Patents by Inventor Takema Yamazaki

Takema Yamazaki 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: 20230278233
    Abstract: A robot controller includes a case having an intake port and an exhaust port and a flow channel connecting the intake port and the exhaust port, in which a gas supplied from the intake port flows toward the exhaust port, and a circuit board converting one of an alternating current and a direct current into the other, wherein the flow channel has a first region in which the circuit board is placed, a second region located downstream of the first region, a partition wall partitioning the first region and the second region, and a communication hole formed in the partition wall and communicating between the first region and the second region, and an opening area of the communication hole is smaller than an opening area of the intake port.
    Type: Application
    Filed: January 30, 2023
    Publication date: September 7, 2023
    Inventor: Takema YAMAZAKI
  • Publication number: 20230241766
    Abstract: A robot controller includes a case having an intake port and a flow channel connecting to the intake port, in which a gas supplied from the intake port flows, a control board for controlling a motion of a robot, a drive circuit board placed within the flow channel and controlling driving of a motor included in the robot, a power supply circuit board placed upstream of the drive circuit board within the flow channel and supplying electric power to the control board, and a fan placed between the drive circuit board and the power supply circuit board within the flow channel.
    Type: Application
    Filed: January 30, 2023
    Publication date: August 3, 2023
    Inventor: Takema YAMAZAKI
  • Publication number: 20230241784
    Abstract: A robot controller includes a case having an intake port and an exhaust port and a flow channel connecting the intake port and the exhaust port, in which a gas supplied from the intake port flows toward the exhaust port, a circuit board placed within the flow channel and converting one of an alternating current and a direct current into the other, and a regenerative resistor placed downstream of the circuit board within the flow channel and consuming a counter electromotive force generated from a motor of a robot. Further, the intake port and the exhaust port are placed in a same surface.
    Type: Application
    Filed: January 30, 2023
    Publication date: August 3, 2023
    Inventor: Takema YAMAZAKI
  • Publication number: 20230191631
    Abstract: A method according to the present disclosure includes: (a) carrying out overexcitation of an electromagnetic brake; (b) controlling a fan cooling a control device in such a way that a power consumption of the fan becomes a first power consumption in an overexcitation period during which the overexcitation is carried out; and (c) controlling the fan in such a way that the power consumption of the fan becomes a second power consumption higher than the first power consumption, after the overexcitation period.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 22, 2023
    Inventor: Takema YAMAZAKI
  • Publication number: 20220331954
    Abstract: A method of generating a control program for a robot includes generating a trajectory in which a robot arm moves between a plurality of teaching points based on a first constraint condition with respect to a movement time of the robot arm and a second constraint condition with respect to a drive condition for driving the robot arm by a processor, displaying the trajectory generated by the processor and accumulated power consumption when the robot arm moves along the trajectory by a display unit, and, when receiving an instruction to employ the trajectory, generating a control program for the robot based on the trajectory by the processor.
    Type: Application
    Filed: March 24, 2022
    Publication date: October 20, 2022
    Inventors: Takema YAMAZAKI, Daisuke SATO, Daiki TOKUSHIMA
  • Patent number: 11312013
    Abstract: In a robot system, a control device includes a power supplier and a main controller; a robot includes a first controller releasing the braking of a first drive portion by a first braker through a supply of a current from the power supplier and a second controller releasing the braking of a second drive portion by the second braker through a supply of a current from the power supplier; the main controller causes the first controller and the second controllers to release the braking by the first braker and the second braker; a power line coupling the power supplier, the first controller, and the second controller to each other is in a daisy chain coupling; and a first release timing at which the first controller releases the braking by the first braker is different from a second release timing at which the second controller releases the braking by the second braker.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: April 26, 2022
    Inventor: Takema Yamazaki
  • Patent number: 11305438
    Abstract: A robot control device that controls a robot including a motor, the robot control device comprising: a power converter that is connected to the motor by a power line and converts supplied power to power to be supplied to the motor; a brake that brakes the motor by short-circuiting the power lines, and an inductance element that is provided on the power line and positioned closer to the power converter side than a connection point between the brake and the power line.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: April 19, 2022
    Inventor: Takema Yamazaki
  • Patent number: 10894327
    Abstract: A robot includes an arm, a plurality of motors provided in the arm, and a pipe connected to the arm. Wires passing through the inside of the pipe include a first power line, which is one power line for supplying electric power to a pair or more of the motors among the plurality of motors.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: January 19, 2021
    Inventors: Takema Yamazaki, Ryosuke Teranaka
  • Patent number: 10751889
    Abstract: A robot includes a robot main body section including a base and a robot arm coupled to the base and including a sealed internal space, a driving section provided on the inside of the robot arm and configured to drive the robot arm, a control board provided on the inside of the base, a power supply board provided on the inside of the base and configured to supply electric power to the control board, a driving board provided on the inside of the robot arm and configured to drive the driving section based on a signal from the control board, a fan configured to stir gas on the inside of the robot main body section, and a heat sink provided on the inside of the base.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: August 25, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Takema Yamazaki
  • Publication number: 20200206915
    Abstract: In a robot system, a control device includes a power supplier and a main controller; a robot includes a first controller releasing the braking of a first drive portion by a first braker through a supply of a current from the power supplier and a second controller releasing the braking of a second drive portion by the second braker through a supply of a current from the power supplier; the main controller causes the first controller and the second controllers to release the braking by the first braker and the second braker; a power line coupling the power supplier, the first controller, and the second controller to each other is in a daisy chain coupling; and a first release timing at which the first controller releases the braking by the first braker is different from a second release timing at which the second controller releases the braking by the second braker.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 2, 2020
    Inventor: Takema YAMAZAKI
  • Publication number: 20200101627
    Abstract: A robot includes a robot main body section including a base and a robot arm coupled to the base and including a sealed internal space, a driving section provided on the inside of the robot arm and configured to drive the robot arm, a control board provided on the inside of the base, a power supply board provided on the inside of the base and configured to supply electric power to the control board, a driving board provided on the inside of the robot arm and configured to drive the driving section based on a signal from the control board, a fan configured to stir gas on the inside of the robot main body section, and a heat sink provided on the inside of the base.
    Type: Application
    Filed: September 27, 2019
    Publication date: April 2, 2020
    Inventor: Takema YAMAZAKI
  • Patent number: 10411564
    Abstract: A robot includes a driving unit, a flexible board including a power line that transmits electric power to the driving unit, and a choke coil connected to the power line. A band rejection filter is formed by parasitic capacitance, which is formed by the electric line, and the choke coil.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: September 10, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Takema Yamazaki, Izumi Iida, Shigenori Sasai
  • Patent number: 10369691
    Abstract: A robot includes a first arm and a second arm. The first arm and the second arm have different mechanisms from each other.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: August 6, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Takema Yamazaki, Takashi Nagate
  • Publication number: 20190152073
    Abstract: A robot includes an arm, a plurality of motors provided in the arm, and a pipe connected to the arm. Wires passing through the inside of the pipe include a first power line, which is one power line for supplying electric power to a pair or more of the motors among the plurality of motors.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 23, 2019
    Inventors: Takema YAMAZAKI, Ryosuke TERANAKA
  • Publication number: 20190152072
    Abstract: A robot includes a motor and a power supply section configured to supply electric power to the motor. The power supply section includes a first power supply circuit and a second power supply circuit and is located on the inside of the robot.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 23, 2019
    Inventors: Takema YAMAZAKI, Takashi KOJIMA
  • Patent number: 10286563
    Abstract: A robot system includes a plurality of drive parts, a control unit that controls power for driving the drive parts by switching, and a cable that connects the drive parts and the control unit, wherein the cable has a plurality of power lines, a plurality of frame ground lines, and a shield, a first interposition object is provided between the plurality of power lines and the shield, and, in a section of the cable, respective centers of the plurality of frame ground lines are closer to the shield than respective centers of the plurality of power lines.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: May 14, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Takema Yamazaki, Takashi Kojima
  • Publication number: 20190091881
    Abstract: A robot control device that controls a robot including a motor, the robot control device comprising: a power converter that is connected to the motor by a power line and converts supplied power to power to be supplied to the motor; a brake that brakes the motor by short-circuiting the power lines, and an inductance element that is provided on the power line and positioned closer to the power converter side than a connection point between the brake and the power line.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Inventor: Takema YAMAZAKI
  • Publication number: 20190091852
    Abstract: A robot controlled by a robot control apparatus comprising a base having conductivity; an arm provided on the base; an actuator that drives the arm; a connector connected to the robot control apparatus by a first wire having a power line; and a second wire that connects the actuator and the connector, wherein the base has a housing part having an opening portion, to which the connector is fixed, and a lid part covering at least a part of the opening portion, through which the first wire is inserted, the first wire has a shield in contact with the lid part, and the shield is in contact with a part having conductivity of the robot control apparatus.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Inventors: Takema YAMAZAKI, Yuki SAGAWA, Koki YAMAGUCHI
  • Publication number: 20180219461
    Abstract: A robot includes a motor, an amplifier that includes a drive circuit for driving the motor, and a first object that includes at least one of a brake which brakes a driving shaft of the motor, a pulley which transmits a motive power from the driving shaft of the motor, and a computing unit which performs calculation related to rotation of the motor, in which the motor is provided with the amplifier such that the amplifier is positioned at a position other than a position axially above the driving shaft.
    Type: Application
    Filed: February 1, 2018
    Publication date: August 2, 2018
    Inventors: Hidenori HAMA, Seiji HAHAKURA, Yoshiteru NISHIMURA, Takema YAMAZAKI
  • Patent number: 9975240
    Abstract: A robot includes a robot arm, a drive unit that drives the robot arm, a first control unit that controls drive of the drive unit, a plurality of detection units at least one of which is an angular velocity sensor as an inertial sensor, and a wiring unit that series-connects the plurality of detection units and the first control unit.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: May 22, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Takema Yamazaki, Izumi Iida, Munenori Sawada, Daisuke Sato, Isamu Sejimo, Shigenori Sasai