches by means of a load controller so that a predetermined pressure is reached.Type: GrantFiled: September 16, 2009Date of Patent: January 4, 2011Assignee: Tungaloy CorporationInventors: Yukihiro Yamaguchi, Kuniyoshi Shindo
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Publication number: 20100007053Abstract: According to an aspect of the invention, a compression molding method for a cutting insert, in which molding powder filled into a molding space defined by a die, an upper punch, and a lower punch is compression-molded by the upper and lower punches, includes, sliding both the upper and lower punches individually to positions just short of estimated stop positions obtained for design by means of a position controller, and then sliding the punches by means of a load controller so that a predetermined pressure is reached.Type: ApplicationFiled: September 16, 2009Publication date: January 14, 2010Inventors: Yukihiro Yamaguchi, Kuniyoshi Shindo