Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793721 | Invisible ink composition and method to ensure document confidentiality | In-Shan Sir, Chia-Hsin Chien, Yu-Ting Lin | 2004-09-21 |
| 6783581 | Ink-jet ink comprising a glycol compound with grafts | Chia-Hsin Chien, Yu-Ting Lin | 2004-08-31 |
| 6706098 | Fragrant ink-jet ink | Yi-Jing Leu, In-Shan Sir, Chia-Hsin Chien | 2004-03-16 |
| 6706099 | Fragrant ink with microcapsule compounds to provide fragrance | In-Shan Sir, Chia-Hsin Chien, Yu-Ting Lin | 2004-03-16 |
| 6695444 | Multicolor dye set with high light-fastness and high water-fastness | Yi-Jing Leu, In-Shan Sir, Chia-Hsin Chien | 2004-02-24 |