ALEXANDRIA, Va., July 15 -- United States Patent no. D1,131,643, issued on June 23, was assigned to Shachihata Inc. (Nagoya, Japan).
"Ink pack for ink refilling device" was invented by Masaki Kida (Tokyo), Motohide Imaizumi (Tokyo) and Tomohiro Kageyama (Nagoya, Japan).
The patent was filed on June 27, 2023, under Application No. D/895,905.
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