ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,118, issued on May 5, was assigned to View Operating Corp. (San Jose, Calif.).

"Controlling transitions in optically switchable devices" was invented by Gordon E. Jack (San Jose, Calif.), Sridhar Karthik Kailasam (Fremont, Calif.), Stephen Clark Brown (San Mateo, Calif.), Anshu A. Pradhan (Collierville, Tenn.), Jose Vigano (Milpitas, Calif.), Dhairya Shrivastava (Los Altos, Calif.) and Mark David Mendenhall (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of this disclosure concern controllers and control methods for applying a drive voltage to bus bars of optically switchable devices such as electrochromic devices. Such devices...