Assignee
WANG CHANGQING
US·2 granted patents·3 citations·filing 2008–2009
Top patents by PatentIndex Score
2 records- 0162US8782724B2User editable metadata for interactive television programsWANG CHANGQING·Filed 2009·Granted Jul 15, 2014·2 cites·20 claims
- 0255US8670441B2System and method for migrating a large scale batch of customer accounts from one VoIP system to another VoIP systemWANG CHANGQING·Filed 2008·Granted Mar 11, 2014·1 cites·20 claims
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