Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5489613 | Carbacyclin derivatives, process for their preparation and compositions containing them | Kazuo Koyama, Koichi Kojima, Shinsaku Kobayashi | 1996-02-06 |
| 5405870 | Carbacyclin compounds; pharmaceutical compositions and method of use | Kazuo Koyama, Koichi Kojima, Shinsaku Kobayashi | 1995-04-11 |
| 5389626 | 3-aryloxmethyl-cephalosporin derivatives, and their medical use | Koichi Kojima, Kazuo Koyama, Masayuki Iwata | 1995-02-14 |
| 4981872 | Prostaglandin derivatives, their preparation and their therapeutic use | Koichi Kojima, Kazuo Koyama, Keiichi Tabata, Nobuyoshi Iwata | 1991-01-01 |
| 4777184 | Prostaglandin derivatives, their preparation and use | Koichi Kojima, Kazuo Koyama, Nobuyoshi Iwata, Takeshi Oshima | 1988-10-11 |
| 4496745 | Epoxycarbacyclin derivatives, their preparation and use | Koichi Kojima | 1985-01-29 |