Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11351790 | Threshold variable feedback circuit,consumable chip, and consumable | — | 2022-06-07 |
| 10737500 | Method for reusing ink cartridge, system of reusing ink cartridge, reused ink cartridge, and readable storage medium | Xinping Peng, Hechao Lu, Linbo Wang | 2020-08-11 |