ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,269, issued on Nov. 25, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Apparatus and method for estimating bio-information" was invented by Jin Woo Choi (Suwon-si, South Korea), Jae Min Kang (Seoul, South Korea), Seung Woo Noh (Seongnam-si, South Korea), Sang Yun Park (Hwaseong-si, South Korea) and Hye Rim Lim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for estimating bio-information is provided. According to an embodiment of the present disclosure, the apparatus for estimating bio-information includes: a first sensor configured to measure a first pulse wave signal of a first wavelength ...