ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,036, issued on March 24, was assigned to KONICA MINOLTA INC. (Tokyo).
"Ink ejection device" was invented by Akihisa Yamada (Hino, Japan), Yusaku Tanaka (Mitaka, Japan), Ryoji Matsuda (Kunitachi, Japan) and Aeri Takeuchi (Sagamihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ink ejection device includes a base material, a resin layer having at least one principal surface laminated to the base material to be in contact with the base material, and an ink flow path disposed such that an ink contacts and circulates in a part of the resin layer, wherein the resin layer contains carbon, oxygen, nitrogen and silicon, and at least one of the p...