Patents by Inventor Yoshitaka NISHIZAKA

Yoshitaka NISHIZAKA 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).

  • Patent number: 9346630
    Abstract: A robot system includes a first conveyor, a second conveyor, a robot, and a controller. The first conveyor conveys a plurality of kinds of workpieces. The second conveyor conveys workpiece groups each including a combination of the workpieces. The controller controls the robot, and includes a situation acquirer, a determiner, and an instructor. The situation acquirer acquires a situation in a predetermined monitor area on the first and second conveyors. The monitor area is set based on a movable range of the robot. Based on the situation, the determiner determines whether one of the workpieces on the first conveyor in the monitor area is a missing workpiece of one of the workpiece groups in the monitor area. The instructor instructs the robot to hold the one workpiece and to transfer the one workpiece from the first conveyor to the second conveyor.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 24, 2016
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yoshitaka Nishizaka, Ken Nakamura, Tomoki Kawano, Yutaro Uchida
  • Publication number: 20160083199
    Abstract: A robot system includes a conveyor, a robot, and a controller. The conveyor is configured to convey a workpiece. The robot includes a plurality of holders configured to hold the workpiece. The controller is configured to control the robot to hold the workpiece conveyed on the conveyor and transfer the workpiece to a predetermined place using at least one holder among the plurality of holders. The controller includes a divided area setter and an allocator. The divided area setter is configured to set a plurality of divided areas on the conveyor in a width direction of the conveyor, and is configured to store the plurality of divided areas in a storage. The allocator is configured to allocate the plurality of holders respectively to the plurality of divided areas so as to hold the workpiece when the workpiece is conveyed in the plurality of divided areas.
    Type: Application
    Filed: September 17, 2015
    Publication date: March 24, 2016
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yoshitaka NISHIZAKA, Ken NAKAMURA, Tomoki KAWANO, Yutaro UCHIDA
  • Publication number: 20160083198
    Abstract: A robot system includes a first conveyor, a second conveyor, a robot, and a controller. The first conveyor conveys a plurality of kinds of workpieces. The second conveyor conveys workpiece groups each including a combination of the workpieces. The controller controls the robot, and includes a situation acquirer, a determiner, and an instructor. The situation acquirer acquires a situation in a predetermined monitor area on the first and second conveyors. The monitor area is set based on a movable range of the robot. Based on the situation, the determiner determines whether one of the workpieces on the first conveyor in the monitor area is a missing workpiece of one of the workpiece groups in the monitor area. The instructor instructs the robot to hold the one workpiece and to transfer the one workpiece from the first conveyor to the second conveyor.
    Type: Application
    Filed: September 17, 2015
    Publication date: March 24, 2016
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yoshitaka NISHIZAKA, Ken NAKAMURA, Tomoki KAWANO, Yutaro UCHIDA