Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670503 | Pyrazole derivatives | Yoshio Kawai, Hitoshi Yamazaki, Hirokazu Tanaka | 1997-09-23 |
| 5624931 | Pyrazole derivatives | Yoshio Kawai, Hiroshi Marusawa, Hitoshi Yamazaki, Yoshito Abe | 1997-04-29 |