Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6894034 | Sebum production inhibitors | Nobuaki Yatsuka, Nobuyuki Sato, Masazumi Nishikawa, Tadakazu Tamai | 2005-05-17 |
| 6613897 | Compounds having glucuronic acid derivatives and glucosamine derivative in the structure, process for producing the same and utilization thereof | Nobuaki Yatsuka, Nobuyuki Sato, Tadakazu Tamai, Masazumi Nishikawa | 2003-09-02 |