Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D998758 | Sealing disc for sealing vacuum valve | Xiao Hu, Ye-Liang Zhao, Chwung-Shan Kou, Yen-Sheng Wang, Chih-Hung Wang +4 more | 2023-09-12 |
| 11092244 | Sealing disc for vacuum closure | Xiao Hu, Ye-Liang Zhao, Chwung-Shan Kou, Yen-Sheng Wang, Chih-Hung Wang +4 more | 2021-08-17 |
| 7988442 | Vacuum mold and device for drilling extraction holes therein | Jiang Feng Yu, JIAN-BIN DENG, Yi Zhao, BO LIU, QING-MING YUAN | 2011-08-02 |