ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,874, issued on May 27, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Solid electrolyte and battery using same" was invented by Norihito Fujinoki (Osaka, Japan), Masashi Sakaida (Hyogo, Japan), Kenta Nagamine (Osaka, Japan), Akihiro Sakai (Nara, Japan) and Akinobu Miyazaki (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid electrolyte consists essentially of Li, M, and X. M includes at least one element selected from the group consisting of Gd, Tb, and Sm. X is at least one element selected from the group consisting of Cl, Br, and I."

The patent was filed on May 25, 2021, under Application No....