US Patent Issued to SEIKO EPSON on Oct. 6 for "Ink refill container" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,540, issued on Oct. 6, was assigned to SEIKO EPSON Corp. (Tokyo).

"Ink refill container" was invented by Tadashi Watanabe (Matsumoto, Japan), Tadahiro Mizutani (Shiojiri, Japan), Yoshihiro Koizumi (Shiojiri, Japan) and Yuta Koike (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ink refill container for refilling a printer with ink, includes: a container body; an ink-outlet forming portion including a tubular portion and a valve located in an ink outlet; and a cap configured to be detachably attached to the ink-outlet forming portion. The cap includes an inner top-surface portion. The inner top-surface portion includes a center prot...