Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919919 | Nitroglycerin spray | Hiroshi Ninomiya, Genichi Izu, Yuichi Yazawa, Megumi Tachibana | 1990-04-24 |
| 4777046 | Sheet-like preparation | Taiichiro Iwakura, Tadafumi Mizobuchi | 1988-10-11 |