ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,941, issued on Feb. 3, was assigned to SHIMANO INC. (Sakai, Japan).
"Bicycle derailleur" was invented by Tadashi Ichida (Sakai, Japan), Toshio Tetsuka (Sakai, Japan), Hiroshi Matsumoto (Sakai, Japan) and Naoshi Fujita (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle derailleur includes a base member, a movable member, a linkage structure, a wireless communicator, an electrical connector receiving portion, and a power supply portion. The movable member is movable with respect to the base member. The linkage structure is connected with the base member and the movable member. The wireless communicator is disposed at at least one of...