ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,893, issued on June 17, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Guangdong, China).

"Registration method, terminal device and network device" was invented by Hai Tang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of the application disclose a registration method, a terminal device and a network device. The method includes: when the terminal device is registered on a first network through a first access technology, acquiring, by the terminal device, first slice information; when the terminal device is registered on a second network through a second access technology, acquiring, by the ter...