ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,729, issued on Feb. 10, was assigned to HITACHI POWER SOLUTIONS Co. LTD. (Ibaraki, Japan).
"Magnetron" was invented by Reiji Torai (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a magnetron capable of preventing damage to a coil and suppressing oscillation stop due to occurrence of abnormal oscillation. A magnetron is a high-output type industrial magnetron in which all plate-shaped vanes belonging to a first plate-shaped vane group and all plate-shaped vanes belonging to a second plate-shaped vane group have the same number (at least three or more) of through holes near tips in a direction of a central axis, and when n i...