ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,734, issued on Dec. 23, was assigned to Seiko Epson Corp. (Tokyo).

"Cellulose saccharification method" was invented by Yoshiki Nakashima (Nagano, Japan), Hideki Tanaka (Nagano, Japan), Yoko Nakai (Nagano, Japan) and Sayaka Yamasaki (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cellulose saccharification method including an introduction step of introducing water, a raw material containing cellulose, and a surfactant into a saccharification vessel so as to obtain a liquid mixture, an agitation step of agitating the liquid mixture due to rotation of an impeller portion, and a detection step of detecting a torque sensed by the impeller...