ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,913, issued on April 21, was assigned to CANON K.K. (Tokyo).
"Camera accessory capable of being attached to or detached from image pickup apparatus main body" was invented by Yuko Teruya (Kanagawa, Japan), Kenji Yamagata (Kanagawa, Japan) and Hayato Mano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A camera accessory capable of improving operability is provided. The camera accessory capable of being attached to or detached from an image pickup apparatus main body including an image pickup plane and a camera accessory attachment portion, includes a first connecting terminal configured to perform at least one input or output of video signals...