Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11106143 | Mask fork for transferring mask, and corresponding mask box and mask transferring method | Rongjun Zhang, Dongliang Huang | 2021-08-31 |
| 10908497 | Mask box | Rongjun Zhang, Dongliang Huang | 2021-02-02 |