Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080100 | Trisazo compound, ink composition, recording method and colored body | Takashi Yoshimoto, Takahiko Matsui | 2011-12-20 |
| 7951234 | Water-soluble azo compound or salt thereof, ink composition and colored product | Ryoutarou Morita | 2011-05-31 |