ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,703, issued on Aug. 19, was assigned to HORIBA LTD. (Kyoto, Japan).
"Density gradient liquid production apparatus, density gradient liquid production method, particle diameter distribution measurement system, and particle diameter distribution measurement method" was invented by Tetsuji Yamaguchi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a density gradient liquid production apparatus for producing a density gradient liquid in a measurement cell for a centrifugal sedimentation type particle diameter distribution measurement device and comprises a first solution preparation unit that prepares a first solution with a pred...