Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8299768 | PWM voltage converter with redundancy and feedback adjustment | Harold William Satterfield | 2012-10-30 |
| 7700977 | Integrated circuit with a subsurface diode | Michael D. Church, Alexander Kalnitsky, Michael Ray Jayne, Thomas A. Jochum | 2010-04-20 |
| 7612465 | Power supply circuit containing multiple DC-DC converters having programmable output current capabilities | — | 2009-11-03 |
| 7345378 | Power supply circuit containing multiple DC—DC converters having programmable output current capabilities | — | 2008-03-18 |
| 7206343 | High resolution digital pulse width modulator for DC-DC voltage converter | — | 2007-04-17 |
| 7141941 | Staggering switching signals for multiple cold cathode fluorescent lamp backlighting system to reduce electromagnetic interference | Robert L. Lyle, Jr. | 2006-11-28 |
| 7076070 | Monolithic class D amplifier | Donald F. Hemmenway | 2006-07-11 |
| 6946897 | Technique for measuring temperature and current via a MOSFET of a synchronous buck voltage converter | — | 2005-09-20 |
| 6906536 | Time division multiplexed, piloted current monitoring in a switched mode DC—DC voltage converter and phase current measurement calibration for a multiphase converter | William David Bartlett | 2005-06-14 |
| 6819190 | Robust fractional clock-based pulse generator for digital pulse width modulator | William David Bartlett | 2004-11-16 |
| 6812108 | BICMOS process with low temperature coefficient resistor (TCRL) | Donald F. Hemmenway, Jose Avelino Delgado, John Butler, Anthony L. Rivoli, Michael D. Church +2 more | 2004-11-02 |
| 6798024 | BiCMOS process with low temperature coefficient resistor (TCRL) | Donald F. Hemmenway, Jose Avelino Delgado, John Butler, Anthony L. Rivoli, Michael D. Church +2 more | 2004-09-28 |
| 6791304 | Electronic device including multiphase switching regulator and related methods | Nicolaas W. Van Vonno | 2004-09-14 |
| 5973368 | Monolithic class D amplifier | Donald F. Hemmenway | 1999-10-26 |
| 5920108 | Late process method and apparatus for trench isolation | Donald F. Hemmenway | 1999-07-06 |
| 5872044 | Late process method for trench isolation | Donald F. Hemmenway | 1999-02-16 |
| 5837553 | Method of making high voltage, junction isolation semiconductor device having dual conductivity type buried regions | — | 1998-11-17 |
| 5777362 | High efficiency quasi-vertical DMOS in CMOS or BICMOS process | — | 1998-07-07 |
| 5689129 | High efficiency power MOS switch | — | 1997-11-18 |
| 5684305 | Pilot transistor for quasi-vertical DMOS device | — | 1997-11-04 |
| 5648678 | Programmable element in barrier metal device | Patrick A. Begley, John T. Gasner, Choong-Sun Rhee, Jeanne M. McNamara, John J. Hackenberg +1 more | 1997-07-15 |
| 5580816 | Local oxidation process for high field threshold applications | Donald F. Hemmenway | 1996-12-03 |
| 5567978 | High voltage, junction isolation semiconductor device having dual conductivity tape buried regions and its process of manufacture | — | 1996-10-22 |
| 4908683 | Technique for elimination of polysilicon stringers in direct moat field oxide structure | Dyer A. Matlock, Richard L. Lichtel, Jr. | 1990-03-13 |
| 4829359 | CMOS device having reduced spacing between N and P channel | Kenneth K. O, Dyer A. Matlock | 1989-05-09 |