ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,423, issued on Sept. 23, was assigned to Sintokogio Ltd. (Aichi, Japan).
"Fusion welding device and fusion welding device control method" was invented by Yoshikane Tanaami (Nagoya, Japan) and Miyuki Hayashi (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fusion welding device includes: a robot arm; a fusion welding hand attached to the robot arm and including a fusion welding head for fusing and joining together workpieces while being separated from the workpieces; a support provided to the fusion welding hand abutting on the workpieces; a force sensor for detecting a force and a moment exerted, through the support, by the workpiece...