ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,998, issued on Aug. 25, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Vacuum interrupter" was invented by Masashi Kawada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fixed side power feeding plate having a fixed side circular arc shaped power feeding portion, a fixed side coil electrode having a fixed side circular arc shaped coil portion, a movable side power feeding plate having a movable side circular arc shaped power feeding portion, wherein a fixed side cavity is formed between a fixed side contact and the fixed side circular arc shaped power feeding portion, a movable side cavity is formed between a movable side contact and th...