ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,420, issued on April 21, was assigned to PRIME PLANET ENERGY & SOLUTIONS INC. (Tokyo).

"Terminal component, secondary battery, and method for producing the terminal component" was invented by Takahiro Sakurai (Nagoya, Japan) and Kota Ohata (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A terminal component disclosed herein includes a first metal and a second metal stacked on the first metal. On the first metal, nickel is plated at least on a boundary surface with the second metal. A joining portion joined by diffusion of the metals is formed in a portion of a boundary between the first metal and the second metal."

The patent was fil...