Patents by Inventor Manabu Okahisa
Manabu Okahisa 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: 20150027261Abstract: A robot according to an aspect of an embodiment includes a robot arm, an attaching portion, an end effector, an end-effector-side cable, and a robot-side cable. The attaching portion is provided on a leading end of the robot arm. The end effector is attached to the attaching portion. The end-effector-side cable extends from the end effector. The robot-side cable is arranged along the robot arm and is connected to the end-effector-side cable by terminal connection at a position closer to the end effector than the attaching portion.Type: ApplicationFiled: July 24, 2014Publication date: January 29, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Manabu OKAHISA, Takahiko KANAMORI, Tatsuo HIRO
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Publication number: 20150013492Abstract: A robot includes a body, a first arm, and a second arm. The first arm includes one joint, an adjacent joint that is adjacent to the one joint, and another adjacent joint that is adjacent to the adjacent joint. When the first arm is extended in a vertical orientation relative to the body, the one joint of the first arm has a rotation axis that is offset by a first distance in a first horizontal direction from a rotation axis of the adjacent joint of the first arm, and the another adjacent joint of the first arm has a rotation axis that is offset by a second distance in a second horizontal direction from the rotation axis of the adjacent joint of the first arm. The first horizontal direction is opposite to the second horizontal direction.Type: ApplicationFiled: October 1, 2014Publication date: January 15, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takenori OKA, Manabu OKAHISA
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Patent number: 8910538Abstract: A robot according to an embodiment includes a base, a first structure, a second structure, and a third structure. The first structure is connected to the base to be rotatable about a first axis. The second structure is connected to the first structure to be rotatable about a second axis orthogonal to the first axis. The third structure is connected to the second structure to be rotatable about a third axis parallel to the second axis. The first structure and the third structure are formed by using cast materials having a same shape.Type: GrantFiled: January 27, 2012Date of Patent: December 16, 2014Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Yusuke Hayashi, Manabu Okahisa, Keisuke Yonehara
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Publication number: 20140121837Abstract: A robot system includes a robot arm, one or more actuators that are provided in the robot arm to drive the robot arm, a sensor unit that detects an external force applied to at least one of the robot arm and the actuators, and a controller that controls an operation of each of the actuators and limits a torque instruction value for each of the actuators on the basis of a detection result of the sensor unit.Type: ApplicationFiled: January 8, 2014Publication date: May 1, 2014Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yukio HASHIGUCHI, Shingo ANDO, Takuya FUKUDA, Takenori OKA, Shinji MURAI, Takeomi HIDAKA, Manabu OKAHISA
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Publication number: 20140061168Abstract: A seam welding robot includes a robot arm and a welding unit that is coupled to the robot arm. The welding unit includes a pair of roller electrodes. The pair of roller electrodes rotates following motion of the robot arm while sandwiching and pressurizing welding targets. The welding unit passes a welding electric current between the pair of roller electrodes to seam-weld the welding targets.Type: ApplicationFiled: August 1, 2013Publication date: March 6, 2014Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Masami NAKAKURA, Teppei SONODA, Manabu OKAHISA
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Patent number: 8661926Abstract: A robot manipulator includes a plurality of joint shafts including at least first and second joint shafts. If the robot manipulator extends vertically with respect to a rotation center of the first joint shaft that rotates in a horizontal plane, a rotation center of the second joint shaft that rotates in another horizontal plane is offset from the rotation center of the first joint shaft.Type: GrantFiled: October 6, 2010Date of Patent: March 4, 2014Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Masato Ito, Manabu Okahisa
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Patent number: 8650965Abstract: A robot according to an embodiment includes an arm, a strain sensor, one or more actuator, and a sensor fixing jig. The strain sensor includes a piezoelectric body that has a natural frequency higher than a natural frequency of a structural material forming the arm. The one or more actuators are provided in the arm to drive the arm. The sensor fixing jig is provided in a base of the actuator, among the actuators in the arm, closest to a base end of the arm. The strain sensor is provided in the sensor fixing jig.Type: GrantFiled: August 30, 2011Date of Patent: February 18, 2014Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Yukio Hashiguchi, Shingo Ando, Takuya Fukuda, Takenori Oka, Shinji Murai, Takeomi Hidaka, Manabu Okahisa
