Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363812 | 3-(Tetrazol-5-yl), 4-methyl-8-alkoxy coumarins and anti-allergic compositions thereof | Kiyoshi Kuriyama, Jun Nakano, Kiyoshi Ito, Yuji Suzuki, Katsuro Ishizuki | 1982-12-14 |