ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,471, issued on April 22, was assigned to Fluidigm Canada Inc. (Markham, Canada).

"Mass cytometry" was invented by Paul Corkum (Markham, Canada), Alexander Loboda (Markham, Canada) and David M. Rayner (Markham, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present invention relate to replacement of the previous ICP-based ionisation system with a new laser ionisation system, providing improved mass spectrometer-based apparatus and methods for using them to analyse samples, in particular the use of mass spectrometry mass cytometry, imaging mass spectrometry and imaging mass cytometry, for the analysis of biological samples. Ac...