ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,903, issued on May 19, was assigned to TANAKA PRECIOUS METAL TECHNOLOGIES Co. Ltd. (Tokyo).

"Electrically-conductive material having excellent wear resistance and heat resistance" was invented by Terumasa Tsuruta (Tomioka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrically-conductive material containing Ag in an amount of 10 mass % or more and 70 mass % or less, Pd in an amount of 30 mass % or more and 90 mass % or less, Ni in an amount of more than 5 mass % and 45 mass % or less, and inevitable impurities. A ratio of a Ni content (mass %) to a Ag content (mass %) (Ni (mass %)/Ag (mass %)) is 0.1 or more and 5.0 or less, metal struc...