US Patent Issued to MEIDENSHA CORPORATION; WASEDA UNIVERSITY on Nov. 3 for "Electric field emission device" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,024, issued on Nov. 3, was assigned to MEIDENSHA CORPORATION; WASEDA UNIVERSITY (Tokyo).

"Electric field emission device" was invented by Hayato Ochi (Tokyo), Rena Takahashi (Tokyo), Suguru Noda (Tokyo), Kotaro Yasui (Tokyo) and Hisashi Sugime (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric field emission device includes a vacuum vessel configured to include a vacuum chamber; an emitter positioned on one side in an axial direction of the chamber and including an electron generation portion facing another side in the axial direction; a target positioned on the other side of the chamber and facing the emitter; a guard electrode that i...