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).

  • Publication number: 20150027261
    Abstract: 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: Application
    Filed: July 24, 2014
    Publication date: January 29, 2015
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Manabu OKAHISA, Takahiko KANAMORI, Tatsuo HIRO
  • Publication number: 20150013492
    Abstract: 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: Application
    Filed: October 1, 2014
    Publication date: January 15, 2015
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takenori OKA, Manabu OKAHISA
  • Patent number: 8910538
    Abstract: 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: Grant
    Filed: January 27, 2012
    Date of Patent: December 16, 2014
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Yusuke Hayashi, Manabu Okahisa, Keisuke Yonehara
  • Publication number: 20140121837
    Abstract: 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: Application
    Filed: January 8, 2014
    Publication date: May 1, 2014
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yukio HASHIGUCHI, Shingo ANDO, Takuya FUKUDA, Takenori OKA, Shinji MURAI, Takeomi HIDAKA, Manabu OKAHISA
  • Publication number: 20140061168
    Abstract: 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: Application
    Filed: August 1, 2013
    Publication date: March 6, 2014
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Masami NAKAKURA, Teppei SONODA, Manabu OKAHISA
  • Patent number: 8661926
    Abstract: 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: Grant
    Filed: October 6, 2010
    Date of Patent: March 4, 2014
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Masato Ito, Manabu Okahisa
  • Patent number: 8650965
    Abstract: 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: Grant
    Filed: August 30, 2011
    Date of Patent: February 18, 2014
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Yukio Hashiguchi, Shingo Ando, Takuya Fukuda, Takenori Oka, Shinji Murai, Takeomi Hidaka, Manabu Okahisa
  • Patent number: 8606394
    Abstract: 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: Grant
    Filed: May 18, 2010
    Date of Patent: December 10, 2013
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Manabu Okahisa, Kazunori Yamamoto
  • Publication number: 20130239639
    Abstract: 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: Application
    Filed: September 7, 2012
    Publication date: September 19, 2013
    Applicants: 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
  • Patent number: 8413538
    Abstract: 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: Grant
    Filed: May 26, 2011
    Date of Patent: April 9, 2013
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Kazuhiro Haniya, Manabu Okahisa, Atsushi Ichibangase
  • Patent number: 8396596
    Abstract: 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: Grant
    Filed: July 7, 2010
    Date of Patent: March 12, 2013
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Takenori Oka, Manabu Okahisa
  • Publication number: 20130058749
    Abstract: 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: Application
    Filed: February 20, 2012
    Publication date: March 7, 2013
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventor: Manabu OKAHISA
  • Publication number: 20130057106
    Abstract: 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: Application
    Filed: January 26, 2012
    Publication date: March 7, 2013
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yuji SAJIKAWA, Manabu OKAHISA
  • Publication number: 20120266712
    Abstract: 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: Application
    Filed: February 24, 2012
    Publication date: October 25, 2012
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takenori OKA, Masato Itou, Yusuke Kinoshita, Manabu Okahisa
  • Publication number: 20120266720
    Abstract: 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: Application
    Filed: February 27, 2012
    Publication date: October 25, 2012
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takenori OKA, Masato Itou, Yusuke Kinoshita, Manabu Okahisa
  • Publication number: 20120198955
    Abstract: 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: Application
    Filed: January 27, 2012
    Publication date: August 9, 2012
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yusuke HAYASHI, Manabu Okahisa, Keisuke Yonehara
  • Publication number: 20120167651
    Abstract: 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: Application
    Filed: December 23, 2011
    Publication date: July 5, 2012
    Applicants: 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
  • Publication number: 20120048027
    Abstract: 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: Application
    Filed: August 30, 2011
    Publication date: March 1, 2012
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yukio HASHIGUCHI, Shingo Ando, Takuya Fukuda, Takenori Oka, Shinji Murai, Takeomi Hidaka, Manabu Okahisa
  • Publication number: 20110219906
    Abstract: 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: Application
    Filed: May 26, 2011
    Publication date: September 15, 2011
    Inventors: Kazuhiro HANIYA, Manabu Okahisa, Atsushi Ichibangase
  • Patent number: 7971504
    Abstract: 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: Grant
    Filed: September 14, 2006
    Date of Patent: July 5, 2011
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Kazuhiro Haniya, Manabu Okahisa, Atsushi Ichibangase