ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,493, issued on Feb. 18, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Microwave-excited light source device" was invented by Akira Inoue (Tokyo), Seiro Yuge (Tokyo), Koji Ota (Tokyo) and Akane Nomura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microwave-excited light source device according to the present application comprises: a center electrode that extends in an axial direction; an annular electrode that is disposed concentrically with respect to the center electrode; an arc tube that is disposed in an annular space formed between the center electrode and the annular electrode and extends along the axial direction in an elongate...