ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,057, issued on Nov. 4, was assigned to IHI INFRASTRUCTURE SYSTEMS Co. LTD. (Sakai, Japan) and IHI Corp. (Tokyo).

"Repairing laser welding method and repairing laser welding device" was invented by Naoyuki Matsumoto (Tokyo), Yoshihiko Nakamura (Sakai, Japan), Shinya Osawa (Sakai, Japan), Koutarou Inose (Tokyo), Junko Yamada (Tokyo), Daiki Okita (Tokyo) and Akira Katou (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Irradiation with a laser beam is performed along a welding bead, while the laser beam is aimed, as an irradiation point of the laser beam, at a contact point between a deck plate and a U-rib that is contained in a non-welded portion o...