ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,196, issued on April 29, was assigned to Shimano Inc. (Osaka, Japan).
"Rear derailleur" was invented by Satoshi Shahana (Osaka, Japan) and Sota Yamaguchi (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle rear derailleur is configured to be mounted to a bracket device formed separately from the bicycle rear derailleur. The bicycle rear derailleur includes a base element, a movable element, a linkage mechanism, and a chain guide. The base element includes a first base end and a second base end. The movable element is movably arranged relative to the base element. The linkage mechanism connects the movable element to the base elemen...