US Patent Issued to HAMAMATSU PHOTONICS on Sept. 22 for "X-ray tube" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,177, issued on Sept. 22, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"X-ray tube" was invented by Hiroki Furuki (Hamamatsu, Japan) and Atsushi Ishii (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An X-ray tube includes a housing; an electron gun that emits an electron beam inside the housing; and a target that generates an X-ray upon the electron beam being incident on the target inside the housing. The electron gun includes a cathode that releases electrons, and a focusing electrode that focuses the electrons onto the target as the electron beam. The focusing electrode has a tubular shape having an inner surface ...