ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,483, issued on Oct. 7, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).

"Heat-generating plate" was invented by Hirotoshi Suetsugu (Tokyo-to, Japan), Manabu Hirakawa (Tokyo-to, Japan), Satoshi Goishihara (Tokyo-to, Japan), Hidenori Nakamura (Tokyo-to, Japan), Kazuo Matsufuji (Tokyo-to, Japan) and Koichi Kinoshita (Tokyo-to, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat-generating plate that generates heat when a voltage is applied, including a pair of glasses, a pair of bus bars to which the voltage is applied, and a heat-generating conductor that can couple between the pair of bus bars. The heat-generating conductor includes a plu...