Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471760 | Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet recording | Hiroyuki Matsumoto, Yasuo Murakami, Yasuo Shirasaki, Toru Tabei | 2002-10-29 |