Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9278519 | Control system and method for use in digital printing | Dan Li, Shaowei Guo, Zhihong Liu | 2016-03-08 |
| 9013734 | Method and apparatus for controlling pauses in printing | Dan Li, Zhihong Liu | 2015-04-21 |
| 8699080 | Method and apparatus for generating multi-site FM screen dots simultaneously | Feng Chen, Zhihong Liu, Wei Zhu | 2014-04-15 |