ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,150, issued on May 27, was assigned to DAIDO KOGYO Co. LTD. (Ishikawa, Japan).
"Planetary gear device" was invented by Kohei Hayashi (Ishikawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A planetary gear device (1) includes a sun gear (5), a carrier (6), a plurality of planetary units (7) provided on the carrier (6), and a ring gear (9). Each of the planetary units (7) includes a first planetary gear (71) meshing with the sun gear (5), a second planetary gear (72) meshing with the ring gear (9), a first rotating body (73) disposed coaxially with the first planetary gear (71), a second rotating body (74) disposed coaxially with the second p...