Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071971 | External skin care preparation | Shinji Yano, Akira Kawamata, Yoshihiro Minematsu, Shuichi Akazaki, Genji Imokawa +3 more | 1991-12-10 |
| 5028416 | External skin care preparation | Shinji Yano, Akira Kawamata, Yoshihiro Minematsu, Shuichi Akazaki, Genji Imokawa +3 more | 1991-07-02 |
| 4985547 | External skin care preparation | Shinji Yano, Akira Kawamata, Yoshihiro Minematsu, Shuichi Akazaki, Genji Imokawa +3 more | 1991-01-15 |