Issued Patents 1982
Showing 1–2 of 2 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, Kiyonosin Itikawa, Kiyoshi Ito, Katsuro Ishizuki | 1982-12-14 |
| 4349962 | Cutting down machine | Hidehiko Itagaki | 1982-09-21 |