Inventor
YANG CHANG FUNG
CA12 patents
⚠️ This page may combine multiple inventors who share the name “YANG CHANG FUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BLACKBERRY LTD
10 patentsUS11632377B2Apr 18, 2023
Methods and systems to identify a compromised device through active testing
BLACKBERRY LTD2 citations70
US10149166B2Dec 4, 2018
Verifying a certificate
BLACKBERRY LTD2 citations68
US10270603B2Apr 23, 2019
Processing certificate validation warnings
BLACKBERRY LTD2 citations64
US12568093B2Mar 3, 2026
Methods and systems to identify a compromised device through active testing
BLACKBERRY LTD0 citations59
US11954203B2Apr 9, 2024
Methods and systems for identifying a compromised device through its unmanaged profile
BLACKBERRY LTD0 citations59
US11743300B2Aug 29, 2023
Methods and devices for establishing secure communication channels
BLACKBERRY LTD0 citations59
US11599639B2Mar 7, 2023
Methods and systems for identifying a compromised device through its unmanaged profile
BLACKBERRY LTD0 citations59
US11178190B2Nov 16, 2021
Methods and devices for establishing secure communication channels
BLACKBERRY LTD0 citations59
US11645402B2May 9, 2023
Methods and systems for identifying compromised devices from file tree structure
BLACKBERRY LTD0 citations49
US11343258B2May 24, 2022
Methods and systems for identifying a compromised device through its managed profile
BLACKBERRY LTD0 citations49