KK

Keizo Kan

OC Otsuka Pharmaceutical Co.: 12 patents #54 of 1,273Top 5%
📍 Tokushima, JP: #143 of 1,059 inventorsTop 15%
Overall (All Time): #407,273 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11673878 Benzazepine derivatives Masatoshi TAKUWA, Hirotaka Tanaka, Hideto FUJIWARA, Hokuto Yamabe, Satoshi MATSUDA +5 more 2023-06-13
10889570 Benzazepine derivatives Masatoshi TAKUWA, Hirotaka Tanaka, Hideto FUJIWARA, Hokuto Yamabe, Satoshi MATSUDA +5 more 2021-01-12
8940727 Benzazepine compound Tadaaki Ohtani 2015-01-27
8551999 Heterocyclic compound and pharmaceutical composition thereof Takumi Sumida, Fujio Tabusa, Kazuo Sekiguchi, Takeshi Kodama, Koichi Yasumura +14 more 2013-10-08
8236826 Diarylether derivatives as antitumor agents Hironori Matsuyama, Kenji Ohnishi, Takashi Nakagawa, Hideki Takasu, Makoto Sakamoto +9 more 2012-08-07
8188277 Aromatic compounds for suppressing the generation of collagen Tae Fukushima, Shuji Matsumura, Noriaki Takemura, Hideaki Satou, Nobuaki Ito +22 more 2012-05-29
6642223 Benzoheterocyclic derivatives Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Takayuki Matsuzaki, Tomoichi Shinohara +4 more 2003-11-04
6335327 Benzoheterocyclic derivatives Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Takayuki Matsuzaki, Tomoichi Shinohara +4 more 2002-01-01
6096735 Benzoheterocyclic derivatives Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Takayuki Matsuzaki, Tomoichi Shinohara +4 more 2000-08-01
6096736 Benzazepine derivatives with vasopressin agonistic activity Hidenori Ogawa, Kazumi Kondo, Tomoichi Shinohara, Yoshihisa Tanada, Muneaki Kurimura +5 more 2000-08-01
5677299 Benzoheterocyclic compounds Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Michiaki Tominaga, Yoichi Yabuuchi 1997-10-14
5498609 Benzoazepinyl compounds as oxytocin and vasopressin antagonists Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Michiaki Tominaga, Yoichi Yabuuchi 1996-03-12