ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,283, issued on May 13, was assigned to Hitachi High-Tech Corp. (Tokyo).
"Liquid chromatograph analyzer and method of controlling the same" was invented by Daisuke Akieda (Tokyo), Makoto Nogami (Tokyo) and Shinya Ito (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Tests of channels of a system as a whole can be easily performed without adding a complicated mechanism. A liquid feeding part includes a liquid feeding channel to feed a mobile phase, a drainage channel to release pressure in the liquid feeding channel, an analysis channel that discharges the mobile phase into the sample introduction part, and a channel switching valve that selective...