ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,062, issued on Nov. 3, was assigned to Canon K.K. (Tokyo).

"Method of sterilizing liquid ejection head, and liquid ejection head assembly" was invented by Sachiko Yamauchi (Kanagawa, Japan), Shinichi Sakurada (Tokyo) and Yoshinori Itoh (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid ejection head to be sterilized includes: an ejection element substrate with an ejection port surface in which an ejection port for ejecting a liquid is formed; and a liquid storage part that stores the liquid to be supplied to the ejection port. A method of sterilizing the liquid ejection head includes: covering at least the ejection port surface ...