ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,750,450, issued on Sept. 29, was assigned to Ricoh Co. Ltd. (Tokyo).

"Image reading device including an image pattern portion and image forming apparatus" was invented by Shigeo Takahashi (Kanagawa, Japan), Shoji Imazeki (Kanagawa, Japan) and Masamune Koyanagi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image reading device includes a main body including a light transmissive plate on a top surface of the main body, a document placing plate on the top surface of the main body adjacent to the light transmissive plate in a first direction to place a document, and an image reader movable under the light transmissive plate and the doc...