Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10314136 | Traffic light driving control circuit | Shih-Chang Wang, Chien-Lung Wang | 2019-06-04 |
| 10120109 | Light emitting device capable of reducing reflected light and changing a focused position of incident light | Tai-Jung Sung, Kuo-Hui Chang | 2018-11-06 |
| 10008137 | Illuminated sign with compartmented portion | Yi-Kai Cheng, Kuo-Hui Chang, Shih-Chang Wang | 2018-06-26 |
| 9709243 | LED traffic signal light module | Chao-Hsien Wu | 2017-07-18 |