Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D680260 | Lamp | — | 2013-04-16 |
| 8008100 | Light emitting diode package structure and manufacturing method therefor | Chih-Chia Tsai, Cheng-Yi Chang | 2011-08-30 |
| 7939846 | Circuit board for LED | Chin-Ching Chen, Cheng-Yi Chang | 2011-05-10 |
| 6715224 | Displaying ornament with rotational color disc | — | 2004-04-06 |
| D484266 | Ripple-light lamp | — | 2003-12-23 |
| 6539654 | Bubble-type multicolor-liquid lamp | — | 2003-04-01 |
| 6481128 | Ornament simulating dynamic scene of volcanic eruption | — | 2002-11-19 |