US Patent Issued to SUMITOMO HEAVY INDUSTRIES on Oct. 20 for "Cryocooler diagnostic system, cryocooler, and cryocooler diagnostic method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,578, issued on Oct. 20, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).

"Cryocooler diagnostic system, cryocooler, and cryocooler diagnostic method" was invented by Yuki Ikushima (Nishitokyo, Japan) and Tatsuki Nishio (Nishitokyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cryocooler diagnostic system includes a cryocooler including a pressure sensor that measures a pressure inside the cryocooler, a calculation processing device configured to receive a measured pressure waveform indicating the pressure inside the cryocooler measured by the pressure sensor, and calculate an amplitude of a drive frequency of the cryocooler or of a ...