Patents by Inventor Hiroyuki Hoshikugi

Hiroyuki Hoshikugi 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).

  • Rotary damper
    Patent number: D741338
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: October 20, 2015
    Assignee: SUGATSUNE KOGYO CO., LTD.
    Inventor: Hiroyuki Hoshikugi