ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,174, issued on Nov. 3, was assigned to Hitachi High-Tech Corp. (Tokyo).
"Aseptic sampling apparatus and aseptic sampling method" was invented by Masaru Nanba (Tokyo), Keisuke Shibuya (Tokyo) and Kenichiro Oka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The aseptic sampling apparatus according to the present invention includes: a sampling channel for pulling out a culture solution in a culture tank to supply the same to an analytical unit; and a pressure-applying unit for applying a pressure to the inside of the sampling channel. The pressure-applying unit controls the flow pressure or fluid flow rate of a fluid in the sampling channel such ...