Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SM

Stephen Ma — 24 Patents

Google: 13 patents #1,866 of 22,993Top 9%
Motorola: 5 patents #2,750 of 14,142Top 20%
Cisco: 3 patents #4,245 of 13,007Top 35%
FSFreeescale Semiconductor: 2 patents #1,335 of 3,767Top 40%
Apple: 1 patents #12,397 of 18,612Top 70%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Stephen Ma has been granted 24 US patents while listed as an inventor at Google. The first was granted in 1991 and the most recent in June 2024. Stephen Ma ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Stephen Ma in Sydney, AZ, AU.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12008727 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2024-06-11 $107,845,000
10475157 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2019-11-12 $34,759,000
10152770 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2018-12-11 $28,843,000
9842380 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2017-12-12 $19,710,000
9294421 System and method for merging edits for a conversation in a hosted conversation system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Alexandre T. Mah 2016-03-22 $19,530,000
9083496 Adaptive antenna system signal detection Brian D. Levin, Cinda L. Flynn, Jeffrey Keating 2015-07-14 $86,409,000
8984139 System and method for editing a conversation in a hosted conversation system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Alexandre T. Mah 2015-03-17 $9,112,000
8700776 System and method for editing a conversation in a hosted conversation system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Alexandre T. Mah 2014-04-15 $9,690,000
8014946 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2011-09-06 $51,687,000
7990941 Adaptive antenna system signal detection Brian D. Levin, Cinda L. Flynn, Jeffrey Keating 2011-08-02 $3,689,000
7962281 Generating and serving tiles in a digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen 2011-06-14 $60,316,000
7894984 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2011-02-22 $254,759,000
7778347 Power de-rating reduction in a transmitter Ning Chen, Jeffrey Keating, James W. McCoy 2010-08-17
7616646 Intraserver tag-switched distributed packet processing for network access servers Suresh Sangiah, Jagannadh Tangirala, R. Ashby Armistead 2009-11-10 $36,916,000
7606245 Distributed packet processing architecture for network access servers Suresh Sangiah, Jagannadh Tangirala, R. Ashby Armistead 2009-10-20 $27,124,000
7599790 Generating and serving tiles in a digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen 2009-10-06 $162,407,000
7379811 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2008-05-27 $1,163,800,000
7158878 Digital mapping system Jens Eilstrup Rasmussen, Lars Eilstrup Rasmussen, Bret Steven Taylor, James Christopher Norris, Andrew Kirmse +2 more 2007-01-02
6954463 Distributed packet processing architecture for network access servers Suresh Sangiah, Jagannadh Tangirala, R. Ashby Armistead 2005-10-11 $63,103,000
6441694 Method and apparatus for generating digitally modulated signals Randy Lee Turcotte, Matthew A. Ronning, Keith Warble, Peter Oppong Okrah 2002-08-27 $19,620,000
6169522 Combined mechanical scanning and digital beamforming antenna Keith Warble, A. David Munger, Richard S. Torkington, David W. Corman, Deborah Sue Dendy 2001-01-02 $34,132,000
6075484 Method and apparatus for robust estimation of directions of arrival for antenna arrays Sam M. Daniel 2000-06-13 $42,826,000
5619211 Position locating and communication system using multiple satellite constellations Philip R. Horkin, Isaac N. Durboraw, III, George William Muncaster 1997-04-08 $14,533,000
4998111 CPS transform correlation receiver and method Isaac N. Durboraw, III 1991-03-05 $5,747,000