KN

Kenji Niiyama

BC Banyu Pharmaceutical Co.: 9 patents #38 of 330Top 15%
MK Msd K.K.: 6 patents #7 of 111Top 7%
Merck: 3 patents #3,073 of 9,382Top 35%
TC Taiho Pharmaceutical Co.: 1 patents #236 of 484Top 50%
Overall (All Time): #277,483 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
8791125 Dihydropyrazolopyrimidinone derivatives Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Fuyuki Yamamoto +7 more 2014-07-29
8772283 Imidazo-oxazine compound or salt thereof Masayuki Nakamura, Kaori Kamijo, Mitsuru Ohkubo, Toshiyasu Shimomura 2014-07-08
8436004 Bicycloaniline derivative Makoto Bamba, Hidetomo Furuyama, Toshihiro Sakamoto, Satoshi Sunami, Keiji Takahashi +2 more 2013-05-07
8288396 Pyrimidopyrimidoindazole derivative Yasuhiro Goto, Satoshi Sunami, Keiji Takahashi 2012-10-16
8138197 Spirochromanon derivatives Tomoharu Iino, Hideki Jona, Hideki Kurihara, Masayuki Nakamura, Jun Shibata +4 more 2012-03-20
7935708 Dihydropyrazolopyrimidinone derivatives Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Fuyuki Yamamoto +7 more 2011-05-03
7935712 Spirochromanone derivatives as acetyl coenzyme A carboxylase (ACC) inhibitors Takeru Yamakawa, Hideki Jona, Koji Yamada, Tomoharu Iino, Mitsuru Ohkubo +4 more 2011-05-03
7834019 Substituted pyrazolo[3,4-d]pyrimidinone derivatives Takeshi Sagara, Sachie Otsuki, Satoshi Sunami, Toshihiro Sakamoto, Fuyuki Yamamoto +7 more 2010-11-16
7410976 Spirochromanone derivatives Takeru Yamakawa, Hideki Jona, Koji Yamada, Tomoharu Iino, Mitsuru Ohkubo +4 more 2008-08-12
5691315 Endothelin antagonistic peptide derivatives Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Toshio Nagase, Toshiaki Mase +4 more 1997-11-25
5614498 Endothelin antagonistic substance Kiyofumi Ishikawa, Takehiro Fukami, Takeshi Hayama, Toshio Nagase, Toshiaki Mase +5 more 1997-03-25
5496928 Endothelin antagonistic substance Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Toshio Nagase, Toshiaki Mase +5 more 1996-03-05
5470833 Endothelin antagonistic peptide derivatives Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Toshio Nagase, Toshiaki Mase +4 more 1995-11-28
5444152 Endothelin antagonistic peptide derivatives Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Toshio Nagase, Toshiaki Mase +4 more 1995-08-22
5114918 Endothelin antagonistic cyclic pentapeptides Kiyofumi Ishikawa, Takehiro Fukami, Takashi Hayama, Toshio Nagase, Toshiaki Mase +4 more 1992-05-19
4839353 Anti-ulcer substituted pyridine derivatives Masaaki Hosoi, Ryo Nishioka, Yoshio Hioki, Yoshiaki Iida, Hiroshi Takeshita +1 more 1989-06-13
4743609 Indole derivatives having gastric and antisecretory and cytoprotective properties, and pharmaceutical preparations containing same Masaaki Hosoi, Fumio Nakano, Kenji Matsuyama, Hiroshi Takeshita, Susumu Nakagawa 1988-05-10