Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6333046 | Transmucous absorption enhancer | Hiroshi Ohtake, Hidekazu Azuma, Masaki Otagiri, Teruko Imai | 2001-12-25 |
| 4882359 | Azacycloalkane derivatives, absorption promoters containing the derivatives as the effective ingredient and external preparations containing the absorption promoters | Akira Nakagawa | 1989-11-21 |