ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,108, issued on Dec. 9, was assigned to IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY) (Seoul, South Korea).
"Contraception apparatus for male" was invented by Jung Ki Jo (Seoul, South Korea) and Hongyun So (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A male contraception apparatus includes a tube configured for insertion into the seminal duct. The tube has a hollow portion open at both ends. Positioned within the hollow portion is at least one filter. The filter includes a plurality of microchannels that extend through the filter and a plurality of nanospikes formed on one surface."
The patent was file...