Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D943734 | Mask | — | 2022-02-15 |
| 7273474 | Flexible substrate structure for microneedle arrays and its manufacturing method | Kai-Cheng Chang | 2007-09-25 |
| 7104406 | Micro-filter for filtering blood cells | Wae-Honge Chen, Kai-Cheng Chang, Pei-Fang Liang | 2006-09-12 |