Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6436180 | Color ink composition for graphic art ink jet image printers | Zeying Ma, Shunqiong Yue, Kai-Kong Iu, Hsin-Chieh Chou, Duane G. Canfield | 2002-08-20 |
| 6432523 | Light fastness of inkjet images by adding salts into inkjet inks and print media | Zeying Ma, Yubai Bi, Bor-Jiunn Niu | 2002-08-13 |
| 6423375 | Light fastness of inkjet images by adding salts into inkjet media | Yubai Bi, Bor-Jiunn Niu, Zeying Ma | 2002-07-23 |