Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9341597 | Nanoscale spintronic chemical sensor | Thomas M. Crawford | 2016-05-17 |
| 9275656 | Disk drive with channel and preamp with dynamic write-current control for write head | John Contreras, Weldon M. Hanson, Alexander Taratorin | 2016-03-01 |
| 9218822 | Disk drive with preamplifier with isolation for multiple readers in a slider with a common return signal | John Contreras, Rehan Ahmed Zakai | 2015-12-22 |
| 9117474 | Implementing write head device for contact detection and spacing sensing | John Contreras, Timothy Scott Hughbanks, Albert John Wallash | 2015-08-25 |
| 9111561 | Magnetic recording disk drive with write current overshoot amplitude (OSA) responsive to data transitions | John Contreras, Weldon M. Hanson, Rehan Ahmed Zakai | 2015-08-18 |
| 9099128 | Implementing noise based detection of spin torque oscillator power-on in microwave-assisted magnetic recording (MAMR) hard disk drives | John Contreras, Rehan Ahmed Zakai | 2015-08-04 |
| 9063057 | Nanoscale spintronic chemical sensor | Thomas M. Crawford | 2015-06-23 |
| 9030770 | Programmable analog feed-forward timer for dynamic wave shaping | John Contreras | 2015-05-12 |
| 9030783 | Phase detection of spin torque oscillator reader excited through parametric excitation | Patrick M. Braganca, Bruce Alvin Gurney, Keyu Pi, Rehan Ahmed Zakai, Jian Zhu | 2015-05-12 |
| 9001444 | Implementing spin torque oscillator power-on oscillation checker for microwave-assisted magnetic recording hard disk drives | John Contreras, Rehan Ahmed Zakai | 2015-04-07 |
| 8982504 | Implementing calibration of cooling sensitivity of embedded contact sensor (ECS) signal using thermal fly-height control (TFC) actuations | John Contreras, Saurabh Deoras, Remmelt Pit, Craig K. Yanagisawa | 2015-03-17 |
| 8917465 | Implementing spin torque oscillator power-on oscillation checker using ramped STO bias differentiator in microwave-assisted magnetic recording (MAMR) hard disk drives | John Contreras, Ikuya Tagawa, Rehan Ahmed Zakai | 2014-12-23 |
| 8906695 | Nanoscale spintronic chemical sensor | Thomas M. Crawford | 2014-12-09 |
| 8891189 | Disk drive with filter compensation integrated in sliders for high-bandwidth read sensors | John Contreras, Bruce Alvin Gurney, David J. Seagle | 2014-11-18 |
| 8842383 | Laser power sensor with dual temperature sensor | Hamid Balamane, John Contreras, Fu-Ying Huang, Lidu Huang, Barry Cushing Stipe | 2014-09-23 |
| 8830614 | Balanced embedded contact sensor with low noise architecture | Rehan Ahmed Zakai, John Contreras | 2014-09-09 |
| 8824091 | Media topography driven flying height modulation sensing using embedded contact sensor | John Contreras, Saurabh Deoras, Kenichi Kuramoto, Remmelt Pit | 2014-09-02 |
| 8824077 | Perpendicular magnetic recording write head with ladder network compensation circuitry on slider body for write current overshoot at write current switching | John Contreras, David J. Seagle | 2014-09-02 |
| 8804263 | DC-offset adjustment for balanced embedded contact sensor | John Contreras, Rehan Ahmed Zakai | 2014-08-12 |
| 8730607 | Thermoelectric voltage-based differential contact sensor | John Contreras, Lidu Huang, Gurinder Singh | 2014-05-20 |
| 8482872 | Distributed temperature detector architecture for head disk interface systems | John Contreras, Rehan Ahmed Zakai | 2013-07-09 |
| 8372344 | Nanoscale spintronic chemical sensor | Thomas M. Crawford | 2013-02-12 |