ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,693, issued on Nov. 4, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).
"Sterilization method" was invented by Atsushi Hayakawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sterilization method includes a circulation step of circulating a sterilizer through a circulation line (53) while the sterilizer is being heated by a heater (H), and a sterilization step of sterilizing a filling chamber (42) by supplying, to the filling chamber (42), the sterilizer heated by the heater (H)."
The patent was filed on March 30, 2021, under Application No. 17/996,445.
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