RT

Ryuji Tsuzuki

YC Yamanouchi Pharmaceutical Co.: 11 patents #25 of 516Top 5%
📍 Itabashi, JP: #18 of 173 inventorsTop 15%
Overall (All Time): #390,133 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6083955 Arylethenesulfonamide derivatives and drug composition containing the same Hironori Harada, Jun-ichi Kazami, Susumu Watanuki, Katsumi Sudou, Akihiro Tanaka 2000-07-04
5623074 Substituted tetrahydroisoquinoline compounds, and process for producing them, and composition containing them Akihiro Tanaka, Takashi Fujikura, Masaki Yokota, Takeyuki Yatsu 1997-04-22
5420126 3,4-dihydro-2H-1,4-benzoxazine derivatives and pharmaceutical compositions containing the same Yuzo Matsumoto, Akira Matsuhisa, Kazuhisa Takayama, Wataru Uchida, Masaharu Asano +2 more 1995-05-30
5378849 Substituted tetrahydroisoquinoline compounds, and process for producing them, and composition containing them Akihiro Tanaka, Takashi Fujikura, Masaki Yokota, Takeyuki Yatsu 1995-01-03
5278158 Oxazinobenzazole compounds Yuzo Matsumoto, Akira Matsuhisa, Toru Yoden, Wataru Uchida, Isao Yanagisawa 1994-01-11
5204468 Substituted 4,5,6,7-tetrahydrothiens[2,3-C]pyridine compounds Akihiro Tanaka, Takashi Fujikura, Masaki Yokota, Takeyuki Yatsu 1993-04-20
5180730 Heterocyclic compounds Toshiyasu Mase, Hiromu Hara, Kiyoshi Murase, Kenichi Tomioka 1993-01-19
5079256 Substituted tetrahydroisoquinoline compounds and method containing them Akihiro Tanaka, Takashi Fujikura, Masaki Yokota, Takeyuki Yatsu 1992-01-07
5077406 Production of 2-amino-7-(6-fluoro-3,4-hydroxyphenyl)-4,5,6,7-tetrahydrothiazolo[4,5-c] pyridine dihydrobromide Akihiro Tanaka, Takashi Fujikura, Masaki Yokota, Takeyuki Yatsu 1991-12-31
4966904 Substituted tetrahydroisoquinoline compounds, and process for producing them, and composition containing them Akihiro Tanaka, Takashi Fujikura, Masaki Yokota, Takeyuki Yatsu 1990-10-30
4933348 Heterocyclic compounds Toshiyasu Mase, Hiromu Hara, Kiyoshi Murase, Kenichi Tomioka 1990-06-12
4876261 Substituted tetrahydroisoquinoline compounds and composition containing them Akihiro Tanaka, Takashi Fujikura, Masaki Yokota, Takeyuki Yatsu 1989-10-24
4803211 Thiadizazole compounds as antagonists of SRS-A Toshiyasu Mase, Hiromu Hara, Kiyoshi Murase, Kenichi Tomioka 1989-02-07