Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8807724 | Replaceable ink bag and ink cartridge with replaceable ink bag | Ming-Chung Peng | 2014-08-19 |
| 8646890 | Opening and closing structure of ink cartridge | Ming-Chung Peng, Yun-Hsuan Chen | 2014-02-11 |
| 8608299 | Ink cartridge with replaceable ink bag | Ming-Chung Peng, Yun-Hsuan Chen | 2013-12-17 |
| 8235510 | Ink cartridge apparatus for continuously supplying ink | Ming-Chung Peng, Yun-Hsuan Chen | 2012-08-07 |
| 8025375 | Uninterrupted ink supply system | Ming-Chung Peng, Jian Huang | 2011-09-27 |