Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11564971 | Hyaluronic acid derivative having amino acid and steryl group introduced thereinto | Takashi Nakai, Yoshihiro Tampo, Kenji Yasugi, Tsuyoshi Shimoboji | 2023-01-31 |
| 9243077 | Derivative of hyaluronic acid modified with amino-carboxylic acid | Yoshihiro Tampo, Kenji Yasugi, Tai Hirakura, Tsuyoshi Shimoboji | 2016-01-26 |