Patents by Inventor Sadamu Utsunomiya

Sadamu Utsunomiya 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).

  • Inner pot for electric rice cooker
    Patent number: D646925
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: October 18, 2011
    Assignee: Zojirushi Corporation
    Inventors: Tadashi Okajima, Sadamu Utsunomiya, Yoichi Sakaguchi, Yuzuru Goto, Takumi Kura, Takuma Tokuoka