Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659051 | Process of producing 2-cyano-4-oxo-4H-benzopyran compounds | Takayuki Higashii, Hideki Ushio, Yukari Fujimoto, Tsutomu Matsumoto, Masayoshi Minai +2 more | 1997-08-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659051 | Process of producing 2-cyano-4-oxo-4H-benzopyran compounds | Takayuki Higashii, Hideki Ushio, Yukari Fujimoto, Tsutomu Matsumoto, Masayoshi Minai +2 more | 1997-08-19 |