ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,377, issued on April 22, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).
"Copper alloy and method for producing same" was invented by Yumiko Kasuya (Handa, Japan) and Koki Chiba (Handa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a copper alloy composed of Ni: 5 to 25% by weight, Sn: 5 to 10% by weight, at least one element M selected from the group consisting of Zr, Ti, Fe, and Si: 0.01 to 0.30% by weight in total, at least one element A selected from the group consisting of Mn, Zn, Mg, Ca, Al, and P: 0.01 to 1.00% by weight in total, the balance being Cu and inevitable impurities. Ni-based intermetallic compound grai...