TI

Tsukasa Ishihara

AP Astellas Pharma: 6 patents #80 of 954Top 9%
SP Seldar Pharma: 5 patents #1 of 8Top 15%
YC Yamanouchi Pharmaceutical Co.: 4 patents #101 of 516Top 20%
Overall (All Time): #318,856 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10532048 Tetrahydroisoquinolin-1-one derivative or salt thereof Hiroyuki Hisamichi, Itsuro Shimada, Tomofumi Takuwa, Takafumi Shimizu, Noriko Ishikawa +2 more 2020-01-14
10016410 Tetrahydroisoquinolin-1-one derivative or salt thereof Hiroyuki Hisamichi, Itsuro Shimada, Tomofumi Takuwa, Takafumi Shimizu, Noriko Ishikawa +2 more 2018-07-10
9526719 Tetrahydroisoquinolin-1-one derivative or salt thereof Hiroyuki Hisamichi, Itsuro Shimada, Tomofumi Takuwa, Takafumi Shimizu, Noriko Ishikawa +2 more 2016-12-27
9399038 Benzothiophene compound Kazuhiro Ikegai, Ikumi Kuriwaki, Hiroyuki Hisamichi, Nobuaki Takeshita, Ryuichi Takezawa 2016-07-26
9150541 Tetrahydroisoquinolin-1-one derivative or salt thereof Hiroyuki Hisamichi, Itsuro Shimada, Tomofumi Takuwa, Takafumi Shimizu, Noriko Ishikawa +2 more 2015-10-06
8981119 Benzothiophene compound Kazuhiro Ikegai, Ikumi Kuriwaki, Hiroyuki Hisamichi, Nobuaki Takeshita, Ryuichi Takezawa 2015-03-17
8486970 Tetrahydroisoquinolin-1-one derivative or salt thereof Hiroyuki Hisamichi, Itsuro Shimada, Tomofumi Takuwa, Takafumi Shimizu, Noriko Ishikawa +2 more 2013-07-16
RE43481 Diazepan derivatives or salts thereof Fukushi Hirayama, Hiroyuki Koshio, Norio Seki, Shunichiro Hachiya, Keizo Sugasawa +5 more 2012-06-19
7786106 Substituted benzene derivatives or salts thereof Fukushi Hirayama, Keizo Sugasawa, Yuji Koga, Takeshi Kadokura, Takeshi Shigenaga 2010-08-31
7504417 Substituted benzene derivatives or salts thereof Fukushi Hirayama, Keizo Sugasawa, Yuji Koga, Takeshi Kadokura, Takeshi Shigenaga 2009-03-17
7307074 Diazepan derivatives or salts thereof Fukushi Hirayama, Hiroyuki Koshio, Norio Seki, Shunichiro Hachiya, Keizo Sugasawa +5 more 2007-12-11
6642224 Diazepan derivatives or salts thereof Fukushi Hirayama, Hiroyuki Koshio, Norio Seki, Shunichiro Hachiya, Keizo Sugasawa +5 more 2003-11-04
6333320 Hexahydro-1,4-diazepine derivatives or salts thereof Hiroyuki Koshio, Fukushi Hirayama, Masashi Funatsu, Tomihisa Kawasaki, Yuzo Matsumoto 2001-12-25
5830902 Quinuclidine derivative having tricyclic hetero condensed ring Masahiko Isaka, Koyo Matsuda, Hirotoshi Kakuta, Hiroshi Moritani 1998-11-03
5807880 Azole derivative and pharmaceutical composition thereof Minoru Okada, Toru Yoden, Eiji Kawaminami, Yoshiaki Shimada, Masafumi Kudou 1998-09-15