Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987262 | Cycloalkene compounds useful in recording materials | Katsumasa Kikkawa, Masahiko Yamaguchi, Katsuichi Motohashi | 1991-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987262 | Cycloalkene compounds useful in recording materials | Katsumasa Kikkawa, Masahiko Yamaguchi, Katsuichi Motohashi | 1991-01-22 |