Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136810 | Pyrido[2,3-D]pyrimidine derivatives and pharmaceutical compositions thereof | Kazuhisa Takayama, Hiroyuki Hisamichi, Masahiro Iwata, Hideki Kubota | 2000-10-24 |
| 5817670 | Naphthyridine derivatives and pharmaceutical compositions thereof | Kazuhisa Takayama, Masahiro Iwata, Yoshinori Okamoto, Akira Niwa, Yasuo Isomura | 1998-10-06 |