ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,482, issued on Sept. 8, was assigned to SEIKO EPSON Corp. (Japan).

"Set and ink jet recording method" was invented by Tasuku Nakamura (Matsumoto, Japan), Ryota Miyasa (Matsumoto, Japan), Daisuke Sakuma (Minowa, Japan), Akiko Yamada (Shiojiri, Japan) and Kosuke Chidate (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A set according to an embodiment of the present disclosure includes a treatment solution composition that contains particles containing organopolysiloxane and water, and an ink jet ink composition that contains a pigment and water, in which in a ratio of a static surface tension of the ink jet ink composition to a static s...