Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10073412 | Process cartridge and photosensitive drum driving component | Mei Yan, Liangliang Hu | 2018-09-11 |
| 9964920 | Process cartridge and photosensitive drum driving component | Mei Yan, Liangliang Hu | 2018-05-08 |