Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688075 | Ink cartridge, ink cartridge chip, and short-circuit detection method of chip | Weichen Liu | 2017-06-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688075 | Ink cartridge, ink cartridge chip, and short-circuit detection method of chip | Weichen Liu | 2017-06-27 |