TK

Tetsuya Kawahara

EI Eisai: 21 patents #30 of 998Top 4%
EC Eisai R&D Management Co.: 6 patents #113 of 817Top 15%
📍 Ugo, JP: #1 of 203 inventorsTop 1%
Overall (All Time): #146,206 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
10227349 Pyrazolo[1,5-a]pyrimidine compound Richard Clark, Daisuke Iida, Shinsuke Hirota, Yasuaki Kamada, Toshiyuki Ohfusa +3 more 2019-03-12
8124780 Benzimidazole compound Shuhei Miyazawa, Masanobu Shinoda, Nobuhisa Watanabe, Hitoshi Harada, Daisuke Iida +5 more 2012-02-28
7425554 1,2-di(cyclic)substituted benzene compounds Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro 2008-09-16
7425634 Benzimidazole compound Shuhei Miyazawa, Masanobu Shinoda, Nobuhisa Watanabe, Hitoshi Harada, Daisuke Iida +5 more 2008-09-16
7410971 1,2-di(cyclic)substituted benzene compounds Makoto Kotake, Naoki Yoneda, Shinsuke Hirota, Masayoshi Ohkuro 2008-08-12
7304083 2-iminoimidazole derivatives (2) Shuichi Suzuki, Makoto Kotake, Mitsuaki Miyamoto, Akiharu Kajiwara, Ieharu Hishinuma +22 more 2007-12-04
7244730 2-iminopyrrolidine derivatives Shuichi Suzuki, Makoto Kotake, Mitsuaki Miyamoto, Akiharu Kajiwara, Ieharu Hishinuma +22 more 2007-07-17
6518423 Benzopiperidine derivatives Toshihiko Kaneko, Richard Clark, Norihito Ohi, Fumihiro Ozaki, Atsushi Kamada +7 more 2003-02-11
5635519 Benzothiazole compounds which are substituted by pyridymethyl Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Hirotoshi Numata, Naoki Kobayashi +6 more 1997-06-03
5482937 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Naoyuki Shimomura +14 more 1996-01-09
5476864 Glycerin derivative and its pharmacological use Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Shinya Abe, Shuhei Miyazawa +11 more 1995-12-19
5476863 Glycerin derivative and its pharmacological use Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Shinya Abe, Shuhei Miyazawa +11 more 1995-12-19
5468740 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Naoyuki Shimomura +14 more 1995-11-21
5438045 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Naoyuki Shimomura +14 more 1995-08-01
5420144 Pyridyl substituted benzothiazole compounds which have useful pharmaceutical utility Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Hirotoshi Numata, Naoki Kobayashi +6 more 1995-05-30
5409909 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Naoyuki Kimomura +14 more 1995-04-25
5382579 Triazolo-1,4-diazepine derivatives and their use in pharmaceuticals Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Naoyuki Shimomura +14 more 1995-01-17
5329010 Quinone derivatives Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Hirotoshi Numata, Naoki Kobayashi +4 more 1994-07-12
5319139 Naphthalene derivatives Hiroyuki Yoshimura, Shinya Abe, Naoyuki Shimomura, Kazuo Okano, Richard Clark +12 more 1994-06-07
5304553 1,4-diazepine derivative and its pharmaceutical use Kazuo Okano, Shuhei Miyazawa, Richar S. J. Clark, Shinya Abe, Naoyuki Shimomura +14 more 1994-04-19
5300518 Pyridyl substituted benzothiazole compounds which have useful pharmaceutical utility Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Hirotoshi Numata, Naoki Kobayashi +6 more 1994-04-05
5273985 Glycerin derivative and its pharmacological use Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Shinya Abe, Shuhei Miyazawa +11 more 1993-12-28
5262565 Naphthalene derivatives Hiroyuki Yoshimura, Shinya Abe, Takashi Inoue, Hiroshi Shirota, Kenichi Chiba +12 more 1993-11-16
5237091 Naphthalene derivatives Hiroyuki Yoshimura, Shinya Abe, Naoyuki Shimomura, Kazuo Okano, Richard Clark +12 more 1993-08-17
5221671 Triazolo-1,4-diazepine derivatives and their use in pharmaceuticals Kazuo Okano, Shuhei Miyazawa, Richard Clark, Shinya Abe, Naoyuki Shimomura +14 more 1993-06-22