Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631002 | Liniment for melanin inhibitors | Eiichiro Yagi, Yuki Shibata, Masako Naganuma, Minoru Fukuda | 1997-05-20 |
| 5580549 | External preparation for skin | Minoru Fukuda, Masako Naganuma, Yuki Yamase, Yoshihiro Yokokawa | 1996-12-03 |
| 4801539 | Fermentation method for producing hyaluronic acid | Hidemichi Akasaka, Takayuki Arai | 1989-01-31 |