ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,442, issued on July 8, was assigned to Epinovatech AB (Lund, Sweden).

"Field-programmable gate array device" was invented by Martin Andreas Olsson (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a field-programmable gate array, FPGA, device (100) comprising a configurable logic block, CLB, (110) comprising a logic inverter (120) comprising a high-electron-mobility transistor, HEMT, (130), wherein the HEMT comprises: a Si substrate (384); an AlyGay-1N layer structure (380), wherein 0greater thanyless than equal to1; a GaN layer structure (382); and a crystal transition layer structure (386) arranged on the Si substrate. ...