Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7524368 | Black dye composition and black ink composition for textile digital printing | Chuan-Hsi Lee, Tzu-Kwei Sun, Hsiao-San Chen | 2009-04-28 |
| 7387667 | Black dye composition and black ink composition | Wen-Chin Lin, Tzu-Kwei Sun | 2008-06-17 |