Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139849 | Simple CMOS threshold voltage extraction circuit | Xiaoxin Feng | 2018-11-27 |
| 8975952 | CMOS logic circuit using passive internal body tie bias | Paul S. Fechner, James D. Seefeldt | 2015-03-10 |
| 8390352 | Apparatus and method for compensating for process, voltage, and temperature variation of the time delay of a digital delay line | James D. Seefeldt, Xiaoxin Feng | 2013-03-05 |
| 8355478 | Circuit for aligning clock to parallel data | James D. Seefeldt, James R. Hansen | 2013-01-15 |
| 8115515 | Radiation hardened differential output buffer | — | 2012-02-14 |
| 7839195 | Automatic control of clock duty cycle | Xiaoxin Feng, James D. Seefeldt | 2010-11-23 |
| 7131033 | Substrate configurable JTAG ID scheme | Edward L. Grivna | 2006-10-31 |
| 6900663 | Low voltage differential signal driver circuit and method | Xiaoxin Feng | 2005-05-31 |
| 6813318 | Process transmitter having a step-up converter for powering analog components | Brian L. Westfield, David G. Tyson | 2004-11-02 |