Inventor · disambiguated record
Safwan A. Khan
Also filed as: KHAN SAFWAN · KHAN SAFWAN A
7 granted patents·1 pending application·27 citations·filing 2005–2010
80Inventor score
Top patents by PatentIndex Score
8 records- 0175US7822437B2System and method for dispatch roaming registrationNEXTEL COMMUNICATIONS·Filed 2005·Granted Oct 26, 2010·6 cites·22 claims
- 0274US8059613B1Implementing redirect on interoperability gateway for CDMA terminated PTT callsBARROW STEVEN·Filed 2006·Granted Nov 15, 2011·9 cites·17 claims
- 0374US8027316B1Efficient selection of interoperability gateway for CDMA terminated PTT callsNEXTEL COMMUNICATIONS·Filed 2006·Granted Sep 27, 2011·6 cites·15 claims
- 0462US7636580B1Method and apparatus for handling integrated digital enhanced network calling restrictionsNEXTEL COMMUNICATIONS·Filed 2007·Granted Dec 22, 2009·2 cites·20 claims
- 0560US8306057B1Method and system for providing presence information related to a communications networkKHAN SAFWAN A·Filed 2007·Granted Nov 6, 2012·4 cites·21 claims
- 0644US8036648B1System and method for operating a user functionality in a mobile communications deviceNEXTEL COMMUNICATIONS·Filed 2007·Granted Oct 11, 2011·0 cites·16 claims
- 0743US7831266B1Method and system for routing a push-to-talk (PTT) call in a communications networkNEXTEL COMMUNICATIONS·Filed 2007·Granted Nov 9, 2010·0 cites·17 claims
- 0830US2011294512A1System and method for routing push-to-talk callsKHAN SAFWAN A·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →