Patents by Inventor Avish Ashok BHARWANI

Avish Ashok BHARWANI 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: 20240120227
    Abstract: A substrate handling apparatus according to one or more embodiments may include: a base, an elevating unit that is connected to the base to freely elevate and lower, an arm that is rotatably connected to the elevating unit, a disk that is provided on the arm, and a hand that is rotatably connected to the arm, wherein in case that the hand is provided on a position to overlap the arm, the disk is provided under the substrate extracted by the hand.
    Type: Application
    Filed: October 6, 2022
    Publication date: April 11, 2024
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Haruhiko TAN, Simon JEYAPALAN, Avish Ashok BHARWANI, Mu-Kai LIN
  • Patent number: 11926039
    Abstract: A robot according to one or more embodiments may include an arm and a hand. The hand is connected to the arm and supports to convey a wafer. The hand includes a base end portion that is an end of the side connected to an arm, and a distal end portion that is an end of the opposite side of the base end portion. With the hand, a lightened part is formed in at least a part of a first region which is a region of a distal end portion than the center part in the longitudinal direction of the hand.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: March 12, 2024
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Haruhiko Tan, Hajime Nakahara, Avish Ashok Bharwani, Ming Zeng
  • Publication number: 20240004368
    Abstract: A robot system includes a robot that includes a motor, a first storage unit that is provided to correspond to the motor and stores identification information of the motor, a second storage unit that is provided separately from the first storage unit and stores the identification information of the motor, and a control unit that detects whether or not the motor attached to the robot is a motor to which the identification information has been assigned in advance, by comparing the identification information of the motor stored in the first storage unit and the identification information of the motor stored in the second storage unit.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 4, 2024
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Haruhiko TAN, Masahiko SUMITOMO, Junichi SUGAHARA, Nobuyasu SHIMOMURA, Avish Ashok BHARWANI
  • Patent number: 11862507
    Abstract: A robot system according to one or more embodiments may include a robot, and a control part. The robot may include one or more joints driven by an electric motor, and can hold a wafer by a holding part. The control part gives commands to the robot for control. When the robot holds and transports the wafer with the holding part, the control part performs, based on information about the electric motor, at least one of the following: determining whether slippage has occurred between the holding part and the wafer; and estimating an amount of slippage of the wafer relative to the holding part.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: January 2, 2024
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC
    Inventors: Masaya Yoshida, Avish Ashok Bharwani, Simon Jeyapalan
  • Publication number: 20230150120
    Abstract: A substrate conveying robot includes an arm, a substrate holding hand, a sensor board to which a sensor is electrically connected, and a control board on which a controller is mounted, the control board including a universal connector connectable to different types of the sensor boards.
    Type: Application
    Filed: November 17, 2021
    Publication date: May 18, 2023
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Haruhiko TAN, Shota TOMINAGA, Avish Ashok BHARWANI, Simon JEYAPALAN
  • Publication number: 20220415690
    Abstract: An aligner system includes a motor, a rotating device, a control device, and a sensor. The motor generates a rotational drive force. The rotating device 11 is rotated by the rotational drive force generated by the motor, while supporting a wafer. The control device controls rotation of the rotating device, and performs a process of setting a rotational phase of the wafer to a predetermined value. The sensor emits a plurality of light beams traveling in different directions toward an edge of the wafer, and receives the light beams to detect a defect in the edge of the wafer.
    Type: Application
    Filed: June 24, 2021
    Publication date: December 29, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Haruhiko TAN, Avish Ashok BHARWANI, George CHIN, Simon Jeyapalan
  • Publication number: 20220399218
    Abstract: A transport system includes a robot, sensors (an aligner sensor, a protrusion detecting sensor) and a controller. The robot having a hand which supports a wafer and transports the wafer to an aligner apparatus. The sensor detects the position of the wafer before the robot delivers the wafer to the aligner apparatus while supporting the wafer on the hand. The controller determines the positional deviation of the wafer based on a detection value of the sensor.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 15, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Haruhiko TAN, Avish Ashok BHARWANI, Simon JEYAPALAN
  • Patent number: 11427412
    Abstract: A robot control unit for a substrate conveying robot raises a hand from a first lower position below a first target position at which the hand picks up a substrate to a first upper position above the first target position, and displaces at least one of a plurality of joints in one direction, in a first interval from the first lower position to a first intermediate position between the first lower position and the first target position.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: August 30, 2022
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Masaya Yoshida, Avish Ashok Bharwani, Ming Zeng, Brandon Lee, Ryan Le
  • Publication number: 20220203555
    Abstract: A robot according to one or more embodiments may include an arm and a hand. The hand is connected to the arm and supports to convey a wafer. The hand includes a base end portion that is an end of the side connected to an arm, and a distal end portion that is an end of the opposite side of the base end portion. With the hand, a lightened part is formed in at least a part of a first region which is a region of a distal end portion than the center part in the longitudinal direction of the hand.
