ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,461, issued on Sept. 9, was assigned to Creative Technology Corp. (Kanagawa, Japan).

"Dust collector and dust collection method" was invented by Takaaki Hasegawa (Kawasaki Kanagawa, Japan) and Hiroyuki Moriyama (Kawasaki Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provides a dust collector capable of being installed even in small spaces and capable of collecting dust efficiently. A dust collector 1 includes a first electrode layer 12 formed of a conductor, a second electrode layer 14 formed of a conductor, having sufficient size to cover the first electrode layer 12 in planar view, having lacking parts (through holes 14H, slits 1...