ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,496, issued on June 17, was assigned to Sharp K.K. (Sakai, Japan).

"Method and electronic device for signaling gradual decoding refresh pictures" was invented by Takeshi Chujoh (Sakai, Japan), Yukinobu Yasugi (Sakai, Japan), Eiichi Sasaki (Sakai, Japan), Tomoko Aono (Sakai, Japan) and Tomohiro Ikai (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for signaling gradual refresh for encoding a set of pictures performed by an electronic device is provided. The method identifies a first picture in the set of pictures as being associated with a gradual refreshed picture, and stores a network abstraction layer (NAL) unit type in a code...