HK

Hiroyuki Kaizawa

AP Astellas Pharma: 15 patents #5 of 954Top 1%
IT Imperial Cancer Research Technology: 9 patents #4 of 66Top 7%
LR Ludwig Institute For Cancer Research: 9 patents #64 of 611Top 15%
YC Yamanouchi Pharmaceutical Co.: 6 patents #55 of 516Top 15%
KC Kotobuki Pharmaceutical Co.: 3 patents #25 of 79Top 35%
Overall (All Time): #207,258 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10975091 Pyridine derivative Kenichi Kawaguchi, Akihiro Ishihata, Yusuke Inagaki, Kazuyuki Tsuchiya, Tadaatsu Hanadate +6 more 2021-04-13
10421762 Pyridine derivative Kenichi Kawaguchi, Akihiro Ishihata, Yusuke Inagaki, Kazuyuki Tsuchiya, Tadaatsu Hanadate +6 more 2019-09-24
10059720 Pyridine derivative Kenichi Kawaguchi, Akihiro Ishihata, Yusuke Inagaki, Kazuyuki Tsuchiya, Tadaatsu Hanadate +6 more 2018-08-28
8901126 Substituted imidazo[1,5-A]quinoxalin-4-ones are useful for preventing or treating storage dysfunction, voiding dysfunction and bladder/urethral diseases Mari Sugita, Hirofumi Yamamoto, Kazunori Kamijo, Kazuyuki Tsuchiya, Ryushi Seo +1 more 2014-12-02
8822448 Pyrazoloquinoline compound Hirofumi Yamamoto, Kazunori Kamijo, Mari Sugita, Ryushi Seo, Satoshi Yamamoto +1 more 2014-09-02
8815920 Substituted amide compound Eiji Kawaminami, Tatsuhisa Takahashi, Takatoshi Kanayama, Yuta Fukuda, Yutaka Kondoh +4 more 2014-08-26
8674096 Substituted imidazo[1,5-a]quinoxalin-4-ones as phosphodiesterase 9 inhibitors Mari Sugita, Hidenori Azami, Ryushi Seo, Takaho Nomura, Satoshi Yamamoto +4 more 2014-03-18
8669246 Substituted amide compound Eiji Kawaminami, Tatsuhisa Takahashi, Takatoshi Kanayama, Yuta Fukuda, Yutaka Kondoh +4 more 2014-03-11
8357688 Substituted imidazo[1,5-a]quinoxalin-4(5H)-ones as PDE9 inhibitors Mari Sugita, Hidenori Azami, Ryushi Seo, Takaho Nomura, Satoshi Yamamoto +4 more 2013-01-22
8067586 Fused heteroaryl derivatives Masahiko Hayakawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano +3 more 2011-11-29
7666873 N-phenyl-(2R,5S)dimethylpiperazine derivative Nobuaki Taniguchi, Masakazu Imamura, Masahiko Hayakawa, Kenichi Kawaguchi, Takenori Kimura +3 more 2010-02-23
7297698 N-phenyl-(2R,5S) dimethylpiperazine derivative Nobuaki Taniguchi, Masakazu Imamura, Masahiko Hayakawa, Kenichi Kawaguchi, Takenori Kimura +3 more 2007-11-20
7196080 Phenylpyridinecarbonylpiperazinederivative Masahiro Iwata, Noriyuki Kawano, Tomofumi Takuwa, Issei Tsukamoto, Ryushi Seo +3 more 2007-03-27
7173029 Fused heteroaryl derivatives Masahiko Hayakawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano +3 more 2007-02-06
7037915 Fused heteroaryl derivatives Masahiko Hayakawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano +3 more 2006-05-02
6838457 Fused heteroaryl derivatives Masahiko Hayakawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano +3 more 2005-01-04
6770641 Fused heteroaryl derivatives Masahiko Hayakawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano +3 more 2004-08-03
6653320 Imidazopyridine derivatives Masahiko Hayakawa, Ken-Ichi Kawaguchi, Koyo Matsuda, Noriko Ishikawa, Tomonobu Koizumi +3 more 2003-11-25
6608056 Fused heteroaryl derivatives Masahiko Hayakawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano +3 more 2003-08-19
6608053 Fused heteroaryl derivatives Masahiko Hayakawa, Hiroyuki Moritomo, Ken-Ichi Kawaguchi, Tomonobu Koizumi, Mayumi Yamano +3 more 2003-08-19
6403588 Imidazopyridine derivatives Masahiko Hayakawa, Ken-Ichi Kawaguchi, Koyo Matsuda, Noriko Ishikawa, Tomonobu Koizumi +3 more 2002-06-11