Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6172228 | Process for producing piperazinesulfonamide derivatives and salts thereof | Kenichi Kashima, Yasuhiko Sakamoto, Yoichiro Ohta, Kenji Kawanishi, Shigetaka Takemura | 2001-01-09 |