Patents by Inventor Hitoshi Ryuzaki

Hitoshi Ryuzaki 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).

  • Agitating rotor
    Patent number: D719197
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: December 9, 2014
    Inventors: Kazuo Tsuchiya, Hitoshi Ryuzaki