Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7940461 | Optical diffusion module | Chih-Chiang Chao, Po-Ling Shiao, Yu-Tsan Tseng, Mei-Chun Lai | 2011-05-10 |
| 7789548 | Optical diffusion module having convex and concave portions arranged in a two dimensional array | Chih-Chiang Chao, Po-Ling Shiao, Yu-Tsan Tseng, Mei-Chun Lai | 2010-09-07 |
| 7656584 | Composite lens structure | Chih-Chiang Chao, Po-Ling Shiao, Yu-Tsan Tseng, Mei-Chun Lai | 2010-02-02 |
| 5087302 | Process for producing rare earth magnet | Shi-Kun Chen, Ying-Chang Hung, Wen-Song Ko, Wen-Chun Chang | 1992-02-11 |
| 5064465 | Process for preparing rare earth-iron-boron alloy powders | Chi-Jui Chen, Tin-Yin Liu, Ying-Chang Hung | 1991-11-12 |