Inventor
SHENG ZHIFAN
CN4 patents
⚠️ This page may combine multiple inventors who share the name “SHENG ZHIFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ACAD OF BROADCASTING SCIENCE STATE ADMINISTRATION OF PRESS PUBLICATION RADIO FILM & TELEVISION
2 patentsUS10321181B2Jun 11, 2019
Conditional access method and system for intelligent operating system
ACAD OF BROADCASTING SCIENCE STATE ADMINISTRATION OF PRESS PUBLICATION RADIO FILM & TELEVISION0 citations32
US10685094B2Jun 16, 2020
Digital rights management (DRM) method and system for intelligent operating system
ACAD OF BROADCASTING SCIENCE STATE ADMINISTRATION OF PRESS PUBLICATION RADIO FILM & TELEVISION0 citations30