ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,297, issued on July 15, was assigned to SEIKO EPSON Corp. (Tokyo).
"Printer" was invented by Tadahiro Mizutani (Shiojiri, Japan) and Yoshihiro Koizumi (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A printer includes: a first ink tank; a second ink tank, both mounted on an X-Y plane; and a window that enables a liquid level of each of the first and second ink tanks to be visually checked from an outside of the printer, the window being disposed in an X-Z plane or a Y-Z plane. The X-Y plane, X-Z plane and Y-Z plane are defined by X-, Y-, and Z-axes, which are mutually orthogonal to. Each of the first and second ink tanks includes a f...