Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12125509 | Dark laser heating by positive pulse biasing in heat assisted magnetic recording | John Contreras, Sukumar Rajauria, Joey M. Poss, Xinzhi Xing | 2024-10-22 |
| 11456022 | Distributed grouped terminations for multiple memory integrated circuit systems | John Contreras, Srinivas Rajendra, Sayed Mobin | 2022-09-27 |
| 11302645 | Printed circuit board compensation structure for high bandwidth and high die-count memory stacks | John Contreras, Sayed Mobin, Daniel Oh | 2022-04-12 |
| 11303276 | Active low-power termination | John Contreras, Srinivas Rajendra, Venkatesh Ramachandra | 2022-04-12 |
| 10564053 | HAMR thermal sensor with fast response time | John Contreras, Lidu Huang, Shen Ren, Erhard Schreck | 2020-02-18 |
| 10461965 | Active low-power termination | John Contreras, Sayed Mobin | 2019-10-29 |
| 10283150 | Suspension adjacent-conductors differential-signal-coupling attenuation structures | John Contreras, Albert John Wallash, Tzong-Shii Pan | 2019-05-07 |
| 10175122 | HAMR thermal sensor with fast response time | John Contreras, Lidu Huang, Shen Ren, Erhard Schreck | 2019-01-08 |
| 10056098 | Data storage device employing multi-mode sensing circuitry for multiple head sensor elements | Sukumar Rajauria, Erhard Schreck, John Contreras, Joey M. Poss, Robert L. Smith +1 more | 2018-08-21 |
| 9218822 | Disk drive with preamplifier with isolation for multiple readers in a slider with a common return signal | John Contreras, Samir Y. Garzon | 2015-12-22 |
| 9196266 | Integrated lead suspension (ILS) for two-dimensional magnetic recording (TDMR) disk drive | John Contreras, Albert John Wallash | 2015-11-24 |
| 9117469 | Suspension design with split substrate for improved interference signal immunity | John Contreras, Albert John Wallash | 2015-08-25 |
| 9111561 | Magnetic recording disk drive with write current overshoot amplitude (OSA) responsive to data transitions | John Contreras, Samir Y. Garzon, Weldon M. Hanson | 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, Samir Y. Garzon | 2015-08-04 |
| 9036305 | Magnetic recording disk drive with write driver to write head transmission line with multiple segments having different numbers of conductive traces | John Contreras, Nobumasa Nishiyama, Eiji Soga, Kazuhiro Nagaoka | 2015-05-19 |
| 9030783 | Phase detection of spin torque oscillator reader excited through parametric excitation | Patrick M. Braganca, Samir Y. Garzon, Bruce Alvin Gurney, Keyu Pi, Jian Zhu | 2015-05-12 |
| 9001444 | Implementing spin torque oscillator power-on oscillation checker for microwave-assisted magnetic recording hard disk drives | John Contreras, Samir Y. Garzon | 2015-04-07 |
| 8988829 | Disk drive with preamplifier for multiple readers in a slider with a common return signal | John Contreras, Joey M. Poss | 2015-03-24 |
| 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, Samir Y. Garzon, Ikuya Tagawa | 2014-12-23 |
| 8830614 | Balanced embedded contact sensor with low noise architecture | Samir Y. Garzon, John Contreras | 2014-09-09 |
| 8804263 | DC-offset adjustment for balanced embedded contact sensor | John Contreras, Samir Y. Garzon | 2014-08-12 |
| 8675311 | Interleaved conductor structure with wrap around traces | John Contreras, Nobumasa Nishiyama, Edgar D. Rothenberg, Yiduo Zhang | 2014-03-18 |
| 8654465 | Implementing spin-torque oscillator sensing with enhanced demodulator for hard disk drives | Patrick M. Braganca, Richard Leo Galbraith, Bruce Alvin Gurney, Neil Smith, Bruce A. Wilson | 2014-02-18 |
| 8598460 | Interleaved conductor structure with offset traces | John Contreras, Nobumasa Nishiyama, Edgar D. Rothenberg, Yiduo Zhang | 2013-12-03 |
| 8570677 | Implementing spin-torque oscillator sensing with enhanced integrated demodulator for hard disk drives | Patrick M. Braganca, Richard Leo Galbraith, Bruce Alvin Gurney, Neil Smith, Bruce A. Wilson | 2013-10-29 |