DJ

Douglas W. Johnson

IM Imation: 37 patents #1 of 622Top 1%
IBM: 12 patents #9,222 of 70,183Top 15%
FJ Fort James: 11 patents #18 of 211Top 9%
BI Benchmark Storage Innovations: 1 patents #4 of 17Top 25%
Illinois Tool Works: 1 patents #2,292 of 4,258Top 55%
LG Landmark Graphics: 1 patents #262 of 543Top 50%
Overall (All Time): #32,060 of 4,157,543Top 1%
67
Patents All Time

Issued Patents All Time

Showing 25 most recent of 67 patents

Patent #TitleCo-InventorsDate
10133831 Method and system of predicting future hydrocarbon production Gustavo Carvajal, Alvin Stanley Cullick, Hatem Nasr 2018-11-20
8947802 Methods and systems for magnetic media servo writing Roni J. Dornfeld, Stephen J. Rothermel 2015-02-03
8867157 Perpendicular pole head for servo writing magnetic media Larold L. Olson, Yung Yip, Stephen J. Rothermel 2014-10-21
8867167 Tapered pole heads for magnetic media Stephen J. Rothermel 2014-10-21
8817415 Erasure of magnetic storage media having perpendicular anisotropy Larold L. Olson, Michael P. Sharrock 2014-08-26
8804276 Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy Larold L. Olson, Michael P. Sharrock 2014-08-12
8797674 Servo mark length matched to write head gap for magnetic storage media Larold L. Olson, Michael P. Sharrock 2014-08-05
8767342 Erasure and servowriting of magnetic storage media having perpendicular anistropy Larold L. Olson, Michael P. Sharrock 2014-07-01
8760802 Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer Stephen J. Rothermel 2014-06-24
8643968 Methods and systems for magnetic media servo writing Roni J. Dornfeld, Stephen J. Rothermel 2014-02-04
7889454 Distributed servo patterns for data storage media James S. Anderson, David A. Gobran, Denis J. Langlois 2011-02-15
7878745 U-nut fastener and collated strip thereof Anthony A. Allen, Don Hinson, John M. Kosidlo, Troy D. Carman 2011-02-01
7835108 Data storage tape recertification Yung Yip 2010-11-16
7595950 Robust data storage techniques for two-sided data storage tape Larold L. Olson, Brian D. Findlay, C. Thomas Jennings, Denis J. Langlois, Richard W. Molstad 2009-09-29
7495859 Interleaved servo pattern Mark P. Weber, Richard E. Jewett, Richard W. Molstad, Alan R. Olson 2009-02-24
7466510 Distributed servo patterns for data storage media James S. Anderson, David A. Gobran, Denis J. Langlois 2008-12-16
7436622 Concurrent servo and data track writing Denis J. Langlois 2008-10-14
7379254 Mixed frequency amplitude-based servo pattern Denis J. Langlois 2008-05-27
7342748 System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads Yung Yip, James S. Anderson, Denis J. Langlois, Richard W. Molstad 2008-03-11
7204446 Data storage tape guiding systems using tapered guides James S. Anderson, Richard W. Molstad, Robert W. Tapani 2007-04-17
7204445 Guide arrangements for data storage tape guiding systems Allan R. Markert, Wayne P. Schaefer, Robert W. Tapani 2007-04-17
7173794 Accessing both sides of data storage tape Richard W. Molstad, Robert W. Tapani 2007-02-06
7139151 Band identification in time-based servopositioning formats Yung Yip 2006-11-21
7095583 Dual mode servo pattern Denis J. Langlois, Richard W. Molstad, Yung Yip 2006-08-22
7079343 Time-based sectored servo data format Richard W. Molstad, Durkee B. Richards 2006-07-18