Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Rajaram Ramesh — 133 Patents

Ericsson: 117 patents #259 of 9,909Top 3%
Shell Oil Compny: 10 patents #283 of 4,423Top 7%
GE: 2 patents #13,562 of 36,430Top 40%
OTOptis Cellular Technology: 1 patents #58 of 129Top 45%
EREriccson: 1 patents #2 of 23Top 9%
UPUnwired Planet: 1 patents #65 of 154Top 45%
ECEricsson Ge Mobile Communications: 1 patents #43 of 105Top 45%
Raleigh, NC: #23 of 6,378 inventorsTop 1%
North Carolina: #80 of 45,564 inventorsTop 1%
Overall (All Time): #8,053 of 4,157,543Top 1%
133 Patents All Time

Issued Patents All Time

Showing 76–100 of 133 patents

Patent #TitleCo-InventorsDate
6606363 Method and apparatus for estimating a frequency offset by combining pilot symbols and data symbols Roozbeh Atarius 2003-08-12
6603827 Method and apparatus for digital symbol detection using medium response estimates Gregory E. Bottomley, Karl Molnar 2003-08-05
6590932 Methods, receiver devices and systems for whitening a signal disturbance in a communication signal Dennis Hui, Kambiz Zangi 2003-07-08
6567475 Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols Paul W. Dent 2003-05-20
6560273 Delay searcher and delay trackers interaction for new delays assignment to rake fingers Essam Sourour, Gregory E. Bottomley 2003-05-06
6519300 System and method for automatic frequency correction in a pilot symbol assisted demodulator 2003-02-11
6518921 Cellular positioning system that compensates for received signal delays in positioning radio receivers David R. Irvin, Karl Molnar 2003-02-11
6493322 Satellite diversity scheme Sandeep Chennakeshu, Amer A. Hassan, Barbara Molnar, Karl Molnar 2002-12-10
6487255 Information generation for coherent demodulation of differentially encoded signals Huseyin Arslan, Gregory E. Bottomley 2002-11-26
6483828 System and method for coding in a telecommunications environment using orthogonal and near-orthogonal codes Kumar Balachandran, Havish Koorapaty, Eric Wang, Sandeep Chennakeshu, Amer A. Hassan 2002-11-19
6463105 Methods and systems for estimation of the carrier to interference ratio for a wireless communication channel 2002-10-08
6449464 Method of reporting signal quality measurements from a mobile terminal with enhanced demodulation algorithm 2002-09-10
6426978 Digital communication systems and methods for differential and/or amplitude encoding and decoding secondary symbols Gregory E. Bottomley 2002-07-30
6411649 Adaptive channel tracking using pilot sequences Huseyin Arslan 2002-06-25
6389295 Communications apparatus and methods for adaptive signal processing based on mobility characteristics 2002-05-14
6381290 Mobile unit for pilot symbol assisted wireless system and method of improving performance thereof Ayman Mostafa 2002-04-30
6374098 Systems and methods for locating remote units operating in a radiocommunication system using an adjunct system Alex Krister Raith, R. David Koilpillai, Gregory E. Bottomley, Havish Koorapaty 2002-04-16
6363105 Flexible sliding correlator for direct sequence spread spectrum systems Essam Sourour, Greg Bottomley, David Barrow, Clarence V. Roberts 2002-03-26
6275538 Technique for finding a starting state for a convolutional feedback encoder Havish Koorapaty, Yi-Pin Eric Wang 2001-08-14
6266534 Systems and methods for locating remote terminals in radiocommunication systems Alex Krister Raith, Karl Molnar, R. David Koilpillai, Havish Koorapaty 2001-07-24
6252918 Method and apparatus for digital symbol detection using medium response estimates Gregory E. Bottomley, Karl Molnar 2001-06-26
6226507 Apparatus and method for selecting between a plurality of antennas utilized by a microcellular communications terminal for reception of a signal Sandeep Chennakeshu 2001-05-01
6212368 Measurement techniques for diversity and inter-frequency mobile assisted handoff (MAHO) Sandeep Chennakeshu, Gregory E. Bottomley 2001-04-03
6198775 Transmit diversity method, systems, and terminals using scramble coding Ali S. Khayrallah, Kambiz Zangi 2001-03-06
6195399 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal Paul W. Dent, Gregory E. Bottomley, Richard H. Myers 2001-02-27