ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,244, issued on June 24, was assigned to Sakuu Corp. (San Jose, Calif.).

"Wetness sensor, method and system for sensing an amount of a wetting agent" was invented by Steven Zhichao Shi (Santa Clara, Calif.), Morteza Vatani (Los Gatos, Calif.) and Seyed Mohammad Sajadi (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wetness sensor, and a method and system using such a sensor, for detecting amounts of a wetting agent in a wetting agent absorbing material, including a sensor device located in contact with the wetting agent absorbing material and configured to monitor a parameter of the wetting agent absorbing material which varies in ...