Inventor · disambiguated record
John Cheong-Wai Ngan
Also filed as: NGAN JOHN · NGAN JOHN C W · NGAN JOHN CHEONG-WAI
18 granted patents·747 citations·filing 2002–2006
96Inventor score
Files withSPRINT SPECTRUM LP18
Top patents by PatentIndex Score
18 records- 0197US7415242B1Method and system for proximity detection for an in-building wireless repeaterSPRINT SPECTRUM LP·Filed 2003·Granted Aug 19, 2008·170 cites·20 claims
- 0293US7336961B1Method and system for determining location of a mobile station within a distributed antenna systemSPRINT SPECTRUM LP·Filed 2004·Granted Feb 26, 2008·94 cites·22 claims
- 0393US7299005B1Radio frequency repeater with automated block/channel selectionSPRINT SPECTRUM LP·Filed 2004·Granted Nov 20, 2007·67 cites·26 claims
- 0492US7751778B1Method and system for increasing data transmission ratesSPRINT SPECTRUM LP·Filed 2005·Granted Jul 6, 2010·27 cites·21 claims
- 0591US7174187B1Multimodal wireless communication device with user selection of transceiver mode via dialing stringSPRINT SPECTRUM LP·Filed 2004·Granted Feb 6, 2007·69 cites·10 claims
- 0689US7844295B1Using a wireless intercom to talk-around a cellular wireless networkSPRINT SPECTRUM LP·Filed 2005·Granted Nov 30, 2010·20 cites·3 claims
- 0789US7353001B1Method and apparatus for managing beam selection in a mobile handsetSPRINT SPECTRUM LP·Filed 2005·Granted Apr 1, 2008·17 cites·20 claims
- 0888US7123911B1Method and system of wireless signal repeatingSPRINT SPECTRUM LP·Filed 2002·Granted Oct 17, 2006·38 cites·24 claims
- 0987US7260383B1Method and system for wireline response to wireless message notificationSPRINT SPECTRUM LP·Filed 2004·Granted Aug 21, 2007·51 cites·20 claims
- 1085US7480485B1Radio frequency repeater with automated block/channel selectionSPRINT SPECTRUM LP·Filed 2004·Granted Jan 20, 2009·31 cites·26 claims
- 1184US7099695B1Method and system of selecting antennas and equipment for use within a wireless communication systemSPRINT SPECTRUM LP·Filed 2002·Granted Aug 29, 2006·34 cites·6 claims
- 1282US7853294B1Method and system of selecting antennas and equipment for use within a wireless communication systemSPRINT SPECTRUM LP·Filed 2006·Granted Dec 14, 2010·8 cites·17 claims
- 1380US7088965B1Fractal antenna system and method for improved wireless telecommunicationsSPRINT SPECTRUM LP·Filed 2002·Granted Aug 8, 2006·35 cites·23 claims
- 1478US7551920B1Signal strength-based call forwarding for wireless phonesSPRINT SPECTRUM LP·Filed 2003·Granted Jun 23, 2009·25 cites·11 claims
- 1575US7542733B1Method and apparatus for diversity transmission from a mobile stationSPRINT SPECTRUM LP·Filed 2003·Granted Jun 2, 2009·15 cites·7 claims
- 1674US7197288B1Method and system of spread spectrum modulationSPRINT SPECTRUM LP·Filed 2002·Granted Mar 27, 2007·20 cites·20 claims
- 1773US6973312B1Method and system of identifying cells in which to apply a carrier frequencySPRINT SPECTRUM LP·Filed 2002·Granted Dec 6, 2005·17 cites·28 claims
- 1864US7792532B1Method and system of reusing walsh code to increase forward channel capacitySPRINT SPECTRUM LP·Filed 2003·Granted Sep 7, 2010·9 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →