Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4420470 | Percutaneous absorption type pharmaceutical preparation of isosorbide dinitrate or pentaerythritol tetranitrate in pressure-sensitive laminate | Saburo Otsuka, Toshiyuki Yoshikawa, Shoichi Tokuda | 1983-12-13 |