Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9990175 | Lighting device and voice broadcasting system and method thereof | Zonggen Zhang, Shuyu Cao, Weisheng Zhou, Jinxiang Shen | 2018-06-05 |
| 9979189 | Control apparatus using variations in conduction angle as control command | Fei-Tyh Chuang | 2018-05-22 |