ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,555, issued on March 25, was assigned to Korea University Research and Business Foundation (Seoul, South Korea).

"Porous membrane for single particle analysis" was invented by Hong Gu Chun (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a porous membrane including a plurality of through-type pores, and when the porous membrane is used, a particle to be analyzed and a reactive particle may be reacted one-to-one, thereby increasing the efficiency and accuracy of particle analysis."

The patent was filed on Dec. 17, 2019, under Application No. 17/414,011.

*For further information, including images, ...