Inventor · disambiguated record
Takahiro Nigawara
Also filed as: NIGAWARA TAKAHIRO
7 granted patents·5 pending applications·49 citations·filing 2005–2021
80Inventor score
Top patents by PatentIndex Score
12 records- 0194US10556906B2Quinazoline compoundASTELLAS PHARMA INC·Filed 2019·Granted Feb 11, 2020·29 cites·12 claims
- 0285US7947690B2Pyrimidine derivative condensed with a non-aromatic ringASTELLAS PHARMA INC·Filed 2005·Granted May 24, 2011·11 cites·13 claims
- 0384US7557112B2Aromatic-ring-fused pyrimidine derivativeASTELLAS PHARMA INC·Filed 2005·Granted Jul 7, 2009·9 cites·22 claims
- 0462US10774082B2Quinazoline compoundASTELLAS PHARMA INC·Filed 2019·Granted Sep 15, 2020·0 cites·14 claims
- 0552US8329707B2Substituted pyrazine compoundsHAYAKAWA MASAHIKO·Filed 2009·Granted Dec 11, 2012·0 cites·16 claims
- 0648US2023107277A1Substituted pyridazine compoundASTELLAS PHARMA INC·Filed 2021·Application pending·0 cites
- 0747US9328118B2Nitrogen-containing bicyclic aromatic heterocyclic compoundASTELLAS PHARMA INC·Filed 2013·Granted May 3, 2016·0 cites·9 claims
- 0845US9585889B2Nitrogen-containing bicyclic aromatic heterocyclic compoundASTELLAS PHARMA INC·Filed 2016·Granted Mar 7, 2017·0 cites·3 claims
- 0940US2013102617A1Method of treating diabetes, metabolic syndrome and obesity using phenylacetamide derivativeHAYAKAWA MASAHIKO·Filed 2012·Application pending·0 cites
- 1040US2009281142A1Thiazole derivativeASTELLAS PHARMA INC·Filed 2006·Application pending·0 cites
- 1133US2012277208A1Benzamide compoundHAYAKAWA MASAHIKO·Filed 2010·Application pending·0 cites
- 1232US2012046292A1Diacylethylenediamine compoundKAWANO TOMOAKI·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →