US Patent Issued to PROTERIAL on May 20 for "Copper alloy wire, plated wire, electric wire and cable using these" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,136, issued on May 20, was assigned to PROTERIAL LTD. (Tokyo).

"Copper alloy wire, plated wire, electric wire and cable using these" was invented by Hiromitsu Kuroda (Tokyo), Takashi Hayasaka (Tokyo), Detian Huang (Tokyo), Ryohei Okada (Tokyo) and Tamotsu Sakurai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A copper alloy wire is composed of a copper alloy including indium of 0.3 mass % or more and 0.65 mass % or less, and has 0.2% proof stress of 300 MPa or more, electrical conductivity of 80% IACS or more, and elongation of 7% or more."

The patent was filed on Dec. 28, 2021, under Application No. 17/563,511.

*For further information, in...