ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,600, issued on April 22, was assigned to SEIKO EPSON Corp. (Tokyo).
"Method for manufacturing refilled ink container" was invented by Noriyuki Fukasawa (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a refilled ink container includes: a first step of pouring a cleaning solution into a used ink container including a liquid flowing portion and a liquid accommodating portion through the liquid flowing portion to fill the liquid accommodating portion with the cleaning solution, the liquid flowing portion being configured to supply and discharge liquid; a second step of discharging the cleaning solution in the l...