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Chang-Fung Yang
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Mississauga, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Methods and systems for identifying a compromised device through it...
Patent number
11,954,203
Issue date
Apr 9, 2024
BlackBerry Limited
Chang Fung Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods and devices for establishing secure communication channels
Patent number
11,743,300
Issue date
Aug 29, 2023
BlackBerry Limited
Chang Fung Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and systems for identifying compromised devices from file t...
Patent number
11,645,402
Issue date
May 9, 2023
BlackBerry Limited
Chang Fung Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods and systems to identify a compromised device through active...
Patent number
11,632,377
Issue date
Apr 18, 2023
BlackBerry Limited
Chang Fung Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods and systems for identifying a compromised device through it...
Patent number
11,599,639
Issue date
Mar 7, 2023
BlackBerry Limited
Chang Fung Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods and systems for identifying a compromised device through it...
Patent number
11,343,258
Issue date
May 24, 2022
BlackBerry Limited
Chang Fung Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods and devices for establishing secure communication channels
Patent number
11,178,190
Issue date
Nov 16, 2021
BlackBerry Limited
Chang Fung Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Processing certificate validation warnings
Patent number
10,270,603
Issue date
Apr 23, 2019
BlackBerry Limited
Chang Fung Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Verifying a certificate
Patent number
10,149,166
Issue date
Dec 4, 2018
BlackBerry Limited
Elliott Michael Guy Mazzuca
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for intelligent selection of a transport prot...
Patent number
8,892,757
Issue date
Nov 18, 2014
BlackBerry Limited
Ajay Puri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
METHODS AND DEVICES FOR ESTABLISHING SECURE COMMUNICATION CHANNELS
Publication number
20240015186
Publication date
Jan 11, 2024
MALIKIE INNOVATIONS LIMITED
Chang Fung YANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND SYSTEMS TO IDENTIFY A COMPROMISED DEVICE THROUGH ACTIVE...
Publication number
20230224307
Publication date
Jul 13, 2023
BlackBerry Limited
Chang Fung YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND SYSTEMS FOR IDENTIFYING A COMPROMISED DEVICE THROUGH IT...
Publication number
20230185914
Publication date
Jun 15, 2023
BlackBerry Limited
Chang Fung YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND DEVICES FOR ESTABLISHING SECURE COMMUNICATION CHANNELS
Publication number
20220038508
Publication date
Feb 3, 2022
BlackBerry Limited
Chang Fung YANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND SYSTEMS FOR IDENTIFYING A COMPROMISED DEVICE THROUGH IT...
Publication number
20210051156
Publication date
Feb 18, 2021
BlackBerry Limited
Chang Fung YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND SYSTEMS TO IDENTIFY A COMPROMISED DEVICE THROUGH ACTIVE...
Publication number
20210051158
Publication date
Feb 18, 2021
BlackBerry Limited
Chang Fung YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND SYSTEMS FOR IDENTIFYING COMPROMISED DEVICES FROM FILE T...
Publication number
20210049287
Publication date
Feb 18, 2021
BlackBerry Limited
Chang Fung YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND SYSTEMS FOR IDENTIFYING A COMPROMISED DEVICE THROUGH IT...
Publication number
20210049273
Publication date
Feb 18, 2021
BlackBerry Limited
Chang Fung YANG
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND DEVICES FOR ESTABLISHING SECURE COMMUNICATION CHANNELS
Publication number
20200145464
Publication date
May 7, 2020
BLACKBERRY LIMITED
Chang Fung YANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROCESSING CERTIFICATE VALIDATION WARNINGS
Publication number
20170272256
Publication date
Sep 21, 2017
BlackBerry Limited
Chang Fung YANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VERIFYING A CERTIFICATE
Publication number
20170208469
Publication date
Jul 20, 2017
BlackBerry Limited
Elliott Michael Guy MAZZUCA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND APPARATUS FOR INTELLIGENT SELECTION OF A TRANSPORT PROT...
Publication number
20110087795
Publication date
Apr 14, 2011
Research in Motion Limited
Ajay Puri
H04 - ELECTRIC COMMUNICATION TECHNIQUE