Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350775 | Benzopyran derivative, method for producing the same and use thereof | Yutaka Ohnishi, Yoshimasa Ishimura, Nobutake Mihara | 1994-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350775 | Benzopyran derivative, method for producing the same and use thereof | Yutaka Ohnishi, Yoshimasa Ishimura, Nobutake Mihara | 1994-09-27 |