ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,338, issued on July 8, was assigned to KOMATSU LTD. (Tokyo).
"Multi-speed transmission" was invented by Taku Matsuo (Tokyo), Nobuhito Yasuta (Tokyo), Masaki Shiohara (Tokyo) and Michihiro Aida (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-speed transmission includes: an input member; an output member; first to fourth planetary gear sets arranged in order in an axial direction from the input member toward the output member and each including a sun gear, a planetary carrier and a ring gear; first to third clutches; and first to third brakes. Each of the first to third clutches and the first to third brakes is operatively coupled to at l...