ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,909, issued on Nov. 11, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Gas chromatograph" was invented by Yuji Nakama (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas chromatograph includes a sample introduction unit configured to introduce a vaporized sample into a separation column together with a carrier gas, a detection unit configured to detect a gas emitted from the separation column, and a catalyst processing unit. The catalyst processing unit includes a catalyst configured to introduce a gas containing the carrier gas discharged from the sample introduction unit or the detection unit to oxidize the hydrogen gas."
The pate...