Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8736253 | Kilowatt-hour meter with remote environment detect and control | Tung-Jung Wu | 2014-05-27 |
| D634875 | LED streetlight lamp | Wu Jiang, Xiantao Yan, Debo A. Adebiyi | 2011-03-22 |
| 6768225 | Multiple power sources control system | Herlin Chang | 2004-07-27 |
| 6735096 | Uninterruptible DC power system | Herlin Chang | 2004-05-11 |
| 6667497 | LED package | Teng-Huei Huang, Chuan-Ming Chang, Tse-Min Mao | 2003-12-23 |
| 6618232 | Power lock device safe power source output/input | Her-Lin Chang | 2003-09-09 |
| 6577513 | Lighting equipment built-in on-line uninterruptible power system capable of outputting AC sinusoidal power from a single DC source | Herlin Chang | 2003-06-10 |