Inventor
NAGATA RYU
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAGATA RYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO PHARMA
9 patentsUS6576656B1Jun 10, 2003
Oxindole derivative
SUMITOMO PHARMA15 citations78
US6936736B2Aug 30, 2005
Amide derivative
SUMITOMO PHARMA10 citations71
US6384033B1May 7, 2002
Amide derivative
SUMITOMO PHARMA6 citations71
US5616586AApr 1, 1997
Tricyclic quinoxalinediones
SUMITOMO PHARMA9 citations71
US5496843AMar 5, 1996
Tricyclic indole-2-carboxylic acid derivatives
SUMITOMO PHARMA12 citations71
US6194461B1Feb 27, 2001
Nitrone derivatives
SUMITOMO PHARMA6 citations60
US5719152AFeb 17, 1998
Tricyclic quinoxalinedione derivatives
SUMITOMO PHARMA4 citations60
US6759429B2Jul 6, 2004
Pyrrole derivatives
SUMITOMO PHARMA4 citations57
US6495587B1Dec 17, 2002
Tricyclic indole-2-carboxylic acid compound used as NMDA receptor antagonist
SUMITOMO PHARMA1 citations49
DAINIPPON SUMITOMO PHARMA CO
4 patentsUS7781479B2Aug 24, 2010
Heteroaryl derivatives
DAINIPPON SUMITOMO PHARMA CO8 citations81
US7425642B2Sep 16, 2008
Heteroaryl derivative
DAINIPPON SUMITOMO PHARMA CO11 citations78
US7825155B2Nov 2, 2010
Oxindole derivative as feeding control agent
DAINIPPON SUMITOMO PHARMA CO0 citations37
US7220773B2May 22, 2007
Pyrrole derivative
DAINIPPON SUMITOMO PHARMA CO0 citations37