ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,995, issued on March 17, was assigned to CYBERDYNE Inc. (Tsukuba, Japan).
"Wearable motion assistance device" was invented by Hiromasa Hara (Tsukuba, Japan), Masahiro Takama (Tsukuba, Japan) and Hiroki Watari (Tsukuba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a state where a drive unit is located on a lateral side of a joint(s) of a wearer wearing clothes and a communication unit and a frame unit are fixed and retained corresponding to the wearer's first and second body sites, respectively, a driving torque of an actuator according to movements of the wearer's joint is transmitted as an assist force to the first and second body sites...