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Kotaro Gotanda

AC Aska Pharmaceutical Co.: 5 patents #6 of 69Top 9%
TC Teikoku Hormone Mfg. Co.: 4 patents #21 of 112Top 20%
Overall (All Time): #574,891 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9040536 Substituted pyrrolo[1,2-a]quinoxalines as PDE9 inhibitors Makoto Okada, Shuichiro Sato, Kenji Kawade, Atsushi Shinbo, Youichi Nakano +1 more 2015-05-26
8829000 Substituted imidazo[1,5-A]quinoxalines as phosphodiesterase 9 inhibitors Makoto Okada, Shuichiro Sato, Kenji Kawade, Atsushi Shinbo, Youichi Nakano +1 more 2014-09-09
8377944 Thienopyrimidine derivatives Atsushi Shinbo, Youichi Nakano, Hideo Kobayashi, Makoto Okada, Akira Asagarasu 2013-02-19
8299080 Substituted imidazo[1,5-A] quinoxalines as a PDE9 inhibitor Makoto Okada, Shuichiro Sato, Kenji Kawade, Atsushi Shinbo, Youichi Nakano +1 more 2012-10-30
8293754 Thienopyrimidine derivatives Atsushi Shinbo, Youichi Nakano, Hideo Kobayashi, Makoto Okada, Akira Asagarasu 2012-10-23
5221674 Pyridazinone derivatives Kikuo Yasuda, Kenyu Shibata, Nobuyoshi Minami, Toshimi Seki, Masafumi Shiraiwa +4 more 1993-06-22
5130314 Carbostyril substituted pyridazinones Kikuo Yasuda, Kenyu Shibata, Nobuyoshi Minami, Toshimi Seki, Masafumi Shiraiwa +4 more 1992-07-14
5082844 Pyridazinone derivatives Kikuo Yasuda, Kenyu Shibata, Nobuyoshi Minami, Toshimi Seki, Masafumi Shiraiwa +4 more 1992-01-21
4843072 Antihypertensive pyridazinone aminoisopropanol derivatives Kikuo Yasuda, Kenyu Shibata, Seijiro Honma, Toshimi Seki, Kohichi Hasumi +4 more 1989-06-27