ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,369, issued on July 8, was assigned to ZACROS Corp. (Tokyo).

"Inner plug constituting nozzle and eye drop container" was invented by Yoshitoh Tanaka (Yokohama, Japan), Asako Kanazawa (Yokohama, Japan) and Toyoaki Suzuki (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The eye drop container includes a container body having an inner plug and an opening part in which the inner plug is mounted. The inner plug is mounted in the opening part of the container body, constitutes a nozzle part, and has a liquid-contacting part which is constituted of a layer including a cyclic olefin copolymer, a cushioning part which is provided in an outer ci...