Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8158638 | Pyrazolopyrimidine derivative | Atsushi Tengeiji, Masahiro Ikeda, Yoshihiro Shibata, Chikahiro Nagata, Takashi Shimada | 2012-04-17 |
| 6573377 | Pyrazole derivatives and salts thereof | Akio Ejima, Hitoshi Ohki, Hiroyuki Naito, Chie Makino | 2003-06-03 |
| 6552018 | Pyrazole derivatives | Akio Ejima, Hitoshi Ohki, Hiroyuki Naito | 2003-04-22 |
| 6407115 | Hexa-cyclic compound | Hirofumi Terasawa, Akio Ejima, Kouichi Uoto | 2002-06-18 |
| 6169086 | Pyrazole derivatives | Akio Ejima, Hitoshi Ohki, Hiroyuki Naito | 2001-01-02 |
| 5834476 | Hexa-cyclic compound | Hirofumi Terasawa, Akio Ejima, Kouichi Uoto | 1998-11-10 |
| 5770605 | Method for treating leukemia with a hexa-cyclic compound | Hirofumi Terasawa, Akio Ejima, Kouichi Uoto | 1998-06-23 |
| 5658920 | Substituted 1H,12H-benz-[DE]pyrano[3',4':6,7] indolizino[1,2-B]quinoline-10,13(9H,15H)-dione compound | Hirofumi Terasawa, Akio Ejima, Kouichi Uoto | 1997-08-19 |
| 5637770 | Hexa-cyclic compound | Hirofumi Terasawa, Akio Ejima, Kouichi Uoto | 1997-06-10 |
| 5061795 | Hexa-cyclic compound | Hiroaki Tagawa, Masamichi Sugimori, Hirofumi Terasawa, Akio Ejima | 1991-10-29 |
| 4939255 | Hexa-cyclic camptothecin derivatives | Hiroaki Tagawa, Masamichi Sugimori, Hirofumi Terasawa, Akio Ejima | 1990-07-03 |