Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041684 | Gas safety ignition switch | Sen-Yu Wu | 2018-08-07 |
| 9335053 | Gas ignition switch | Pao-Chi Chang | 2016-05-10 |
| 8104507 | Gas switch capable of adjusting fire intensity finely | Pao-Chi Chang, Sen-Yu Wu | 2012-01-31 |
| 7810517 | Multiple-input gas adjuster | Pao-Chi Chang, Sen-Yu Wu | 2010-10-12 |