Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818054 | Processes for producing pigment dispersion and ink composition | Tsuyoshi Sano, Kiyohiko Takemoto | 2004-11-16 |
| 6806300 | Water-based ink composition for ink-jet printing, ink-jet printing method using the same and printed matter | Minoru Waki, Naoki Okamoto | 2004-10-19 |