ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,679, issued on Jan. 27, was assigned to Seiko Epson Corp. (Tokyo).
"Refining device" was invented by Hideki Kojima (Nagano, Japan) and Sotaro Oana (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a refining device in which a first rotor portion has a plurality of first blades radially installed around a rotation shaft, a second rotor portion has a plurality of second blades radially installed around the rotation shaft, in a state where a rotor is rotating, a raw material charged from a charging port is refined when sequentially passing between a liner and an end portion on an outer peripheral side of the first blade an...