Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275114 | Belt sander | Yu-Da Chen | 2025-04-15 |
| 12115618 | Belt sander | Yu-Da Chen, Bo-Jhuang Chen, Yu-Ming CHAN, Min-Hsu TSAI | 2024-10-15 |
| 12011817 | Electrical tool having driving shock absorbing structure | Yu-Da Chen | 2024-06-18 |
| 11253969 | Belt sander having fast-lift cover structure | — | 2022-02-22 |
| 5919052 | Earphone jack | — | 1999-07-06 |