ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,984, issued on Nov. 25, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Centrifugal field flow fractionation device" was invented by Kengo Aoki (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A centrifugal field-flow fractionation device is provided with a controller for controlling introduction of a liquid sample by a sample introduction part and rotation of the rotor by a motor. The controller rotates the rotor at a first rotational speed when introducing the liquid sample into a flow path. The first rotational speed is faster than a second rotational speed. Therefore, when a liquid sample is introduced into the flow path, high centri...