Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446598 | Method and apparatus for controlling light emission of ink cartridge | Lei Qin, Zhizheng Jia, Weichen Liu | 2016-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9446598 | Method and apparatus for controlling light emission of ink cartridge | Lei Qin, Zhizheng Jia, Weichen Liu | 2016-09-20 |