Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5714479 | Endothelin antagonistic heteroaromatic ring-fused cyclopentene derivatives | Kiyofumi Ishikawa, Toshio Nagase, Toshiaki Mase, Takashi Hayama, Masaki Ihara +1 more | 1998-02-03 |
| 5691315 | Endothelin antagonistic peptide derivatives | Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase +4 more | 1997-11-25 |
| 5614498 | Endothelin antagonistic substance | Kiyofumi Ishikawa, Takehiro Fukami, Takeshi Hayama, Kenji Niiyama, Toshio Nagase +5 more | 1997-03-25 |
| 5496928 | Endothelin antagonistic substance | Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase +5 more | 1996-03-05 |
| 5494897 | Endothelin antagonistic peptide | Kiyofumi Ishikawa, Takehiro Fukami, Masaki Ihara | 1996-02-27 |
| 5470833 | Endothelin antagonistic peptide derivatives | Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase +4 more | 1995-11-28 |
| 5444152 | Endothelin antagonistic peptide derivatives | Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase +4 more | 1995-08-22 |
| 5389620 | Endothelin antagonistic heteroaromatic ring-fused cyclopentene derivatives | Kiyofumi Ishikawa, Toshio Nagase, Toshiaki Mase, Takashi Hayama, Masaki Ihara +1 more | 1995-02-14 |
| 5380921 | Aminophosponic acid derivative | Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Kenji Matsuyama, Kazuhito Noguchi | 1995-01-10 |
| 5362736 | Isoquinoline derivatives | Kiyofumi Ishikawa, Takashi Hayama, Masaru Nishikibe | 1994-11-08 |
| 5114918 | Endothelin antagonistic cyclic pentapeptides | Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase +4 more | 1992-05-19 |
| 4737494 | 1,3-dithiole derivatives and pharmaceutical compositions | Yoshimi Tsuchiya, Yukio Hirayama, Kyoko Nakamichi, Junji Yoshizawa | 1988-04-12 |
| 4443459 | .alpha.-Tocopheryl ester of 5-substituted picolinic acid and hypotensive composition containing it | Junji Yoshizawa, Kiyofumi Ishikawa, Nobuo Harada, Ikuo Matsumoto | 1984-04-17 |