ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,787, issued on Oct. 20, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Method of estimating peripheral blood pressure and biological data measurement system" was invented by Toru Shimuta (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of estimating a peripheral blood pressure and a biological data measurement system are provided by which the magnitude of a blood pressure in a capillary or an arteriole at a periphery may be estimated in a simple and non-invasive manner. Acquiring a photoplethysmographic signal from a capillary or an arteriole at a periphery of a user who is a subject by using a photople...