Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843310 | Duty cycle calibration circuit | — | 2017-12-12 |
| 9712183 | Axially and centrally symmetric current source array | Keith F. Ma | 2017-07-18 |
| 9673789 | Duty cycle calibration circuit | — | 2017-06-06 |
| 9583631 | Transistors with uniform density of poly silicon | Keith F. Ma | 2017-02-28 |