ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,372, issued on May 19, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan) and NGK KILNTECH Corp. (Nagoya, Japan).
"Conveyor" was invented by Minoru Yamaguchi (Nagoya, Japan), Yoshimitsu Asano (Nagoya, Japan), Takanori Isono (Nagoya, Japan) and Tomoaki Oyama (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A conveyor may include: a first conveyor roller device; a second conveyor roller device disposed downstream of the first conveyor roller device; and a stopper disposed downstream of the first conveyor roller device and upstream of the second conveyor roller device and configured to prohibit a movement of the objects in the conveyance d...