ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,245, issued on April 7, was assigned to OSONG MEDICAL INNOVATION FOUNDATION (Cheongju-si, South Korea).

"Ultra-compact lens system for fluorescence imaging" was invented by Hyeon Jin Bang (Cheongju-si, South Korea), Seung Rag Lee (Sejong, South Korea), Byung Jun Park (Sejong, South Korea), Ki Ri Lee (Sejong, South Korea) and Eung Jang Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultra-compact lens system for fluorescence imaging includes a first lens, a second lens and third lens. The first lens has a Meniscus shape including first and second surfaces facing each other. The first surface is concave, and each of the first...