ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,546, issued on July 7, was assigned to OKAMURA Corp. (Yokohama, Japan) and Kubota Corp. (Osaka, Japan).

"Transmission unit and power system" was invented by Jirou Arakawa (Yokohama, Japan) and Koichi Funaki (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A clutch unit (20) includes a coupling element (23) configured to, in a power transmission enabled manner, couple an output shaft (13) of an engine (10) and an input shaft (16) of a hydraulic pump (15) driven by driving force of the engine (10), and a motor generator (18) configured to generate driving force separately from the engine (10), in which the motor generator (18) is disposed t...