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Haifeng Zhu
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Vernon, CT, US
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Patents Grants
last 30 patents
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Patent Grant
Energy efficient secure Wi-Fi credentialing for access control systems
Patent number
11,532,190
Issue date
Dec 20, 2022
Carrier Corporation
Vijaya Ramaraju Lakamraju
G07 - CHECKING-DEVICES
Information
Patent Grant
Beacon synchronization in wifi based systems
Patent number
9,125,152
Issue date
Sep 1, 2015
UTC Fire & Security Corporation
Haifeng Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
ENERGY EFFICIENT SECURE WI-FI CREDENTIALING FOR ACCESS CONTROL SYSTEMS
Publication number
20190251768
Publication date
Aug 15, 2019
Carrier Corporation
Vijaya Ramaraju Lakamraju
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Beacon synchronization in wifi based systems
Publication number
20130044658
Publication date
Feb 21, 2013
UTC FIRE & SECURITY CORPORATION
Haifeng Zhu
H04 - ELECTRIC COMMUNICATION TECHNIQUE