ALEXANDRIA, Va., Oct. 28 -- United States Patent no. RE50,645, issued on Oct. 21, was assigned to Canon K.K. (Tokyo).
"Ink jet recording apparatus" was invented by Hideaki Matsumura (Tokyo), Koki Shimada (Kanagawa, Japan), Yusuke Tanaka (Kanagawa, Japan), Takahiro Kiuchi (Tokyo), Masaya Shimmachi (Kanagawa, Japan), Yukimichi Kimura (Kanagawa, Japan), Junichi Kubokawa (Nagasaki, Japan) and Kyohei Sato (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an ink jet recording apparatus capable of preventing a user from erroneously performing an opening and closing operation of a valve in the supply of ink to a recording head from an ink tank. The ink jet recording apparatus includes...