Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11688620 | Shiftless wafer blades | Chien-Chih Chen, Ching-Ling Lee, Ren-Dou Lee | 2023-06-27 |
| 11380569 | Shiftless wafer blades | Chien-Chih Chen, Ching-Ling Lee, Ren-Dou Lee | 2022-07-05 |
| 10699931 | Shiftless wafer blades | Chien-Chih Chen, Ching-Ling Lee, Ren-Dou Lee | 2020-06-30 |