ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,947, issued on Nov. 18, was assigned to NIPPON THOMPSON Co. LTD. (Tokyo).

"Linear motion guide unit" was invented by Toshimichi Tanaka (Mino, Japan), Tamotsu Iwata (Mino, Japan), Kazuki Yamada (Mino, Japan), Yasuhiro Otsuji (Mino, Japan) and Shunya Yamazaki (Mino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a linear motion guide unit, a raceway groove formed in a casing of a slider includes a first raceway surface extending along the length direction of the slider and a second raceway surface facing the first raceway surface and extending along the length direction of the slider. The second raceway surface includes a first portion includ...