Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632813 | 6-subtituted-7-heteroquinoxalinecarboxylic acid derivatives and addition salts thereof and processes for the preparation of both | Yasuo Takano, Futoshi Shiga, Tsuyoshi Anraku | 2003-10-14 |
| 6562839 | 6-substituted heteroquinolinecarboxylic acid derivatives and addition salts thereof and processes for the preparation of both | Yasuo Takano, Jun Asano, Tsuyoshi Anraku | 2003-05-13 |