Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806771 | Multimode output stage converting differential to single-ended signals using current-mode input signals | Jian-Xin Li, Hans Klein | 2004-10-19 |
| 6717451 | Precision analog level shifter with programmable options | Hans Klein, Joey Doernberg, Jian-Xin Li | 2004-04-06 |
| 6583652 | Highly linear programmable transconductor with large input-signal range | Hans Klein, Jian-Xin Li | 2003-06-24 |
| 6563371 | Current bandgap voltage reference circuits and related methods | Frederick Buckley, III | 2003-05-13 |
| 5051882 | Three reservoir capacitor charge pump circuit | Michael Grimm | 1991-09-24 |
| 4888677 | Three reservoir capacitor | Michael Grimm | 1989-12-19 |