ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,085, issued on Dec. 30, was assigned to CASIO COMPUTER Co. LTD. (Tokyo).
"Keyboard instrument" was invented by Kenzo Ichikawa (Tokyo), Takahiro Mizushina (Tokyo) and Wataru Nimura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A keyboard instrument having a key and a link mechanism provided on a lower side of the key, and the link mechanism has a first member having a first fixing fulcrum, a first link pivotally supported on the first fixing fulcrum on one end side, a second member having a second fixing fulcrum provided further forwards and further downwards than the first fixing fulcrum, a second link pivotally supported on the second fixin...