ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,720, issued on April 22, was assigned to Vehicle Energy Japan Inc. (Hitachinaka, Japan).
"Bus bar, and battery module using same" was invented by Nobuyoshi Tanaka (Hitachinaka, Japan), Kazuaki Urano (Hitachinaka, Japan) and Tatsuhiko Kawasaki (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a busbar capable of keeping a joint strength high at a joint between dissimilar metals. The busbar (2) joins terminals of a plurality of battery cells, the terminals each including a dissimilar metal. The busbar includes: a copper portion (2e) to be connected to a first terminal (1n) of a first battery; an aluminum portion (2f) to be ...