Patents by Inventor Ryuichi Oya

Ryuichi Oya 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).

  • Bumper for motor vehicle
    Patent number: D614548
    Type: Grant
    Filed: October 7, 2009
    Date of Patent: April 27, 2010
    Assignee: Mazda Motor Corporation
    Inventors: Ryuichi Oya, Dai Kimura, Tadao Hoshino, Yuji Ishimoto