ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,830, issued on Aug. 18, was assigned to Qimin Liu (Wuhan, China).

"Keyboard letter area layout method" was invented by Qimin Liu (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a keyboard letter zone layout method, specifically designed for physical and on-screen keyboards used for data input on devices such as mobile phones, tablets, and computers. The layout includes 26 letter keys (A, B, C, D.. E, F, G) and serves as an input method for hardware or electronic device software. The keyboard letter zone is divided into 8 regions based on the rhythm of the alphabet song, with each region corresponding to a segme...