ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,473, issued on Jan. 28, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Arc welding control method and arc welding device" was invented by Takahiro Noguchi (Osaka, Japan), Akira Nakagawa (Osaka, Japan) and Junji Fujiwara (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An arc welding control method is for performing control in an arc period. The control includes: (i) increasing a welding current to a first current value at a first gradient and maintaining the welding current at the first current value for a first period; (ii) reducing the welding current from the first current value to a second curren...