Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6172228 | Process for producing piperazinesulfonamide derivatives and salts thereof | Kenichi Kashima, Yasuhiko Sakamoto, Yoichiro Ohta, Shigetaka Takemura, Yasuko Takemura | 2001-01-09 |
| 6080750 | Pyrimidine compound and anti-rotavirus composition | Masakatsu Hisaki, Yoichiro Ohta, Yasuko Ichigobara, Fuzuki Iwakura, Masanobu Azuma +3 more | 2000-06-27 |