Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LL

Louis Litwin — 42 Patents

TLThomson Licensing: 42 patents #26 of 2,575Top 2%
Carmel, IN: #39 of 1,387 inventorsTop 3%
Indiana: #416 of 33,936 inventorsTop 2%
Overall (All Time): #73,892 of 4,157,543Top 2%
42 Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7020826 Intra-decoder component block messaging Didier Velez 2006-03-28
6980651 Method for using an access card to create a secure sub-network on a public network Kumar Ramaswamy, Michael Arthur Derrenberger 2005-12-27
6959055 Multi-stage automatic gain control for spread-spectrum receivers Adam Robert Margetts, Paul Gothard Knutson 2005-10-25
6944244 Mechanism for OFDM equalizer tap initialization using an adaptive algorithm Maxim Belotserkovsky 2005-09-13
6920600 Dual chien search blocks in an error-correcting decoder Didier Velez 2005-07-19
6901252 Appending database update information to voice calls from mobile devices to minimize call setup/teardown overhead 2005-05-31
6834091 Time synchronization for data over a powerline modem network Kumar Ramaswamy 2004-12-21
6795486 Variable-length correlator for spread-spectrum communications 2004-09-21
6771591 Method and system for processing orthogonal frequency division multiplexed signals Maxim Belotserkovsky 2004-08-03
6754194 Method and apparatus for indicating the presence of a wireless local area network by detecting signature sequences Kumar Ramaswamy, Paul Gothard Knutson, Wen Gao, Charles Chuanming Wang 2004-06-22
6711221 Sampling offset correction in an orthogonal frequency division multiplexing system Maxim Belotserkovsky 2004-03-23
6704584 Mechanism for a wireless device to relinquish its network master status based on its power reserve 2004-03-09
6704374 Local oscillator frequency correction in an orthogonal frequency division multiplexing system Maxim Belotserkovsky 2004-03-09
6703923 Apparatus for providing security on a powerline-modem network Kumar Ramaswamy, Michael Anthony Pugel 2004-03-09
6650617 Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system Maxim Belotserkovsky 2003-11-18
6628735 Correction of a sampling frequency offset in an orthogonal frequency division multiplexing system Maxim Belotserkovsky 2003-09-30
6577231 Clock synchronization over a powerline modem network for multiple devices Kumar Ramaswamy 2003-06-10