Patents by Inventor Ryutaro Umezawa

Ryutaro Umezawa 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).

  • Toy for battle driving
    Patent number: D676499
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: February 19, 2013
    Assignee: Tomy Company, Ltd.
    Inventor: Ryutaro Umezawa
  • Toy for battle driving
    Patent number: D676500
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: February 19, 2013
    Assignee: Tomy Company, Ltd.
    Inventor: Ryutaro Umezawa
  • Toy for battle driving
    Patent number: D676501
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: February 19, 2013
    Assignee: Tomy Company, Ltd.
    Inventor: Ryutaro Umezawa
  • Toy for battle driving
    Patent number: D676502
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: February 19, 2013
    Assignee: Tomy Company, Ltd.
    Inventor: Ryutaro Umezawa
  • Toy for battle driving
    Patent number: D676503
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: February 19, 2013
    Assignee: Tomy Company, Ltd.
    Inventor: Ryutaro Umezawa