Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9796187 | Method for controlling light emission of ink cartridge, and ink cartridge | Lei Qin, Zhizheng Jia, Yuedan Liang | 2017-10-24 |
| 9753680 | Method for recording chip usage state information, chip of imaging cartridge and imaging cartridge | — | 2017-09-05 |
| 9724928 | Method, system and memory chip for generating checkout value | — | 2017-08-08 |
| 9688075 | Ink cartridge, ink cartridge chip, and short-circuit detection method of chip | Zuo Wang | 2017-06-27 |