ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,715, issued on Oct. 20, was assigned to SEIKO EPSON Corp. (Japan).

"Robot and robot system" was invented by Shogo Kumashiro (Azumino, Japan), Shunsuke Toshimitsu (Azumino, Japan) and Daisuke Komatsu (Suwa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot including a base, a first arm, a second arm rotatably connected to the first arm, a shaft on which an end effector is mounted, an inertia sensor that is installed in the second arm, a motor unit installed in the second arm and configured to drive the shaft, and a duct connected to the base and to the second arm, wherein the second arm includes a first member having a first connection sec...