KY

Koichi Yasumura

OC Otsuka Pharmaceutical Co.: 13 patents #43 of 1,273Top 4%
Overall (All Time): #385,467 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8551999 Heterocyclic compound and pharmaceutical composition thereof Takumi Sumida, Fujio Tabusa, Kazuo Sekiguchi, Takeshi Kodama, Yutaka Kojima +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
6511995 Pyridine derivative and pharmaceutical containing the same Kouji Edamatsu, Takao Nagahama, Satoshi Hayakawa, Yutaka Kojima, Makoto Sakamoto 2003-01-28
6197774 Pyrimidine derivative Satoshi Yamada, Naosumi Kinoshita, Kouji Edamatsu, Takao Nagahama, Shintaro Ishikawa +3 more 2001-03-06
5677322 Maillard reaction inhibitor Keisuke Miyajima, Takao Nagahama, Shintaro Ishikawa, Yuko Nakagawa, Kazuhisa Sugiyama 1997-10-14
5422360 Maillard reaction inhibitor Keisuke Miyajima, Bonpei Yasui, Masaaki Motoyama, Shintaro Ishikawa 1995-06-06
5376686 Biguanide derivatives, manufacturing method thereof, and disinfectants containing the derivatives Hiroshi Ishikawa, Hidetsugu Tsubouchi, Yukio Higuchi, Hisashi Tamaoka 1994-12-27
5262411 Isocephem derivatives, and antimicrobial composition containing the derivatives Tetsuhiko Shirasaka, Hiroshi Ishikawa, Koichiro Jitsukawa, Sachio Toyama, Hidetsugu Tsubouchi +2 more 1993-11-16
5037976 2-oxa-isocephem compounds Setsuro Fujii, Hiroshi Ishikawa, Koichiro Jitsukawa, Sachio Toyama, Hidetsugu Tsubouchi +2 more 1991-08-06
4950662 2-oxa-isocephem compounds, compositions containing the same and processes for preparing the same Setsuro Fujii, Hiroshi Ishikawa, Koichiro Jitsukawa, Sachio Toyama, Hidetsugu Tsubouchi +2 more 1990-08-21
4898859 2-Oxa-isocephem compounds and compositions containing same Setsuro Fujii, Hiroshi Ishikawa, Koichiro Jitsukawa, Sachio Toyama, Hidetsugu Tsubouchi +2 more 1990-02-06
4831026 2-oxa-isocephem compounds, compositions containing same and processes of using Setsuro Fujii, Hiroshi Ishikawa, Koichiro Jitsukawa, Sachio Toyama, Hidetsugu Tsubouchi +2 more 1989-05-16