ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,357, issued on Dec. 16, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Amino acid analysis method" was invented by Natsuki Iwata (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for analyzing amino acids by liquid chromatography, in which a sample containing a plurality of kinds of amino acids is derivatized with a derivatization reagent, and the obtained derivatized sample is circulated on a column together with a mobile phase. Two or more kinds of derivatized samples are prepared using two or more kinds of derivatization reagents. Different analytical conditions in which mixing ratio of the plurality of the mobile phases is c...