Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968967 | Pyrazolones derivatives | Keizo Tanikawa, Takashi Matsumoto, Masumi Nakamura, Yasunori Asada | 1999-10-19 |
| 5508403 | Phosphorus pyridine compound | Shin-ichi Akiyama, Ryozo Sakoda, Kiyotomo Seto | 1996-04-16 |
| 5304550 | Drug effect-enhancing agent for antitumor drug | Shin-ichi Akiyama, Ryozo Sakoda, Kiyotomo Seto | 1994-04-19 |
| 5130303 | Drug effect-enhancing agent for antitumor drug | Shin-ichi Akiyama, Ryozo Sakoda, Kiyotomo Seto | 1992-07-14 |