ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,715, issued on Oct. 14, was assigned to KOKUSAI KEISOKUKI K.K. (Tama, Japan).
"Oscillation device with counter balancer" was invented by Sigeru Matsumoto (Tokyo), Hiroshi Miyashita (Tokyo) and Kazuhiro Murauchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oscillating device includes a vibrating table to which an oscillated object is to be attached, and an oscillating unit that oscillates the vibrating table in a predetermined direction. The vibrating table includes a hollow part in which the oscillated object is accommodated, a bottom plate, a frame part that protrudes perpendicularly from an edge portion of the bottom plate, and an inte...