ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,953, issued on Dec. 2, was assigned to Oiles Corp. (Fujisawa, Japan).

"Rack guide" was invented by Ryouji Yoshikawa (Fujisawa, Japan) and Tomoki Watanabe (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a rack guide which achieves both a stable feed of a lubricant from a rack bar to a lubricant retaining groove and a stable supply of the lubricant from the lubricant retaining groove to the rack bar when the rack bar slides against the rack guide. At least one pair of lubricant retaining grooves configured to retain a lubricant interposed between a rack bar and a supporting surface and face each other in a rack guide longitu...