Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276288 | Two-stage speed controller | Ping-Cheng Yu, Chih-Sheng Cheng, Wei-Xiang Cheng | 2025-04-15 |
| D660509 | LED lamp | Chih-Wei Hsu | 2012-05-22 |
| D604896 | Circular lamp housing | Pin-Chun Chen, Chih-Wei Hsu, Chun-Chiang Huang | 2009-11-24 |
| D604455 | Elliptical lamp housing | Pin-Chun Chen, Chih-Wei Hsu, Chun-Chiang Huang | 2009-11-17 |