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Patent number: 8606394Abstract: A robot includes an arm member, a rotary actuator that swings the arm member, a hand member provided at an end of the arm member, a joint member that connects the arm member and the hand member to each other such that the arm member and the hand member are rotatable with respect to each other, a linear actuator that supports and linearly moves the rotary actuator, and a controller that operates the rotary actuator and the linear actuator in association with each other to linearly move the hand member in a forward-backward direction.Type: GrantFiled: May 18, 2010Date of Patent: December 10, 2013Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Manabu Okahisa, Kazunori Yamamoto
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Publication number: 20130239639Abstract: A positioning apparatus and a working system which can position a workpiece with better accuracy at a lower cost and in a reduced space even when the workpiece is heavy are provided. The positioning apparatus has 3 robot arms (1)-(3) each having an arm and an actuator which drives the arm, a mounting platform (5) which is supported by the ends of the three robot arms (1)-(3), a securing jig (6) which secures a workpiece W which is mounted on the mounting platform (5) to the mounting platform (5), and a controller (9) which controls the operation of each of the actuators.Type: ApplicationFiled: September 7, 2012Publication date: September 19, 2013Applicants: KABUSHIKI KAISHA YASKAWA DENKI, SUMITOMO PIPE & TUBE CO., LTD., SUMITOMO METAL INDUSTRIES, LTD.Inventors: Manabu OKAHISA, Yusuke Kinoshita, Takashi Suyama, Atsushi Tomizawa, Shinjiro Kuwayama, Mitsusato Hara
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Patent number: 8413538Abstract: An articulated manipulator includes a base body, a first arm body, a second arm body having a second arm center axis, and a third arm body. A first joint part connects the base body and a first end portion of the first arm body rotatably around a first rotation axis. A second joint part connects a second end portion of the first arm body and a third end portion of the second arm body rotatably around a second rotation axis. A third joint part connects a fourth end portion of the second arm body and a fifth end portion of the third arm body rotatably around the third rotation axis. When the first, second and third arm bodies are all erected with respect to a installation surface, the first rotation axis, the second arm center axis, and the third rotation axis are substantially aligned with each other.Type: GrantFiled: May 26, 2011Date of Patent: April 9, 2013Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Kazuhiro Haniya, Manabu Okahisa, Atsushi Ichibangase
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Patent number: 8396596Abstract: A robot includes an arm including a plurality of joints, arm members that form the arm, each arm member supporting a load, actuators that drive the joints and that are supported by the arm members, a load sensor embedded in at least one of the arm members to measure the load applied to the at least one of the arm members, a controller that controls movements of the actuators on the basis of a result of the measurement performed by the load sensor, and a wire hole through which a sensor line extend from a space inside the at least one of the arm members to a space inside the arm, the sensor line connecting the load sensor to the controller.Type: GrantFiled: July 7, 2010Date of Patent: March 12, 2013Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Takenori Oka, Manabu Okahisa
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Publication number: 20130058749Abstract: A working robot according to an embodiment includes an arm part and a plurality of motors. The arm part includes a plurality of arm members. The plurality of motors respectively drives the plurality of arm members. Herein, rated powers respectively corresponding to the motors are the same.Type: ApplicationFiled: February 20, 2012Publication date: March 7, 2013Applicant: Kabushiki Kaisha Yaskawa DenkiInventor: Manabu OKAHISA
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Publication number: 20130057106Abstract: A manufacturing method of a rotating electric machine according to an embodiment includes forming a stator by selectively attaching any one of a first stator winding and a second stator winding to a stator core, forming a rotor to be arranged on an inner periphery of the stator to face the stator, and arranging the stator and the rotor in a housing.Type: ApplicationFiled: January 26, 2012Publication date: March 7, 2013Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yuji SAJIKAWA, Manabu OKAHISA
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Publication number: 20120266712Abstract: This robot includes an arm and a joint provided on one end portion of the arm, and either the arm or the joint is provided with an end effector driving source to operate an end effector mounted to the arm through the joint.Type: ApplicationFiled: February 24, 2012Publication date: October 25, 2012Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takenori OKA, Masato Itou, Yusuke Kinoshita, Manabu Okahisa
