ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,504, issued on Dec. 30, was assigned to AESC Japan Ltd. (Zama, Japan).
"Lithium ion battery" was invented by Kenji Watanabe (Sagamihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a lithium ion battery comprising terminals and more than one power generation element, each having current collectors. Each negative electrode current collector having an uncoated portion including an angled portion, wherein an end portion thereof and an end portion on an inner side of a negative electrode terminal are joined with each other in a negative electrode joint portion by welding. The end portion on the uncoated portion of a negative electr...