Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7146506 | Digital video display system | Eric C. Hannah, Carol A. Jacobson | 2006-12-05 |
| 6188392 | Electronic pen device | Michael O'Connor | 2001-02-13 |
| 5276888 | Computer system with interrupts transparent to its operating system and application programs | James P. Kardach, Gregory S. Mathews, Cau L. Nguyen, Sung-Soo Cho, Kameswaran Sivamani +2 more | 1994-01-04 |
| 5175853 | Transparent system interrupt | James P. Kardach, Gregory S. Mathews, Cau L. Nguyen, Sung-Soo Cho, Kameswaran Sivamani +2 more | 1992-12-29 |