US Patent Issued to HAMAMATSU PHOTONICS on March 17 for "X-ray tube" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,147, issued on March 17, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "An X-ray tube includes a housing, a cathode disposed in the housing and configured to release electrons, a target disposed in the housing and configured to generate X-rays upon incidence of the electrons, a first tubular body surrounding the cathode inside the housing, and a getter disposed in a region where a trajectory of the electrons from the cathode to the target is not allowed to be seen in an inner region of the...