Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475612 | Process for applying a topcoat to a porous basecoat | Douglas Knight, Yi-Hua Tsao, Eric L. Burch, Yubai Bi, Peter C. Zahrobsky +1 more | 2002-11-05 |
| 6432523 | Light fastness of inkjet images by adding salts into inkjet inks and print media | Zeying Ma, Yubai Bi, Rodney D. Stramel | 2002-08-13 |
| 6423375 | Light fastness of inkjet images by adding salts into inkjet media | Yubai Bi, Zeying Ma, Rodney D. Stramel | 2002-07-23 |