Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8163078 | Pigment spacing | Ming-Ren Tarng, Mark Steffenhagen, Shaune Friedman | 2012-04-24 |
| 7727323 | Pigment spacing | Ming-Ren Tarng, Mark Steffenhagen, Shaune Friedman | 2010-06-01 |
| 7482054 | Pigment spacing | Ming-Ren Tarng, Mark Steffenhagen, Shaune Friedman | 2009-01-27 |