ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,011, issued on Dec. 2, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Atsugi, Japan).

"Document search system, document search method, program, and non-transitory computer readable storage medium" was invented by Kazuki Higashi (Atsugi, Japan) and Junpei Momo (Sagamihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A highly accurate document search, particularly a search for a document relating to intellectual property, is achieved with an easy input method. A document search system includes a processing portion. The processing portion has a function of extracting a keyword included in text data, a function of extracting a related...