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 101–125 of 147 patents

Patent #TitleCo-InventorsDate
8144414 Data interleaving in tape drives Giovanni Cherubini, Evangelos S. Eleftheriou, Thomas Mittelholzer 2012-03-27
8139304 Tape layout design for reliable ECC decoding Thomas Mittelholzer, Kenji Ohtani, Paul J. Seger, Keisuke Tanaka 2012-03-20
8139302 Detecting a periodic sequence of servo signals Nhan X. Bui, Robert A. Hutchins, Thomas Mittelholzer, Kazuhiro Tsuruta 2012-03-20
8112696 Apparatus for providing error correction capability to longitudinal position data Evangelos S. Eleftheriou, Glen Alan Jaquette, Paul J. Seger 2012-02-07
8027111 Word synchronization for servo read signals in tape drives Giovanni Cherubini, Evangelos S. Eleftheriou, Jens Jelitto 2011-09-27
8023223 Combining information from parallel servo channels Nhan X. Bui, Giovanni Cherubini, Robert A. Hutchins, Jens Jelitto, Kazuhiro Tsuruta 2011-09-20
8000057 Combining information from parallel servo channels Nhan X. Bui, Giovanni Cherubini, Robert A. Hutchins, Jens Jelitto, Kazuhiro Tsuruta 2011-08-16
7982988 Combining information from parallel servo channels Nhan X. Bui, Giovanni Cherubini, Robert A. Hutchins, Jens Jelitto, Kazuhiro Tsuruta 2011-07-19
7881008 Joint specification of servo format and servo reader parameters for tape drive systems Giovanni Cherubini, Laurent A. Dellmann, Evangelos S. Eleftheriou, Mark A. Lantz 2011-02-01
7876516 Rewrite-efficient ECC/interleaving for multi-track recording on magnetic tape Evangelos S. Eleftheriou, Hisato Matsuo, Thomas Mittelholzer, Paul J. Seger, Keisuke Tanaka 2011-01-25
7864487 Head design for writing servo patterns on magnetic tape Giovanni Cherubini, Evangelos S. Eleftheriou, Jens Jelitto, Mark A. Lantz 2011-01-04
7839599 Combining information from parallel servo channels Nhan X. Bui, Giovanni Cherubini, Robert A. Hutchins, Jens Jelitto, Kazuhiro Tsuruta 2010-11-23
7813070 Error correction capability for longitudinal position data in a tape storage system Evangelos S. Eleftheriou, Paul J. Seger 2010-10-12
7813077 Apparatus, system, and method for detecting a periodic sequence of servo signals Nhan X. Bui, Robert A. Hutchins, Thomas Mittelholzer, Kazuhiro Tsuruta 2010-10-12
7787204 Error correction coding of longitudinal position information Giovanni Cherubini, Evangelos S. Eleftheriou, Robert A. Hutchins 2010-08-31
7742254 Servo channel for tape drive systems Giovanni Cherubini, Evangelos S. Eleftheriou, Robert A. Hutchins, Jens Jelitto 2010-06-22
7719444 Modulation coding 2010-05-18
7694205 Method and apparatus for providing a read channel having combined parity and non-parity post processing Ajay Dholakia, Evangelos S. Eleftheriou, Richard Leo Galbraith, Weldon M. Hanson, Thomas Mittelholzer +1 more 2010-04-06
7679535 High-rate RLL encoding Evangelos S. Eleftheriou, Thomas Mittelholzer, Paul J. Seger, Keisuke Tanaka 2010-03-16
7574646 Data storage systems Ajay Dholakia, Evangelos S. Eleftheriou, Thomas Mittelholzer 2009-08-11
7486208 High-rate RLL encoding Evangelos S. Eleftheriou, Thomas Mittelholzer, Paul J. Seger, Keisuke Tanaka 2009-02-03
7432834 RLL encoding for LTO-5 tape Paul J. Seger, Keisuke Tanaka 2008-10-07
7421640 Method and apparatus for providing error correction capability to longitudinal position data Evangelos S. Eleftheriou, Glen Alan Jaquette, Paul J. Seger 2008-09-02
7395482 Data storage systems Ajay Dholakia, Evangelos S. Eleftheriou, Richard Leo Galbraith, Weldon M. Hanson, Thomas Mittelholzer +1 more 2008-07-01
7286595 Apparatus using a lengthened equalization target filter with a matched filter metric in a viterbi detector Ajay Dholakia, Evangelos S. Eleftheriou, Richard Leo Galbraith, Thomas Mittelholzer, Travis Roger Oenning 2007-10-23