TK

Takashi Kosasa

EI Eisai: 13 patents #79 of 998Top 8%
EC Eisai R&D Management Co.: 2 patents #329 of 817Top 45%
Overall (All Time): #323,527 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9018260 Indanesulfamide derivatives Yuji Kazuta, Toru Watanabe, Keiichi Sorimachi, Minako Saito, Yoichi Kita +5 more 2015-04-28
7378425 (1-Indanone)-(1,2,3,6-tetrahydropyridine) compounds Yoichi Iimura, Yoshiharu Yamanishi 2008-05-27
7091218 4-substituted piperidine compound Yoichi Iimura 2006-08-15
6906083 4-substituted piperidine compound Yoichi Iimura 2005-06-14
6706741 Acetylcholinesterase inhibitors containing 1-benzyl-pyridinium salts Yoichi Iimura 2004-03-16
6677330 Fluorides of 4-substituted piperidine derivatives Yoichi Iimura, Yoshiharu Yamanishi, Hachiro Sugimoto, Yoshio Takeuchi, Tetsuo Shibata +1 more 2004-01-13
6277866 1-benzyl-4[(5,6-dimethoxy-2-fluoro-1-indanon)-2-yl]methylpiperidine Yoshio Takeuchi, Norio Shibata, Emiko Suzuki, Yoichi Iimura, Yoshiharu Yamanishi +1 more 2001-08-21
5919778 Cyclic amide derivatives Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato +5 more 1999-07-06
5654308 Bicyclic amide derivatives, compositions and methods of treatment Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato +5 more 1997-08-05
5620976 Benzoxazine derivatives Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato +5 more 1997-04-15
5521182 1,2,3,4 tetrahydropteridinone cyclic amide derivatives Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato +5 more 1996-05-28
5504088 2H-3,4-tetrahydroquinazoline-2-one and 2H-3,4-tetrahydroquinalozine-2,4-dione derivatives, pharmaceutical compositions and methods of treatment Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato +5 more 1996-04-02
5292735 Cyclic amide derivatives Hachiro Sugimoto, Masahiro Yonaga, Norio Karibe, Youichi Iimura, Satoshi Nagato +5 more 1994-03-08
5100901 Cyclic amine compounds and pharmaceutical use Hachiro Sugimoto, Yutaka Tsuchiya, Kunizou Higurashi, Norio Karibe, Youichi Iimura +7 more 1992-03-31
4895841 Cyclic amine compounds with activity against acetylcholinesterase Hachiro Sugimoto, Yutaka Tsuchiya, Kunizou Higurashi, Norio Karibe, Youichi Iimura +7 more 1990-01-23