ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,857, issued on Feb. 10, was assigned to FURUKAWA ELECTRIC Co. LTD. (Tokyo).
"Welding method and welding apparatus" was invented by Ryosuke Nishii (Tokyo), Takashi Kayahara (Tokyo), Toshiaki Sakai (Tokyo), Tomomichi Yasuoka (Tokyo) and Takashi Shigematsu (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A welding method includes: forming a workpiece by stacking plated sheet members having a plating layer formed on a surface of a base material; disposing the workpiece in an area to be irradiated with laser light; irradiating a surface of the workpiece with a plurality of beams by dispersing positions such that centers of the beams do not overlap w...