ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,937, issued on April 21, was assigned to KONICA MINOLTA INC. (Tokyo).
"Image forming apparatus" was invented by Katsuhiro Umeda (Musashino, Japan), Shigetaka Kurosu (Hino, Japan), Yusuke Nishisaka (Mitaka, Japan) and Hiroshi Akita (Hino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image forming apparatus includes a main tank that stores an ink, an ink head that ejects the ink, a first supply channel connected to the main tank, a second supply channel for supplying the ink from the first supply channel to the ink head, and a discharge channel for discharging the ink from the first supply channel without allowing the ink to pass through t...