Patents by Inventor Jun Iwakura

Jun Iwakura 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: 10647044
    Abstract: An injection molding machine, which includes a safety door that can be opened and closed, is further equipped with a servo motor configured to open and close the safety door, a presence detector configured to detect whether or not an operator or object is present within a door operating space of the safety door or within a predetermined vicinal area of the safety door including the door operating space, and a controller configured to control the servo motor with a reference control amount in order to perform a closing operation of the safety door, and during a time it is detected by the presence detector that an operator or object is present, to cause a control amount that controls the servo motor in order to perform the closing operation of the safety door to decrease from the reference control amount.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: May 12, 2020
    Assignee: FANUC CORPORATION
    Inventors: Jun Iwakura, Junpei Maruyama, Tatsuhiro Uchiyama
  • Publication number: 20170334116
    Abstract: An injection molding machine, which includes a safety door that can be opened and closed, is further equipped with a servo motor configured to open and close the safety door, a presence detector configured to detect whether or not an operator or object is present within a door operating space of the safety door or within a predetermined vicinal area of the safety door including the door operating space, and a controller configured to control the servo motor with a reference control amount in order to perform a closing operation of the safety door, and during a time it is detected by the presence detector that an operator or object is present, to cause a control amount that controls the servo motor in order to perform the closing operation of the safety door to decrease from the reference control amount.
    Type: Application
    Filed: May 10, 2017
    Publication date: November 23, 2017
    Applicant: FANUC CORPORATION
    Inventors: Jun Iwakura, Junpei Maruyama, Tatsuhiro Uchiyama