Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9053249 | Removable memory cartridge and docking station compatible with media drive expansion slots | David M. Perry, Christopher Thomas Bukowski, Chris Zwettler, George P. Rambosek, Kellan Pauly +5 more | 2015-06-09 |
| 8867157 | Perpendicular pole head for servo writing magnetic media | Douglas W. Johnson, Larold L. Olson, Stephen J. Rothermel | 2014-10-21 |
| 7835108 | Data storage tape recertification | Douglas W. Johnson | 2010-11-16 |
| 7558899 | Dongle configured to electrically couple a data storage device and a host computing device | — | 2009-07-07 |
| 7342748 | System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads | James S. Anderson, Douglas W. Johnson, Denis J. Langlois, Richard W. Molstad | 2008-03-11 |
| 7265928 | Data storage cartridge with worm write-protection | — | 2007-09-04 |
| 7206170 | Thin film servo head apparatus with canted servo gaps | — | 2007-04-17 |
| 7199958 | Servo head with varying write gap width | Mark P. Weber | 2007-04-03 |
| 7168081 | Domain stabilized magneto-optic head | — | 2007-01-23 |
| 7142381 | Servo writing devices for creating servo patterns with inherent track ID | Richard W. Molstad | 2006-11-28 |
| 7139151 | Band identification in time-based servopositioning formats | Douglas W. Johnson | 2006-11-21 |
| 7095583 | Dual mode servo pattern | Douglas W. Johnson, Denis J. Langlois, Richard W. Molstad | 2006-08-22 |
| 7072133 | Servo mark verify head | Stephen J. Rothermel | 2006-07-04 |
| 7054097 | Tape guiding techniques for a dual actuator read-while-write recording system | Douglas W. Johnson | 2006-05-30 |
| 7050264 | Linear magnetic tape head with tape contact area projected minimal height above non-rotating contoured head surface | Saeed Fahimi | 2006-05-23 |
| 7038872 | Servo patterns with inherent track ID | Richard W. Molstad | 2006-05-02 |
| 7038871 | Multi-band servo patterns with inherent track ID | Richard W. Molstad | 2006-05-02 |
| 7031097 | Systems and methods for using noise measurement tracks with servopositioning signals | Richard W. Molstad, Douglas W. Johnson | 2006-04-18 |
| 6999269 | Two-sided data storage tape with servo information on both sides of the tape | Douglas W. Johnson, Richard W. Molstad | 2006-02-14 |
| 6999258 | Time-based servopositioning systems | Richard W. Molstad | 2006-02-14 |
| 6995934 | Noise suppressed data storage media | Alexander Roesler | 2006-02-07 |
| 6970312 | Full amplitude time-based servopositioning signals | Richard W. Molstad | 2005-11-29 |
| 6952317 | Amplitude-based servo patterns for magnetic media | Richard W. Molstad | 2005-10-04 |
| 6940672 | Azimuthal transition layout for two-sided data storage tape | Daniel P. Stubbs | 2005-09-06 |
| 6914756 | Bidirectional read-while-write data recording system | Richard W. Molstad, Tim T. Ngo | 2005-07-05 |