Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245767 | Monohydrates of aminobenzenesulfonic acid derivatives and method for preparing thereof | Tadao Sato, Tatsuo Nagano | 2001-06-12 |
| 5990113 | Monohydrates of aminobenzenesulfonic acid derivatives and method for preparing thereof | Tadao Sato, Tatsuo Nagano | 1999-11-23 |