Inventor · disambiguated record
Stephen Ma
Also filed as: MA STEPHEN · MA STEPHEN C · MA STEPHEN CHIHHUNG
24 granted patents·2 pending applications·3,323 citations·filing 1989–2019
97Inventor score
Top patents by PatentIndex Score
26 records- 0198US7962281B2Generating and serving tiles in a digital mapping systemGOOGLE INC·Filed 2009·Granted Jun 14, 2011·353 cites·20 claims
- 0298US7894984B2Digital mapping systemGOOGLE INC·Filed 2010·Granted Feb 22, 2011·314 cites·10 claims
- 0398US7599790B2Generating and serving tiles in a digital mapping systemGOOGLE INC·Filed 2005·Granted Oct 6, 2009·172 cites·43 claims
- 0498US7379811B2Digital mapping systemGOOGLE INC·Filed 2006·Granted May 27, 2008·559 cites·31 claims
- 0598US7158878B2Digital mapping systemGOOGLE INC·Filed 2005·Granted Jan 2, 2007·772 cites·74 claims
- 0697US4998111ACPS transform correlation receiver and methodMOTOROLA INC·Filed 1989·Granted Mar 5, 1991·262 cites·9 claims
- 0796US8014946B2Digital mapping systemGOOGLE INC·Filed 2011·Granted Sep 6, 2011·26 cites·10 claims
- 0895US7606245B2Distributed packet processing architecture for network access serversCISCO TECH INC·Filed 2005·Granted Oct 20, 2009·145 cites·22 claims
- 0995US6954463B1Distributed packet processing architecture for network access serversCISCO TECH IND·Filed 2000·Granted Oct 11, 2005·237 cites·26 claims
- 1091US7616646B1Intraserver tag-switched distributed packet processing for network access serversCISCO TECH INC·Filed 2000·Granted Nov 10, 2009·104 cites·25 claims
- 1187US9842380B2Digital mapping systemRASMUSSEN JENS EILSTRUP·Filed 2011·Granted Dec 12, 2017·3 cites·24 claims
- 1286US6441694B1Method and apparatus for generating digitally modulated signalsMOTOROLA INC·Filed 2000·Granted Aug 27, 2002·70 cites·12 claims
- 1385US7778347B2Power de-rating reduction in a transmitterFREESCALE SEMICONDUCTOR INC·Filed 2006·Granted Aug 17, 2010·13 cites·15 claims
- 1485US5619211APosition locating and communication system using multiple satellite constellationsMOTOROLA INC·Filed 1994·Granted Apr 8, 1997·99 cites·11 claims
- 1584US6075484AMethod and apparatus for robust estimation of directions of arrival for antenna arraysMOTOROLA INC·Filed 1999·Granted Jun 13, 2000·109 cites·27 claims
- 1682US8700776B2System and method for editing a conversation in a hosted conversation systemRASMUSSEN JENS EILSTRUP·Filed 2010·Granted Apr 15, 2014·6 cites·17 claims
- 1781US6169522B1Combined mechanical scanning and digital beamforming antennaMOTOROLA INC·Filed 1999·Granted Jan 2, 2001·72 cites·5 claims
- 1874US10475157B2Digital mapping systemGOOGLE LLC·Filed 2018·Granted Nov 12, 2019·0 cites·20 claims
- 1974US10152770B2Digital mapping systemGOOGLE LLC·Filed 2017·Granted Dec 11, 2018·0 cites·20 claims
- 2071US2008291205A1Digital Mapping SystemRASMUSSEN JENS EILSTRUP·Filed 2008·Application pending·0 cites
- 2170US12008727B2Digital mapping systemGOOGLE LLC·Filed 2019·Granted Jun 11, 2024·0 cites·15 claims
- 2270US9294421B2System and method for merging edits for a conversation in a hosted conversation systemRASMUSSEN JENS EILSTRUP·Filed 2010·Granted Mar 22, 2016·2 cites·23 claims
- 2370US7990941B2Adaptive antenna system signal detectionFREESCALE SEMICONDUCTOR INC·Filed 2007·Granted Aug 2, 2011·4 cites·10 claims
- 2467US8984139B2System and method for editing a conversation in a hosted conversation systemGOOGLE INC·Filed 2014·Granted Mar 17, 2015·1 cites·20 claims
- 2543US2009161627A1Switching communication networks in a mobile deviceFREESCALE SEMICONDUCTOR INC·Filed 2007·Application pending·0 cites
- 2639US9083496B2Adaptive antenna system signal detectionLEVIN BRIAN D·Filed 2011·Granted Jul 14, 2015·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →