Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670505 | Piperazine derivatives | Masaaki Matsuo, Daijiro Hagiwara, Takashi Manabe, Nobukiyo Konishi, Kenji Murano +2 more | 1997-09-23 |
| 5661159 | Quinolylbenzofuran derivatives as leukotriene antagonists | Masaaki Matsuo, Kazuo Okumura | 1997-08-26 |