    Type: Application
    Filed: December 25, 2020
    Publication date: June 30, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Haruhiko TAN, Hajime NAKAHARA, Avish Ashok BHARWANI, Ming ZENG
  • Publication number: 20220165607
    Abstract: A robot system according to one or more embodiments may include a robot, and a control part. The robot may include one or more joints driven by an electric motor, and can hold a wafer by a holding part. The control part gives commands to the robot for control. When the robot holds and transports the wafer with the holding part, the control part performs, based on information about the electric motor, at least one of the following: determining whether slippage has occurred between the holding part and the wafer; and estimating an amount of slippage of the wafer relative to the holding part.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 26, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Masaya YOSHIDA, Avish Ashok BHARWANI, Simon JEYAPALAN
  • Patent number: 11335578
    Abstract: A substrate transfer apparatus of the present invention includes: a robot including a hand configured to hold a substrate, and an arm configured to move the hand; a robot control device configured to set a moving path for the hand and control the arm such that the hand moves on the moving path toward a target position; and a camera disposed so as to be able to capture an image of the substrate held by the hand located at a predetermined confirmation position. The robot control device sets the moving path so as to pass through the confirmation position, obtains an image captured by the camera when the hand is located at the confirmation position, calculates a distance between a predetermined environment and the substrate which are taken in the image, and calculates a positional deviation amount from a reference position of the substrate on the basis of the distance.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: May 17, 2022
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Masaya Yoshida, Avish Ashok Bharwani, Ming Zeng, Simon Jeyapalan, Hajime Nakahara
  • Patent number: 11207775
    Abstract: A method of teaching a robot, the robot including a first and second end effector that are mounted to a robotic arm wrist, the first and second end effector being rotatable about a same rotational axis independently of each other. The method includes: a first step of, in a state where rotational positions of the first and second end effectors about the rotational axis coincide with each other, attaching a relative motion preventing device to the first and second end effector, the relative motion preventing device preventing the first and second end effector from moving relative to each other; and a fourth step of generating a teaching point of the second end effector based on: a teaching point of the first end effector; and rotational position information about the first and second end effector that are stored in a storage unit in association with each other in a third step.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 28, 2021
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Takeshi Shibata, Yukimasa Yamada, Takao Yamaguchi, Tomokazu Arita, Eric Chan, Francisco J. Duran, Jr., Hajime Nakahara, Avish Ashok Bharwani, Ming Zeng
  • Publication number: 20210257242
    Abstract: A substrate transfer apparatus of the present invention includes: a robot including a hand configured to hold a substrate, and an arm configured to move the hand; a robot control device configured to set a moving path for the hand and control the arm such that the hand moves on the moving path toward a target position; and a camera disposed so as to be able to capture an image of the substrate held by the hand located at a predetermined confirmation position. The robot control device sets the moving path so as to pass through the confirmation position, obtains an image captured by the camera when the hand is located at the confirmation position, calculates a distance between a predetermined environment and the substrate which are taken in the image, and calculates a positional deviation amount from a reference position of the substrate on the basis of the distance.
    Type: Application
    Filed: February 13, 2020
    Publication date: August 19, 2021
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Masaya YOSHIDA, Avish Ashok BHARWANI, Ming ZENG, Simon JEYAPALAN, Hajime NAKAHARA
  • Publication number: 20200354161
    Abstract: A robot control unit for a substrate conveying robot raises a hand from a first lower position below a first target position at which the hand picks up a substrate to a first upper position above the first target position, and displaces at least one of a plurality of joints in one direction, in a first interval from the first lower position to a first intermediate position between the first lower position and the first target position.
