ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,182, issued on Nov. 4, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).

"Resin film manufacturing device and resin film manufacturing method" was invented by Ryuichiro Maenishi (Tokyo), Nobuhiro Haramoto (Tokyo) and Fumitake Fujii (Ube, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a resin film manufacturing device according to an embodiment, a current state and a reward for a previously selected action are determined for each heat bolt based on a control error calculated from a thickness distribution of a resin film acquired from a thickness sensor. Then, control conditions, which are a combination of states and actions, are updated bas...