US Patent Issued to FURUKAWA ELECTRIC on Sept. 22 for "Welding method and welding apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,337, issued on Sept. 22, was assigned to FURUKAWA ELECTRIC Co. LTD. (Tokyo).

"Welding method and welding apparatus" was invented by Tomomichi Yasuoka (Tokyo), Takashi Kayahara (Tokyo), Toshiaki Sakai (Tokyo), Ryosuke Nishii (Tokyo) and Takashi Shigematsu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A welding method includes: arranging a workpiece containing copper in a region to be irradiated with laser light; and irradiating the workpiece with the laser light to melt and weld an irradiated portion of the workpiece. Further, the laser light is formed of a main beam and a plurality of sub beams, and a ratio of power of the main beam to tota...