Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7200013 | Power supply device and single photo-coupler control circuit thereof | Hongjian Gan, Youjun Zhang, Jianping Ying | 2007-04-03 |
| 7173833 | Energy efficient power supply device and operating method thereof | Kun-Chi Lin, Youjun Zhang, Junshan Lou, Hongjian Gan | 2007-02-06 |
| 7034513 | Power supply having efficient low power standby mode | Hongjian Gan, Alpha J. Zhang, Jian Chang | 2006-04-25 |