ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,752, issued on Sept. 1, was assigned to Kyoto Fusioneering Ltd. (Uji, Japan).

"Power supply device for gyrotron and power control method" was invented by Keishi Sakamoto (Uji, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A main power supply 51 supplies power to a main voltage circuit 5 applying a voltage to an electron gun unit 2a and a collector unit 26, a body power supply 31 supplies power to a body voltage circuit 3 applying a voltage to a body unit 25 and the collector unit 26, and a body power supply stabilization circuit 33 maintains an input/output voltage varying between an electron gun side supply line 51b of the main power supply ...