ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,481, issued on May 27, was assigned to CASIO COMPUTER Co. LTD. (Tokyo).
"Keyboard instrument" was invented by Shingo Fukushima (Oume, Japan), Kouji Oshima (Fussa, Japan), Naoto Imamura (Akishima, Japan), Yuuki Nakajima (Tachikawa, Japan), Mari Nakajima (Hino, Japan) and Ryohei Kobayashi (Akishima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A keyboard instrument includes: a case (upper case) including a back surface member having an insertion port into which a music stand is inserted, and an upper surface member having a recessed portion provided corresponding to the insertion port; and an exterior member that is disposed on an upper side o...