ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,789, issued on June 3, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Thermal conductivity detector" was invented by Yuji Nakama (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A thermal conductivity detector includes: a first flow path (4) in which a filament (2) is arranged; a second flow path (6) provided separately from the first flow path (4); an introduction flow path (8) configured to fluidly communicate between an upstream of the first flow path (4) and an upstream end of the second flow path (6); a sample inlet (10) configured to introduce a sample gas to the introduction flow path (8); a first gas inlet (12) provided between t...