Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466439 | Adaptor for connecting cover to overflow pipe | Chih-Wei Chen | 2022-10-11 |
| 10470615 | Support device for stopper of bathroom sink or tub | Chih-Wei Chen | 2019-11-12 |
| 10428501 | Drainage assembly for a bathtub | — | 2019-10-01 |
| 10017925 | Overflow pipe assembly for bathtubs | — | 2018-07-10 |
| 9982792 | Tube coupling device having valve member | — | 2018-05-29 |
| 9982424 | Engaging device for overflow assembly | Chih-Wei Chen | 2018-05-29 |
| 9897216 | Stop valve | — | 2018-02-20 |
| 8245721 | Tube coupling device having check valve | — | 2012-08-21 |
| 7488434 | Conductive paste for conductive substrate or conductive film | Nelson Tseng, Yung-Jen Hsiao | 2009-02-10 |