RG

Richard Leo Galbraith

WT Western Digital Technologies: 48 patents #21 of 3,180Top 1%
IBM: 41 patents #2,268 of 70,183Top 4%
HG HGST: 27 patents #39 of 1,677Top 3%
HB Hgst Netherlands, B.V.: 20 patents #19 of 972Top 2%
📍 Rochester, MN: #13 of 3,042 inventorsTop 1%
🗺 Minnesota: #94 of 52,454 inventorsTop 1%
Overall (All Time): #7,608 of 4,157,543Top 1%
136
Patents All Time

Issued Patents All Time

Showing 76–100 of 136 patents

Patent #TitleCo-InventorsDate
7725800 Decoding techniques for correcting errors using soft information Shaohua Yang, Ksenija Lakovic, Yuan Xing Lee, Travis Roger Oenning, Jongseung Park +2 more 2010-05-25
7694205 Method and apparatus for providing a read channel having combined parity and non-parity post processing Roy D. Cideciyan, Ajay Dholakia, Evangelos S. Eleftheriou, Weldon M. Hanson, Thomas Mittelholzer +1 more 2010-04-06
7675703 Magnetic recording disk drive with patterned media and system for clocking write data Thomas R. Albrecht, David Timothy Flynn, Michael Moser, Bruce A. Wilson, Xiao Z. Wu 2010-03-09
7590920 Reduced complexity error correction encoding techniques Shaohua Yang, Mario Blaum, Ksenija Lakovic, Yuan Xing Lee, Travis Roger Oenning +2 more 2009-09-15
7424074 Optimizing detector target polynomials in read/write channels to achieve best error rate performance in disk drives Yuan Xing Lee, Travis Roger Oenning, Weldon M. Hanson 2008-09-09
7395482 Data storage systems Roy D. Cideciyan, Ajay Dholakia, Evangelos S. Eleftheriou, 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 Roy D. Cideciyan, Ajay Dholakia, Evangelos S. Eleftheriou, Thomas Mittelholzer, Travis Roger Oenning 2007-10-23
7245444 Method and apparatus for providing a read channel having imbedded channel signal analysis Travis Roger Oenning, Eric Tree, Bruce A. Wilson 2007-07-17
7206146 Biphase magnetic pattern detector using multiple matched filters for hard disk drive David Timothy Flynn, Travis Roger Oenning 2007-04-17
7193800 Data recording medium with servo pattern having pseudo-noise sequences Jonathan Darrel Coker, David Timothy Flynn 2007-03-20
7193802 Apparatus for providing dynamic equalizer optimization Roy D. Cideciyan, Ajay Dholakia, Evangelos S. Eleftheriou, Weldon M. Hanson, Thomas Mittelholzer +3 more 2007-03-20
7173784 Apparatus for providing data dependent detection in a data read channel Roy D. Cideciyan, Ajay Dholakia, Evangelos S. Eleftheriou, 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, Evangelos S. Eleftheriou, Roy D. Cideciyan 2007-01-16
7071851 Techniques for implementing non-uniform constraints in modulation encoded data Mario Blaum, Roy D. Cideciyan, Evangelos S. Eleftheriou, Ksenija Lakovic, Thomas Mittelholzer +2 more 2006-07-04
7064687 Techniques for modulating data using short block encoders Mario Blaum, Roy D. Cideciyan, Evangelos S. Eleftheriou, Ksenija Lakovic, Thomas Mittelholzer +2 more 2006-06-20
7030789 Techniques for applying modulation constraints to data using periodically changing symbol mappings Roy D. Cideciyan, Evangelos S. Eleftheriou, 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 Roy D. Cideciyan, Jonathan Darrel Coker, Evangelos S. Eleftheriou, Todd Carter Truax 2006-03-07
6995938 Data recording system with servo pattern having pseudo-noise sequences Jonathan Darrel Coker, David Timothy Flynn 2006-02-07
6937650 Method and apparatus for channel equalization with a digital FIR filter using a pseudo random sequence Jonathan Darrel Coker, Eric Tree 2005-08-30
6937415 Method and apparatus for enhanced data channel performance using read sample buffering Weldon M. Hanson, Travis Roger Oenning 2005-08-30
6901119 Method and apparatus for implementing soft-input/soft-output iterative detectors/decoders Roy D. Cideciyan, Jonathan Darrel Coker, Ajay Dholakia, Evangelos S. Eleftheriou, Thomas Mittelholzer +1 more 2005-05-31
6895547 Method and apparatus for low density parity check encoding of data Evangelos S. Eleftheriou, Sedat Oelcer 2005-05-17
6879629 Method and apparatus for enhanced timing loop for a PRML data channel David James Stanek 2005-04-12
6812867 Data coding for data storage systems Roy D. Cideciyan, Ajay Dholakia, Evangelos S. Eleftheriou, Thomas Mittelholzer, Travis Roger Oenning +1 more 2004-11-02
6720698 Electrical pulse generator using pseudo-random pole distribution 2004-04-13