Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D641787 | Pen | — | 2011-07-19 |
| D641402 | Pen | — | 2011-07-12 |
| D641410 | Pen | — | 2011-07-12 |
| D641411 | Pen | — | 2011-07-12 |
| D628642 | Pen | — | 2010-12-07 |
| D596230 | Pen | — | 2009-07-14 |
| D586853 | Pen | — | 2009-02-17 |
| D586854 | Pen | — | 2009-02-17 |
| D581460 | Pen | Feng Zhao | 2008-11-25 |
| D575821 | Pen | — | 2008-08-26 |
| D569431 | Pen | Zhiming Qiu | 2008-05-20 |
| D563469 | Pen | Zhiming Qiu | 2008-03-04 |
| D562392 | Pen | Zhiming Qiu | 2008-02-19 |
| D562393 | Pen | Zhiming Qiu, Junbo Mao | 2008-02-19 |
| D559910 | Pen | Zhiming Qiu | 2008-01-15 |
| D559313 | Pen | Zhiming Qiu | 2008-01-08 |
| D552674 | Pen | Zhiming Qiu | 2007-10-09 |