Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5367075 | Anthrapyridone compounds, their production process and their use | Toshio Nakamatsu, Yasuyuki Suzuki | 1994-11-22 |
| 4902798 | Anthrapyridone compounds | Toshio Nakamatsu, Yasuyuki Suzuki | 1990-02-20 |