ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,711,932, issued on Aug. 18, was assigned to CASIO COMPUTER Co. LTD. (Tokyo).
"Electronic keyboard instrument" was invented by Hiroki Akai (Tokyo), Naoto Imamura (Tokyo), Yuuki Nakajima (Tokyo) and Shingo Fukushima (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic keyboard instrument includes a main body case configured to include a sound emitting hole in a lower side, a keyboard provided inside the main body case, a sound emitting unit disposed on the lower side of the main body case in such a manner that a sound emitting port corresponding to the sound emitting hole is directed towards the keyboard, and a plate-shaped unit provided on...