ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,145, issued on July 29, was assigned to HITACHI LTD. (Tokyo).

"Document review assistance method, document review assistance system, and non-transitory computer readable medium" was invented by Hiroko Otaki (Tokyo) and Kunihiko Kido (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In screening of documents based on a similarity between keywords, it is difficult to exclude documents having similar background but different conclusions. In a document review assistance method executed by a computer system, a storage unit stores data on a plurality of documents, and the document review assistance method includes: a step of creating, by a control uni...