ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,575, issued on Dec. 16, was assigned to Canon K.K. (Tokyo).
"Operation device" was invented by Kei Teranishi (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An operation device includes a housing, an inlet port, and an outlet port. The housing has an exposed portion and an embedded portion. The inlet port is formed in the housing and takes air into an inside of the housing from an outside of the housing. The outlet port is formed in the housing and exhausts air from the inside of the housing to the outside of the housing. The inlet port is arranged in one of the exposed portion and the embedded portion and the outlet port is arranged...