Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498159 | Phthalazine derivatives and remedies for erectile dysfunction | Nobuhisa Watanabe, Norio Karibe, Fumihiro Ozaki, Atsushi Kamada, Shuhei Miyazawa +7 more | 2002-12-24 |
| 6352989 | Nitrogenous heterocyclic derivatives and medicine thereof | Yasutaka Takase, Takao Saeki | 2002-03-05 |