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

Roy D. Cideciyan — 147 Patents

IBM: 133 patents #353 of 70,183Top 1%
HGHGST: 9 patents #193 of 1,677Top 15%
Globalfoundries: 4 patents #817 of 4,424Top 20%
Thalwil, CH: #2 of 384 inventorsTop 1%
Overall (All Time): #6,475 of 4,157,543Top 1%
147 Patents All Time

Issued Patents All Time

Showing 126–147 of 147 patents

Patent #TitleCo-InventorsDate
7193802 Apparatus for providing dynamic equalizer optimization Ajay Dholakia, Evangelos S. Eleftheriou, Richard Leo Galbraith, Weldon M. Hanson, Thomas Mittelholzer +3 more 2007-03-20
7173784 Apparatus for providing data dependent detection in a data read channel Ajay Dholakia, Evangelos S. Eleftheriou, Richard Leo Galbraith, Thomas Mittelholzer, Travis Roger Oenning 2007-02-06
7164371 Method and apparatus for data coding for high density recording channels exhibiting low frequency contents Yuan Xing Lee, Ismail Demirkan, Richard Leo Galbraith, Evangelos S. Eleftheriou 2007-01-16
7071851 Techniques for implementing non-uniform constraints in modulation encoded data Mario Blaum, Evangelos S. Eleftheriou, Richard Leo Galbraith, Ksenija Lakovic, Thomas Mittelholzer +2 more 2006-07-04
7064687 Techniques for modulating data using short block encoders Mario Blaum, Evangelos S. Eleftheriou, Richard Leo Galbraith, Ksenija Lakovic, Thomas Mittelholzer +2 more 2006-06-20
7030789 Techniques for applying modulation constraints to data using periodically changing symbol mappings Evangelos S. Eleftheriou, Richard Leo Galbraith, Thomas Mittelholzer, Travis Roger Oenning 2006-04-18
7010065 Method and apparatus for word synchronization with large coding distance and fault tolerance for PRML systems Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith, Todd Carter Truax 2006-03-07
6901119 Method and apparatus for implementing soft-input/soft-output iterative detectors/decoders Jonathan Darrel Coker, Ajay Dholakia, Evangelos S. Eleftheriou, Richard Leo Galbraith, Thomas Mittelholzer +1 more 2005-05-31
6812867 Data coding for data storage systems Ajay Dholakia, Evangelos S. Eleftheriou, Richard Leo Galbraith, Thomas Mittelholzer, Travis Roger Oenning +1 more 2004-11-02
6768603 Precompensation technique and MTR code for high data rate recording Evangelos S. Eleftheriou, Brian Harry Marcus, Dharmendra S. Modha, Radley Wahl Olson 2004-07-27
6643814 Maximum transition run encoding and decoding systems Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith, Dave James Stanek 2003-11-04
6557124 Method and system for encoding data for high performance error control Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith, Todd Carter Truax 2003-04-29
6460150 Noise-predictive post-processing for PRML data channel Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith 2002-10-01
6377635 Method and apparatus for viterbi detection of generalized partial response signals using partial matched filter and matched filter metrics Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith, David James Stanek 2002-04-23
6373906 Method and apparatus for Viterbi detection of generalized partial response signals including two-way add/compare/select for improved channel speed Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith, Allen Haar, Frank Ray Keyser, III +1 more 2002-04-16
6222879 Self contained equalization method and apparatus Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith, John Jeffrey Stephenson 2001-04-24
6181683 Packet data transmission in code-division multiple access communication systems Pierre R. Chevillat, Marcel Rupf, Wolfgang Schott 2001-01-30
6158027 Enhanced noise-predictive maximum likelihood (NPML) data detection method and apparatus for direct access storage device (DASD) Gregory S. Bush, Jonathan Darrel Coker, Evangelos S. Eleftheriou, Richard Leo Galbraith, David James Stanek 2000-12-05
5331320 Coding method and apparatus using quaternary codes Evangelos S. Eleftheriou 1994-07-19
5245339 Flexible encoding method and architecture for high speed data transmission and storage 1993-09-14
5241309 Data coding for fast start-up of PRML receivers Francois B. Dolivo 1993-08-31
5177482 RLL encoder and decoder with pipelined plural byte processing Erwin A. Zurfluh 1993-01-05