Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11964680 | Transaxle of rail vehicle, rail vehicle, and rail transportation system | Kang Zhou, Jingjing Wang, Jia Wei, Huiyue Liu | 2024-04-23 |
| 11493022 | Vertical axis wind-powered generator using guided carts | — | 2022-11-08 |
| 10730596 | Submarine support ship | — | 2020-08-04 |
| 6486616 | Dual control dimming ballast | Sameer Sodhi | 2002-11-26 |
| 6229271 | Low distortion line dimmer and dimming ballast | — | 2001-05-08 |
| 6194845 | Ballasts with tapped inductor arrangements for igniting and powering high intensity discharge lamps | John G. Konopka | 2001-02-27 |
| 5969483 | Inverter control method for electronic ballasts | Edward Li, Anand K. Upadhyay, Dennis L. Stephens | 1999-10-19 |
| 5945788 | Electronic ballast with inverter control circuit | Edward Li, Anand K. Upadhyay, Dennis L. Stephens | 1999-08-31 |
| 5729096 | Inverter protection method and protection circuit for fluorescent lamp preheat ballasts | Anand K. Upadhyay | 1998-03-17 |
| 5430635 | High power factor electronic transformer system for gaseous discharge tubes | — | 1995-07-04 |