    Type: Application
    Filed: May 9, 2019
    Publication date: November 12, 2020
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Masaya YOSHIDA, Avish Ashok BHARWANI, Ming ZENG, Brandon LEE, Ryan LE
  • Patent number: 10636693
    Abstract: Throughput is improved in a substrate transfer device including a substrate transport robot having a substrate holding hand, and an aligner. A method of controlling a substrate transfer device includes moving a substrate holding hand holding a substrate to a predetermined ready position defined around an aligner, moving the substrate holding hand to a predetermined placement position defined by the aligner to transfer the substrate to a turntable of the aligner, causing the aligner to align the substrate while causing the substrate holding hand to wait at a predetermined waiting position defined at a position closer to the placement position than the ready position is, moving the substrate holding hand to the placement position to transfer the substrate from the aligner to the substrate holding hand, and moving the substrate holding hand holding the substrate to the ready position.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: April 28, 2020
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Tetsuya Yoshida, Avish Ashok Bharwani, Ming Zeng
  • Publication number: 20200083086
    Abstract: Throughput is improved in a substrate transfer device including a substrate transport robot having a substrate holding hand, and an aligner. A method of controlling a substrate transfer device includes moving a substrate holding hand holding a substrate to a predetermined ready position defined around an aligner, moving the substrate holding hand to a predetermined placement position defined by the aligner to transfer the substrate to a turntable of the aligner, causing the aligner to align the substrate while causing the substrate holding hand to wait at a predetermined waiting position defined at a position closer to the placement position than the ready position is, moving the substrate holding hand to the placement position to transfer the substrate from the aligner to the substrate holding hand, and moving the substrate holding hand holding the substrate to the ready position.
    Type: Application
    Filed: September 11, 2018
    Publication date: March 12, 2020
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Tetsuya YOSHIDA, Avish Ashok BHARWANI, Ming ZENG
  • Publication number: 20190389059
    Abstract: A method of teaching a robot, the robot including a first and second end effector that are mounted to a robotic arm wrist, the first and second end effector being rotatable about a same rotational axis independently of each other. The method includes: a first step of, in a state where rotational positions of the first and second end effectors about the rotational axis coincide with each other, attaching a relative motion preventing device to the first and second end effector, the relative motion preventing device preventing the first and second end effector from moving relative to each other; and a fourth step of generating a teaching point of the second end effector based on: a teaching point of the first end effector; and rotational position information about the first and second end effector that are stored in a storage unit in association with each other in a third step.
    Type: Application
    Filed: December 13, 2017
    Publication date: December 26, 2019
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Takeshi SHIBATA, Yukimasa YAMADA, Takao YAMAGUCHI, Tomokazu ARITA, Eric CHAN, Francisco J. DURAN, Jr., Hajime NAKAHARA, Avish Ashok BHARWANI, Ming ZENG
  • Patent number: 10391640
    Abstract: A wrist joint structure in which a direct drive motor is used is provided in a robot in which two hands are mounted on one robot arm. The robot includes: a robot arm; a plurality of stages of hands including a first hand and a second hand that are provided at a tip of the robot arm; a first direct drive motor in which a rotation axis is defined at the tip of the robot arm, the first direct drive motor coupling the first hand to the tip of the robot arm such that the first hand is rotatable about the rotation axis; and a second direct drive motor that couples the second hand to the first hand such that the second hand is rotatable about the rotation axis.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: August 27, 2019
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Tetsuya Yoshida, Avish Ashok Bharwani
  • Publication number: 20190077013
    Abstract: A robot diagnosing method includes: preparing: (1) a line sensor including a light emitter configured to emit a light ray, a light receiver configured to receive the light ray emitted from the light emitter, and a detecting portion configured to detect a position of the detected portion based on a light receiving state of the light receiver, the detected portion being inserted between the light emitter and the light receiver, and (2) a robot including a robot arm and a detected portion configured to move integrally with a wrist portion of the robot arm; detecting the position of the detected portion by the line sensor while linearly moving the wrist portion based on a command value from the robot control portion such that the wrist portion intersects with the light ray; and diagnosing a linearly moving property of the wrist portion based on the position of the detected portion.
    Type: Application
    Filed: September 8, 2017
    Publication date: March 14, 2019
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Tetsuya YOSHIDA, Avish Ashok BHARWANI, Hajime NAKAHARA, Tomokazu ARITA
  • Patent number: 10020216
    Abstract: A robot diagnosing method of detecting a deviation amount caused by a lost motion includes: a first step of preparing a robot and a line sensor, the robot including a robot arm including one or a plurality of joint portions including a first joint portion, the line sensor including a detecting portion configured to detect a position of a detected portion based on a light receiving state of a light receiver, the detected portion being inserted between a light emitter and the light receiver; and a sixth step of detecting the deviation amount caused by the lost motion at the first joint portion based on (i) the position of the detected portion based on the position of the detected portion detected in a third step and a command value from a robot control portion in a fourth step and (ii) the position of the detected portion detected in a fifth step.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 10, 2018
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Kazuo Fujimori, Avish Ashok Bharwani, Hajime Nakahara, Ming Zeng, Tomokazu Arita