Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10490975 | Laser diode driver damping circuit | Douglas Warren Dean | 2019-11-26 |
| 9787057 | Laser diode driver damping circuit | Douglas Warren Dean | 2017-10-10 |
| 9183873 | Laser diode driver damping circuit | Douglas Warren Dean | 2015-11-10 |
| 8014098 | Technique for duty cycle shift in hard disk drive write system | Jeremy Kuehlwein | 2011-09-06 |
| 7375912 | Disk drive fly height control based on constant power dissipation in read/write head heaters | Indumini Ranmuthu, Siang Tong Tan | 2008-05-20 |
| 7190214 | Amplifier apparatus for use with a sensor | Raymond Barnett | 2007-03-13 |
| 6696896 | Method for implementing high frequency programmable poles and zeros in disk drive preamplifiers | Jeremy Kuehlwein | 2004-02-24 |
| 6246269 | Programmable damping for write circuits | John A. Schuler | 2001-06-12 |
| 6111716 | Referenced magnetoresistives sensor band pass preamplifier | Tuan V. Ngo, Douglas R. Peterson | 2000-08-29 |
| 5894237 | Write driver with buffer circuits between pull-up resistors and upper drive transistors | John J. Price, Jr., Jeremy Kuehlwein | 1999-04-13 |
| 5886568 | Open-loop MR biasing circuit with high power supply and common mode rejection | Tuan V. Ngo | 1999-03-23 |
| 5831784 | Pseudo differential voltage sense MR preamplifier with improved bandwidth | Raymond Barnett, Tuan V. Ngo | 1998-11-03 |
| 5812019 | Open-loop MR biasing circuit with high power supply and common mode rejection | Tuan V. Ngo | 1998-09-22 |
| 5793551 | Amplifier having a differential input capacitance cancellation circuit | Tuan V. Ngo, Raymond Barnett | 1998-08-11 |
| 5757566 | Direct AC-coupled amplifier with improved common mode rejection for MR heads | Tuan V. Ngo | 1998-05-26 |
| 5612828 | Write driver with improvements for risetime | Doug R. Peterson, Pete J. Jung | 1997-03-18 |
| 5398144 | Bias generator for a low voltage differential read amplifier | — | 1995-03-14 |
| 5345346 | Positive feedback low input capacitance differential amplifier | Tuan V. Ngo | 1994-09-06 |
| 5311146 | Current mirror for low supply voltage operation | Tuan V. Ngo, John J. Price, Jr. | 1994-05-10 |
| 5257146 | Magnetic head swing clamp and cross-talk eliminator for read/write preamplifier | John J. Price, Jr. | 1993-10-26 |
| 5206605 | High breakdown voltage/low input capacitance amplifier | John J. Price, Jr. | 1993-04-27 |
| 5087884 | Open head detection circuit and method | — | 1992-02-11 |