ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,656, issued on April 29, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Vacuum interrupter" was invented by Naoya Aihara (Tokyo), Taiki Donen (Tokyo), Yasutomo Otake (Tokyo), Katsuya Jinno (Tokyo), Hiromi Koga (Tokyo) and Shinichi Miki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum interrupter according to the present disclosure is configured such that a linear resistive layer and a nonlinear resistive layer are disposed so as to cover at least a part of a periphery of an insulation container, and a magnitude relationship of each resistivity is R1less thanR3less thanR2, where a resistivity of the nonlinear resistive layer less th...