Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607898 | Pyrazole derivatives | Kazufumi Nakamura, Kazuyoshi Koike, Masashi Sakamoto | 1997-03-04 |
| 5591868 | Aromatic carboxylic acids | Mitsuru Shibata, Masashi Sakamoto, Kazuyoshi Koike | 1997-01-07 |