Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1033266 | Crimping pliers | — | 2024-07-02 |
| 9099261 | Keyswitch | Chien-Shih Hsu, Zuei-Chown Jou, Chi-Cheng Lin | 2015-08-04 |
| 9064651 | Keyswitch | Chien-Shih Hsu, Zuei-Chown Jou, Chi-Cheng Lin | 2015-06-23 |
| 6848699 | Leg direction-control mini-tricycle | — | 2005-02-01 |