Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8080100 | Trisazo compound, ink composition, recording method and colored body | Yoshiaki Kawaida, Takahiko Matsui | 2011-12-20 |
| 7901498 | Trisazo compound, ink composition, printing method and colored product | Koji Hirota, Takahiko Matsui, Shinsuke Shimizu | 2011-03-08 |