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Publication number: 20120266720Abstract: This drive apparatus includes a first rotation mechanism portion including a first driven gear portion rotated by a first drive gear portion rotating about a first axis and a second rotation mechanism portion including a second driven gear portion rotated by a second drive gear portion rotating about the first axis.Type: ApplicationFiled: February 27, 2012Publication date: October 25, 2012Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takenori OKA, Masato Itou, Yusuke Kinoshita, Manabu Okahisa
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Publication number: 20120198955Abstract: A robot according to an embodiment includes a base, a first structure, a second structure, and a third structure. The first structure is connected to the base to be rotatable about a first axis. The second structure is connected to the first structure to be rotatable about a second axis orthogonal to the first axis. The third structure is connected to the second structure to be rotatable about a third axis parallel to the second axis. The first structure and the third structure are formed by using cast materials having a same shape.Type: ApplicationFiled: January 27, 2012Publication date: August 9, 2012Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yusuke HAYASHI, Manabu Okahisa, Keisuke Yonehara
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Publication number: 20120167651Abstract: A bending apparatus has (a) a first manipulator which feeds a hollow metal blank of closed cross section in its lengthwise direction, (b) a second manipulator which supports a first support means disposed at a first position and a metal blank while feeding it, a heating means disposed at a second position downstream of the first position in the blank feed direction for heating all or part of the circumference of the blank, and a cooling means disposed at a third position downstream of the second position for cooling a portion of the heated blank, and (c) a third manipulator which constitutes a second support means disposed at a fourth position downstream of the third position in the feed direction of the blank and which moves two-dimensionally or three-dimensionally while supporting at least one location of the metal blank to bend the metal blank into a desired shape.Type: ApplicationFiled: December 23, 2011Publication date: July 5, 2012Applicants: SUMITOMO METAL INDUSTRIES, LTD., KABUSHIKI KAISHA YASKAWA DENKI, SUMITOMO PIPE & TUBE CO, LTD.Inventors: Atsushi Tomizawa, Naoki Shimada, Shinjiro Kuwayama, Saburo Inoue, Manabu Okahisa, Yusuke Kinoshita, Takashi Suyama
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Publication number: 20120048027Abstract: A robot according to an embodiment includes arm and a strain sensor. The strain sensor includes a piezoelectric body that has a natural frequency higher than a natural frequency of a structural material forming the arm.Type: ApplicationFiled: August 30, 2011Publication date: March 1, 2012Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yukio HASHIGUCHI, Shingo Ando, Takuya Fukuda, Takenori Oka, Shinji Murai, Takeomi Hidaka, Manabu Okahisa
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Publication number: 20110219906Abstract: An articulated manipulator includes a base body, a first arm body, a second arm body having a second arm center axis, and a third arm body. A first joint part connects the base body and a first end portion of the first arm body rotatably around a first rotation axis. A second joint part connects a second end portion of the first arm body and a third end portion of the second arm body rotatably around a second rotation axis. A third joint part connects a fourth end portion of the second arm body and a fifth end portion of the third arm body rotatably around the third rotation axis. When the first, second and third arm bodies are all erected with respect to a installation surface, the first rotation axis, the second arm center axis, and the third rotation axis are substantially aligned with each other.Type: ApplicationFiled: May 26, 2011Publication date: September 15, 2011Inventors: Kazuhiro HANIYA, Manabu Okahisa, Atsushi Ichibangase
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Patent number: 7971504Abstract: This invention provides a manipulator that can facilitate a teaching method, improve the operation speed of an arm, and mount a heavy load in a narrow space. The manipulator includes a plurality of arm bodies provided in series, joint parts rotatably connecting two adjacent arm bodies, and the joint parts in which slope of rotation axes of the adjacent joints are 90 degrees, at least one linear body disposed in the joint parts coaxially with the rotation axes. The joint parts are composed of a servo motor, and a speed-reduction mechanism. The rotation axes of the servo motor, the speed-reduction mechanism and the joint parts become the same axis.Type: GrantFiled: September 14, 2006Date of Patent: July 5, 2011Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Kazuhiro Haniya, Manabu Okahisa, Atsushi Ichibangase