ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,833, issued on Sept. 1, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Kanagawa-ken, Japan).

"Document search system and method for outputting document search result" was invented by Yoshitaka Dozen (Atsugi, Japan) and Kunitaka Yamamoto (Atsugi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A search using a plurality of search queries and a check of a result of the search are performed efficiently. A plurality of search queries are received. A plurality of documents are searched on the basis of each of the plurality of search queries. A plurality of search results are obtained for each of the plurality of documents. The document se...