ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,425, issued on Oct. 21, was assigned to BEIJING ZITIAO NETWORK TECHNOLOGY Co. LTD. (Beijing).

"Method and apparatus for processing information in document, and device and medium" was invented by Ruiyuan Liang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of the present disclosure relate to a method and apparatus for processing information in a document, and a device and a medium. The method includes: displaying a database table in the document in response to receiving a table creation operation in the document; marking a target area and displaying a comment box on an interface of the document in response to receiving a comm...