Patents by Inventor Shinichiro Tsukahara

Shinichiro Tsukahara 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: 10924038
    Abstract: A capacitive actuator motor according to an embodiment of the present invention includes a capacitive actuator having six actuator units and a motor output cam having a periodic shape portion. Each of the six actuator units includes a buckling displacement expansion mechanism configured to convert an output of a piezoelectric element and urge an output joint in a predetermined output direction and a preload adjustment spring configured to urge an output joint with a certain characteristic in a direction in which the periodic shape portion and the output joint come into contact with each other.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: February 16, 2021
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventor: Shinichiro Tsukahara
  • Publication number: 20180006585
    Abstract: A capacitive actuator motor according to an embodiment of the present invention includes a capacitive actuator having six actuator units and a motor output cam having a periodic shape portion. Each of the six actuator units includes a buckling displacement expansion mechanism configured to convert an output of a piezoelectric element and urge an output joint in a predetermined output direction and a preload adjustment spring configured to urge an output joint with a certain characteristic in a direction in which the periodic shape portion and the output joint come into contact with each other.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 4, 2018
    Inventor: Shinichiro Tsukahara