Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789425 | Imidazolidinone derivatives, their acid adducts and therapeutic drugs for senile dementia | Yasuo Takano, Masanori Takadoi, Kei Okazaki, Takashi Hirayama | 1998-08-04 |
| 5300515 | Carbamic acid derivatives and method for preparing the same | Yasuo Takano, Masanori Takadoi, Takashi Hirayama | 1994-04-05 |