ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,439, issued on Sept. 8, was assigned to CYBERDYNE Inc. (Tsukuba, Japan).

"Hand-motion monitoring apparatus and hand-motion monitoring method" was invented by Yoshiyuki Sankai (Tsukuba, Japan) and Taichi Obinata (Tsukuba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Included are a behavior recognition unit that recognizes from the transition state of the posture of a subject person a hand-motion behavior that is a linkage of a plurality of local actions based on pieces of three-dimensional skeleton information sequentially obtained by a skeleton information acquisition unit, a behavior checking unit that checks the hand-motion behavior recogn...