Assignee
TAO QUANJUN
CN·4 granted patents·5 citations·filing 2009–2010
Top patents by PatentIndex Score
4 records- 0170US8929947B2Local exchange implementation method for local callTAO QUANJUN·Filed 2010·Granted Jan 6, 2015·3 cites·6 claims
- 0264US8538441B2Method and system for implementing the local switch of the local callTAO QUANJUN·Filed 2009·Granted Sep 17, 2013·2 cites·16 claims
- 0353US8948743B2Method and system for implementing local call local switchTAO QUANJUN·Filed 2009·Granted Feb 3, 2015·0 cites·23 claims
- 0437US9706444B2Method and system for enabling circuit switched fallback service in evolved packet systemTAO QUANJUN·Filed 2010·Granted Jul 11, 2017·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when TAO QUANJUN files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →