RC

Richard Clark

EI Eisai: 18 patents #45 of 998Top 5%
EC Eisai R&D Management Co.: 10 patents #46 of 817Top 6%
Overall (All Time): #146,207 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
10227349 Pyrazolo[1,5-a]pyrimidine compound Tetsuya Kawahara, Daisuke Iida, Shinsuke Hirota, Yasuaki Kamada, Toshiyuki Ohfusa +3 more 2019-03-12
8436009 Prodrug of triazolone compound Fumiyoshi Matsuura, Masanobu Shinoda, Shinsuke Hirota, Kazunobu Kira, Hiroshi Azuma +5 more 2013-05-07
8163787 Triazolone derivatives Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Hiroshi Azuma, Tadashi Nagakura +5 more 2012-04-24
7928228 Triazolone derivatives Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Hiroshi Azuma, Tadashi Nagakura +5 more 2011-04-19
7816522 Triazolone derivatives Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Hiroshi Azuma, Tadashi Nagakura +5 more 2010-10-19
7807690 2,3-dihydro-iminoisoindole derivatives Atsushi Takemura, Nobuhisa Watanabe, Osamu Asano, Tadashi Nagakura, Kimiyo Tabata 2010-10-05
7772226 Condensed imidazole derivatives Seiji Yoshikawa, Eita Emori, Fumiyoshi Matsuura, Hironori Ikuta, Kazunobu Kira +3 more 2010-08-10
7687664 Carboxylic acid derivative, a salt thereof or an ester of them, and medicament comprising it Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Shunji Kasai, Hideki Yoshitomi +4 more 2010-03-30
7544835 Carboxylic acid derivative and salt thereof Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Shunji Kasai, Hideki Yoshitomi +6 more 2009-06-09
7524847 Fused 1,3-dihydro-imidazole ring compounds Kazunobu Kira, Seiji Yoshikawa, Taisuke Uehara 2009-04-28
7371777 Cyclic compound and PPAR agonist Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Shunji Kasai, Hideki Yoshitomi +4 more 2008-05-13
7304083 2-iminoimidazole derivatives (2) Shuichi Suzuki, Makoto Kotake, Mitsuaki Miyamoto, Tetsuya Kawahara, Akiharu Kajiwara +22 more 2007-12-04
7253178 Carboxylic acids Hitoshi Harada, Masanobu Shinoda, Fumiyoshi Matsuura, Eita Emori, Shunji Kasai +5 more 2007-08-07
7244861 Benzene compound and salt thereof Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Shunji Kasai, Hideki Yoshitomi +4 more 2007-07-17
7244730 2-iminopyrrolidine derivatives Shuichi Suzuki, Makoto Kotake, Mitsuaki Miyamoto, Tetsuya Kawahara, Akiharu Kajiwara +22 more 2007-07-17
7074798 Xanthine derivative and DPPIV inhibitor Seiji Yoshikawa, Eita Emori, Fumiyoshi Matsuura, Hironori Ikuta, Nobuyuki Yasuda +3 more 2006-07-11
6884821 Carboxylic acid derivatives and drugs containing the same Masanobu Shinoda, Eita Emori, Fumiyoshi Matsuura, Toshihiko Kaneko, Norihito Ohi +7 more 2005-04-26
6518423 Benzopiperidine derivatives Toshihiko Kaneko, Norihito Ohi, Fumihiro Ozaki, Tetsuya Kawahara, Atsushi Kamada +7 more 2003-02-11
5482937 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Shinya Abe, Tetsuya Kawahara, Naoyuki Shimomura +14 more 1996-01-09
5468740 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Shinya Abe, Tetsuya Kawahara, Naoyuki Shimomura +14 more 1995-11-21
5438045 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Shinya Abe, Tetsuya Kawahara, Naoyuki Shimomura +14 more 1995-08-01
5409909 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Shinya Abe, Tetsuya Kawahara, Naoyuki Kimomura +14 more 1995-04-25
5382579 Triazolo-1,4-diazepine derivatives and their use in pharmaceuticals Kazuo Okano, Shuhei Miyazawa, Shinya Abe, Tetsuya Kawahara, Naoyuki Shimomura +14 more 1995-01-17
5319139 Naphthalene derivatives Hiroyuki Yoshimura, Shinya Abe, Tetsuya Kawahara, Naoyuki Shimomura, Kazuo Okano +12 more 1994-06-07
5262565 Naphthalene derivatives Hiroyuki Yoshimura, Shinya Abe, Tetsuya Kawahara, Takashi Inoue, Hiroshi Shirota +12 more 1993-11-16