Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822808 | Method for production of stable nicorandil preparation | Shuji Sumida | 1989-04-18 |
| 4803213 | Method for production of stable nicorandil preparation | Takashi Terazono, Shuji Sumida | 1989-02-07 |