ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,551, issued on Nov. 11, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Structure-based access control" was invented by Mark Spates IV (San Francisco), Vincent Mo (Sunnyvale, Calif.), Zhenguo Guan (Cupertino, Calif.) and David Roy Schairer (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides systems and methods that perform structure-based access control. In particular, rather than relying upon a user-specific credential scheme, which can require manual sharing of user-specific credentials and/or switching between the multiple accounts to access the particular devices, applications, or services associ...