Issued Patents 2005
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969956 | Current control apparatus for fluorescent lamps | Eddie Cheng, Chin-Biau Chung | 2005-11-29 |
| 6958582 | Lamp current control circuit | Eddie Cheng, Kuang-Ming Wu | 2005-10-25 |
| 6954008 | Integrated power supply apparatus for information appliances | — | 2005-10-11 |
| 6949867 | Multi-load driver circuit equipped with piezoelectric transformation circuits | — | 2005-09-27 |
| 6949890 | LCD back light panel lamp connecting structure | Eddie Cheng | 2005-09-27 |
| D510089 | Keyboard | — | 2005-09-27 |
| 6943785 | Piezoelectric transformation driving apparatus | Eddie Cheng | 2005-09-13 |
| 6940234 | Electric arc discharge protection device | Eddie Cheng | 2005-09-06 |
| 6914365 | Piezoelectric transformation driving apparatus | Eddie Cheng, Kuang-Ming Wu | 2005-07-05 |
| 6910055 | Calculator device for enabling a keypad to function as both a keypad and a calculator | — | 2005-06-21 |
| 6867955 | ARC discharge protection apparatus | Eddie Cheng, Kuang-Ming Wu, Chin-Biau Chung | 2005-03-15 |
| 6839253 | Multi-period cycle-alternative switching mode power supply control device | Eddie Cheng, Bart Chin-Biau Chung | 2005-01-04 |