ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,225, issued on March 4, was assigned to KONINKLIJKE PHILIPS N.V. (Eindhoven, Netherlands).

"Determining whether hairs on an area of skin have been treated with a light pulse" was invented by Shakith Devinda Fernando (Eindhoven, Netherlands), Karl Catharina Van Bree (Eindhoven, Netherlands), Jan Brouwer (Eindhoven, Netherlands), Gerben Kooijman (Leende, Netherlands), Felipe Maia Masculo (Eindhoven, Netherlands), Cornelis Willem Hameetman (Rotterdam, Netherlands) and Adrienne Heinrich (Taguig, Philippines).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to an aspect, there is provided an apparatus for use with a treatment device. The treatment...