ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,117, issued on April 7, was assigned to ARKRAY Inc. (Kyoto, Japan).
"Quality control substance for use in the analysis of erythrocytes" was invented by Kazuko Okumura (Kyoto, Japan), Atsushi Nakao (Kyoto, Japan) and Kazuki Kudo (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a quality control substance for use in the analysis of erythrocytes, which can be prepared safely with easily available raw materials, which has an excellent preservation stability, and which can be used in the analysis of sediments in a sample. This quality control substance includes artificial particles whose form as observed with a...