Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9081293 | System and method for lithography exposure with correction of overlay shift induced by mask heating | Dong-Hsu Cheng, Chun-Jen Chen, Ming-Ho Tsai, Yung-Hsiang Chen, Jun Chen | 2015-07-14 |
| 8441211 | Electronic ballast capable of self-protection at natural or premature end of life of fluorescent light tube | — | 2013-05-14 |
| 8437153 | Series resonant converter capable of reducing peak voltage generated at power switches and peak current generated on secondary side when being turned on from off immediately | Ching-Chuan Chen | 2013-05-07 |
| 8406018 | Series resonant converter with overload delay and short-circuit protection mechanisms | — | 2013-03-26 |
| 8373350 | Fixed-time, fixed-frequency, preheat-type ballast circuit for fluorescent light tube | — | 2013-02-12 |
| 8213191 | Constant-current circuit capable of voltage compensation and zero-voltage switching | — | 2012-07-03 |
| 8079727 | Recessed lamp support structure | — | 2011-12-20 |
| 7965023 | LED lamp | — | 2011-06-21 |
| 6950318 | Flyback converter for performing a zero voltage switch in boundary mode | Kuo-Chien Huang, Kun-Shan Pai, Po-Chueh Wang | 2005-09-27 |
| 6507500 | Ring-free zero-voltage switching technique for use in switching power converters | — | 2003-01-14 |
| 6201714 | Exchanging converter having a zero-voltage switching control circuit for driving an output voltage filter capacitor to partially feed back storage energy to an input side of the transformer or storage inductor | — | 2001-03-13 |
| 6108222 | Power factor correction circuit | — | 2000-08-22 |