Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084792 | Power converter with circuits for providing gate driving | Wei Chen, Guichao Hua, Stephen James Butler | 2000-07-04 |
| 5999433 | Half-bridge DC to DC converter with low output current ripple | Guichao Hua, Xinfu Zhuang | 1999-12-07 |
| 4884183 | Dual-mode controlled pulse width modulator | — | 1989-11-28 |
| 4688250 | Apparatus and method for effecting a key change via a cryptographically protected link | Donald G. Corrington, Stephen D. Hawkins | 1987-08-18 |