ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,190, issued on Feb. 17, was assigned to SEIKO EPSON Corp. (Japan).
"Ink jet method and ink jet apparatus" was invented by Chigusa Sato (Matsumoto, Japan), Kyohei Tanaka (Matsumoto, Japan) and Haruya Koyama (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ink jet method includes a step of adhering ink jet compositions containing colorants and polymerizable compounds to be cured with radioactive rays to a recording medium by one printing operation, and the ink jet compositions includes an orange ink composition and a red ink composition."
The patent was filed on Jan. 3, 2024, under Application No. 18/403,102.
*For further informati...