ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,601, issued on Dec. 30, 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 including: a casing; a rotor having a rotation shaft, a first rotor portion positioned on a charging port side, a second rotor portion positioned on a discharge port side, and a partition wall, and disposed on an inside of the casing; and a liner disposed on an inner surface of the casing along an outer periphery of the rotor, in which the first rotor portion has a plurality of first blades radially installed...