ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,166, issued on March 18, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).

"System and method for estimating location of tip of intervention device in acoustic imaging" was invented by Kunal Vaidya (Boston), Ameet Kumar Jain (Boston), Hendrik Roelof Stapert (Eindhoven, Netherlands), Ramon Quido Erkamp (Swampscott, Mass.), Shyam Bharat (Arlington, Mass.) and Alvin Chen (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic imaging apparatus and method receive a sensor signal from a passive sensor disposed on a surface of an intervention device which is disposed in an area of interest, wherein the passive sensor...