ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,890, issued on May 20, was assigned to TOPPAN Inc. (Tokyo).
"Method of introducing liquid into wells" was invented by Yoichi Makino (Taito-ku, Japan) and Yosuke Horiuchi (Taito-ku, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of replacing liquids including introducing a second liquid into a fluidic device which includes a substrate having wells formed on a surface thereof, the wells including openings which accommodate a first liquid including a surfactant and are sealed with a first sealing solution applied on the surface of the substrate, where the introducing includes supplying the second liquid to the surface such that the first...