Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D794866 | LED bulb lamp cover | Chih-Hsien Wu, Wei-Hsu Chang, Kai-Cheng Chuang, Yi-Shu Chen, Hsin-Chieh Liao +1 more | 2017-08-15 |
| 9671070 | LED spherical lamp | Chih-Hsien Wu, Chun-Chieh Huang, Yu-Chang Chen | 2017-06-06 |
| 9638390 | Axially symmetric LED light bulb | Chih-Hsien Wu, Chun-Chieh Huang, Yu-Chang Chen | 2017-05-02 |
| 9544952 | Linear dimming LED driver circuit capable of adjusting color temperature | Chih-Hsien Wu, Kai-Cheng Chuang | 2017-01-10 |
| 9435491 | LED lead frame and lamp thereof | Wei-Hsu Chang, Chih-Hsien Wu, Huan-Ying Lu, SHIH-CHAO SHEN | 2016-09-06 |
| 8496349 | Uniform light emitting lamp structure | Chih-Hsien Wu | 2013-07-30 |
| 8047685 | Adjustable lighting device | Ching-Huei Wu, Chih-Hsien Wu | 2011-11-01 |