ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,749, issued on Oct. 27, was assigned to FANUC Corp. (Yamanashi, Japan).

"Laser welding method for workpiece" was invented by Takashi Izumi (Minamitsuru-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a method for laser welding of workpieces W1 and W2, a laser beam is generated and a workpiece W1 is irradiated. An irradiation point of the laser beam is swung within a predetermined heating area on the workpiece W1 encompassing a welding location where laser welding is to be executed, heating the mating surface area of the workpieces W1 and W2 corresponding to the heating area to a temperature higher than or equal to the boiling point of t...