Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7820940 | Laser engraving mechanism and engraving method of using the same | CHIH-PEN LIN, HUNG-CHANG LEE, Chuang Liu, Kai Yin | 2010-10-26 |
| 7798340 | Rack apparatus with retaining member for use in anodizing | CHIH-PEN LIN, HUNG-CHANG LEE, YONG ZHANG, Xiao-Lin Wu, ZHAN-GANG ZHU | 2010-09-21 |
| 7172318 | Light tunnel and projection system utilizing the same | Sean Chang | 2007-02-06 |
| 6760507 | Optical device | Huan-Kun Chen | 2004-07-06 |
| 4586706 | Two-stage exercise bike | — | 1986-05-06 |