ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,763, issued on March 18, was assigned to CITIZEN WATCH Co. LTD. (Nishitokyo, Japan) and CITIZEN MACHINERY Co. LTD. (Nagano, Japan).
"Machine tool and machining method" was invented by Toshiyuki Suzuki (Kawagoe, Japan) and Haruhiko Misono (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A machine tool includes: a joint portion processing control for controlling the processing of the joint portion in a joined workpiece such that a first workpiece is gripped by a grip section, and a predetermined region extending from a joint portion of a joined workpiece toward a second workpiece is processed over a range of not less than a predetermined...