ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,370, issued on May 26, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan) and PANASONIC HOLDINGS Corp. (Kadoma, Japan).

"Positive electrode material and battery" was invented by Toru Sugiyama (Nagakute, Japan), Shinya Shiotani (Nagoya, Japan), Takeshi Usami (Toukai, Japan), Akinobu Miyazaki (Kadoma, Japan), Izuru Sasaki (Kadoma, Japan) and Norihito Fujinoki (Kadoma, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a positive electrode material having inhibited increase in heat release when exposed to high temperature. The positive electrode material of the disclosure comprises a positive electrode active material, a first solid elec...