Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613888 | Azo dyes, process for making the same, ink-jet printing ink, ink-jet recording method | Keiichi Tateishi, Makoto Yamada | 2003-09-02 |
| 6582502 | Dye, ink for ink jet recording, and ink jet recording method | — | 2003-06-24 |