Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8941956 | Switching ground tether circuit | Andrew Tarnow, Edward M. Murphy | 2015-01-27 |
| 7222013 | Throttle phase out control | Tung-Ming Hsieh, Todd M Steinmetz | 2007-05-22 |
| 7217221 | Method for active engine stop of a hybrid electric vehicle | Jy-Jen F. Sah, Gregory A. Hubbard, Todd M Steinmetz, Michael D. Foster | 2007-05-15 |
| 7127337 | Silent operating mode for reducing emissions of a hybrid electric vehicle | William R. Cawthorne, Tung-Ming Hsieh, Gregory A. Hubbard | 2006-10-24 |
| 6832148 | Automatic engine stop and restart mode for reducing emissions of a hybrid electric vehicle | Jyjen F. Sah, Gregory A. Hubbard | 2004-12-14 |