ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,497, issued on Dec. 2, was assigned to KOBE STEEL LTD. (Hyogo, Japan).
"Arc-tracking welding method and welding device" was invented by Yoshiharu Nishida (Kobe, Japan), Tsutomu One (Kobe, Japan) and Tatsuya Fujii (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an arc-tracking welding method and a welding device of the present invention, a deviation amount between a weaving center and a welding line is obtained based on a first relationship and a second relationship. The first relationship is a relationship between a weaving position and any one element of three electrical first to third elements related to Ohm's law, the relationship b...