Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939540 | 4-(3-benzoylaminophenyl)-6,7-dimethoxy-2-methylaminoquinazoline derivatives | Kazutomi Kusano, Yasutaka Takase, Osamu Asano, Manabu Shirato, Hisashi Wakita +2 more | 2011-05-10 |
| 7612092 | Nitrogen-containing aromatic derivatives | Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda +12 more | 2009-11-03 |
| 7468380 | Nitrogen-containing aromatic derivatives | Akihiko Tsuruoka, Tomohiro Matsushima, Masayuki Matsukura, Keiko Takahashi, Junichi Kamata +1 more | 2008-12-23 |
| 7253286 | Nitrogen-containing aromatic derivatives | Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda +16 more | 2007-08-07 |
| 7109219 | Nitrogen-containing aromatic derivatives | Akihiko Tsuruoka, Tomohiro Matsushima, Masayuki Matsukura, Keiko Takahashi, Junichi Kamata +1 more | 2006-09-19 |
| 6800644 | Nitrogen-containing heterocyclic compounds and medicaments containing the compounds | Yasutaka Takase, Takao Saeki | 2004-10-05 |
| 6784192 | Piperidine compound and pharmaceutical composition thereof | Fumihiro Ozaki, Toshihiko Kaneko, Mutsuko Tabata, Yoshinori Takahashi, Junichi Kamata +10 more | 2004-08-31 |
| 6699870 | Phthalazine compounds and therapeutic agents for erectile dysfunction | Nobuhisa Watanabe, Norio Karibe, Fumihiro Ozaki, Atsushi Kamada, Shuhei Miyazawa +7 more | 2004-03-02 |
| 6599917 | Quinuclidine compounds and drugs containing the same as the active ingredient | Toshimi Okada, Nobuyuki Kurusu, Keigo Tanaka, Daisuke Shinmyo, Hiroyuki Sugumi +5 more | 2003-07-29 |
| 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 |
| 6218392 | Fused pyridazine compounds | Nobuhisa Watanabe, Yasuhiro Kabasawa, Yasutaka Takase, Fumihiro Ozaki, Keiji Ishibashi +6 more | 2001-04-17 |
| 5849741 | Fused pyridazine compounds | Nobuhisa Watanabe, Yasuhiro Kabasawa, Yasutaka Takase, Fumihiro Ozaki, Keiji Ishibashi +6 more | 1998-12-15 |