Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8465577 | Blue, red, and yellow dye compounds, and black ink composition comprising the same | Hsiao-San Chen | 2013-06-18 |
| 7438753 | Diazo dyestuff compounds and their use | Tzu-Kwei Sun, Hsiao-San Chen, Wen-Chin Lin | 2008-10-21 |
| 7288142 | Black dyes composition for ink-jet inks | Chien-Wen Lee, Tzu-Kwei Sun, Tsung-Wen Huang | 2007-10-30 |
| 7270702 | Yellow dye compound and the ink composition thereof | Wen-Chin Lin, Tzu-Kwei Sun | 2007-09-18 |
| 6500246 | Ink-jet ink composition | Hong-Chang Huang | 2002-12-31 |