Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879274 | External medication for skin | Shuichi Tsuchiya, Kenji Hara | 1989-11-07 |
| 4859696 | Precutaneous absorption accelerator and preparation containing same | Takeshi Inoue, Hidenori Yorozu, Yasuteru Eguchi, Kaoru Tsujii | 1989-08-22 |