Patents by Inventor Kazuto HIRAOKA

Kazuto HIRAOKA 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: 20160153529
    Abstract: A load-applying device is provided that includes a spiral spring that is formed from a thin strip that is wound multiple times in a spiral shape; a movable body; and a fixing member. The spiral spring is disposed between the movable body and the fixing member, in a manner capable of performing a diameter reduction operation and a diameter expansion operation, and an outer-circumference part of the spiral spring contacting the movable body and the fixing member directly, or indirectly.
    Type: Application
    Filed: February 6, 2014
    Publication date: June 2, 2016
    Inventors: Takao KOBAYASHI, Takahiro ITO, Yoshiyuki TAKAHASHI, Kazuto HIRAOKA