HO

Hitoshi Ohki

DC Daiichi Pharmaceutical Co.: 11 patents #7 of 399Top 2%
DL Daiichi Sankyo Company, Limited: 5 patents #86 of 842Top 15%
Overall (All Time): #295,499 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10774087 Sulfonamide derivative having coumarin skeleton Masahiro Ota, Hidekazu Inoue, Junya Kawai, Tadashi Toki 2020-09-15
8933103 Pyridone derivatives Masahiro Ota, Kosuke Takeuchi, Hideaki Watanabe, Akitake Yamaguchi, Yoshihiro Shibata +5 more 2015-01-13
8846703 Crystal of a free tricyclic pyrazolopyrimidine derivative Yasusi Ueda, Nobuyuki Suzuki 2014-09-30
8445504 Tricyclic pyrazolopyrimidine derivatives Tooru Okayama, Masahiro Ikeda, Masahiro Ota, Yoshihiro Shibata, Toshiyuki Nakanishi +3 more 2013-05-21
8236813 Tricyclic pyrazolopyrimidine derivatives Tooru Okayama, Masahiro Ikeda, Masahiro Ota, Yoshihiro Shibata, Toshiyuki Nakanishi +3 more 2012-08-07
6656952 Cis-substituted fluoromethylpyrrolidine derivative Makoto Takemura, Hisashi Takahashi, Kenichi Kimura, Rie Miyauchi, Toshiyuki Takeda 2003-12-02
6586604 Tricyclic amine derivatives Makoto Takemura, Hisashi Takahashi, Kenichi Kimura, Rie Miyauchi, Katsuhiro Kawakami 2003-07-01
6573377 Pyrazole derivatives and salts thereof Akio Ejima, Satoru Ohsuki, Hiroyuki Naito, Chie Makino 2003-06-03
6552018 Pyrazole derivatives Akio Ejima, Satoru Ohsuki, Hiroyuki Naito 2003-04-22
6469023 Heterocyclic spiro-derivative Makoto Takemura, Youichi Kimura 2002-10-22
6384050 Tricyclic amine derivatives Makoto Takemura, Hisashi Takahashi, Kenichi Kimura, Rie Miyauchi, Katsuhiro Kawakami 2002-05-07
6194434 Cycloalkylaminomethylpyrrolidine derivatives Makoto Takemura, Youichi Kimura, Katsuhiro Kawakami 2001-02-27
6184388 Substituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivatives Makoto Takemura, Youichi Kimura, Hisashi Takahashi, Kenichi Kimura, Satoru Miyauchi +2 more 2001-02-06
6169086 Pyrazole derivatives Akio Ejima, Satoru Ohsuki, Hiroyuki Naito 2001-01-02
6121285 Substituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivatives Makoto Takemura, Youichi Kimura, Hisashi Takahashi, Kenichi Kimura, Satoru Miyauchi +2 more 2000-09-19
5849757 Pyridonecarboxylic acid derivatives substituted by a bicyclic amino group as antibacterials Makoto Takemura, Youichi Kimura, Katsuhiro Kawakami, Kenichi Kimura, Norikazu Matsuhashi +1 more 1998-12-15