Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420375 | Fused ring compounds, process for producing the same and use thereof | Fumio Itoh, Tomohiro Kaku, Masuo Yamaoka | 2002-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420375 | Fused ring compounds, process for producing the same and use thereof | Fumio Itoh, Tomohiro Kaku, Masuo Yamaoka | 2002-07-16 |