ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,254, issued on April 8, was assigned to SEIKO EPSON Corp. (Japan).

"Dielectric heating apparatus and printing system" was invented by Tadashi Aizawa (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a dielectric heating apparatus for heating a first ink and a second ink that adhere to a medium. The first ink contains carbon black, and the second ink does not contain carbon black. The dielectric heating apparatus includes: a first electrode unit as an electrode unit configured to heat the first ink and the second ink, the first electrode unit including a first electrode and a second electrode that face the medium; and a fir...