US Patent Issued to Hitachi Astemo on Sept. 30 for "Welding method and electrical device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,597, issued on Sept. 30, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Welding method and electrical device" was invented by Takahiro Mori (Ibaraki, Japan), Shin Onose (Ibaraki, Japan), Kenichi Nakayama (Ibaraki, Japan), Yuta Chiba (Ibaraki, Japan) and Masaaki Suzuki (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to suppress blow holes in welding using tough pitch copper.A welding method includes a first step of heating at least a portion of a first conductor and a second conductor containing copper, and a second step of adding a filler metal containing phosphorus while melting the ...