Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376686 | Biguanide derivatives, manufacturing method thereof, and disinfectants containing the derivatives | Hiroshi Ishikawa, Koichi Yasumura, Yukio Higuchi, Hisashi Tamaoka | 1994-12-27 |