Inventor
NIGAWARA TAKAHIRO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “NIGAWARA TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASTELLAS PHARMA INC
6 patentsUS10556906B2Feb 11, 2020
Quinazoline compound
ASTELLAS PHARMA INC29 citations90
US7947690B2May 24, 2011
Pyrimidine derivative condensed with a non-aromatic ring
ASTELLAS PHARMA INC11 citations82
US7557112B2Jul 7, 2009
Aromatic-ring-fused pyrimidine derivative
ASTELLAS PHARMA INC9 citations82
US10774082B2Sep 15, 2020
Quinazoline compound
ASTELLAS PHARMA INC0 citations48
US9585889B2Mar 7, 2017
Nitrogen-containing bicyclic aromatic heterocyclic compound
ASTELLAS PHARMA INC0 citations47
US9328118B2May 3, 2016
Nitrogen-containing bicyclic aromatic heterocyclic compound
ASTELLAS PHARMA INC0 citations47