ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,153, issued on May 20, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Ion chromatograph" was invented by Masanori Fujiwara (Kyoto, Japan) and Katsumasa Sakamoto (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an ion chromatograph, a sample that is included in an eluent and is to be measured is separated into ion species components by a separation column. An electrode liquid to be introduced into an input port is branched by a three-way valve and is discharged from each of a first output port and a second output port. An eluent from the separation column passes through an eluent flow path of an ion suppressor. An electrode liquid fro...