US Patent Issued to FUJIFILM on May 12 for "Calibration phantom" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,622,666, issued on May 12, was assigned to FUJIFILM Corp. (Tokyo).

"Calibration phantom" was invented by Isao Takahashi (Tokyo), Shinichi Kojima (Tokyo) and Kazuma Yokoi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A calibration phantom is configured to be difficult to deform and easy to handle. The calibration phantom can be used in a case of acquiring calibration data of a photon-counting type detector that outputs an electrical signal corresponding to photon energy of an incident X-ray. The calibration phantom includes first base substances and a second base substance which are known substances, the second base substance having an atomic numb...