Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366543 | Alcohol-soluble dye and ink composition containing the same | Takashi Ono, Tatsuya Yagyu | 1994-11-22 |
| 5326866 | Liquid azo dye and ink composition containing the same | Takashi Ono, Tatsuya Yagyu | 1994-07-05 |
| 5281264 | Salt-forming type dye and ink composition | Takashi Ono, Tatsuya Yagyu | 1994-01-25 |