Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985287 | Anthrapyridone compound or a salt thereof, magenta ink composition containing the anthrapyridone compound and colored product | Yutaka Ishii, Noriko Kajiura, Hiroyuki Matsumoto | 2011-07-26 |