Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8258828 | Summation circuit in DC-DC converter | Jun Liu | 2012-09-04 |
| 8109350 | Polycrystalline abrasive composite cutter | Zhigang Fang, Stephen C. Johnson | 2012-02-07 |
| 7953036 | System for registration of communication devices | Xidong Wu, Donggen Zhang | 2011-05-31 |
| 7928719 | Zero current detector for a DC-DC converter | Ligang Jia | 2011-04-19 |
| 6577517 | Pulse with modulation control circuit for a high frequency series resonant AC/DC converter | Praveen Jain | 2003-06-10 |
| 6519168 | High frequency DC to AC inverter | Praveen Jain | 2003-02-11 |