Inventor · disambiguated record
Toshihito Kumagai
Also filed as: KUMAGAI TOSHIHITO
24 granted patents·2 pending applications·252 citations·filing 1996–2013
95Inventor score
Top patents by PatentIndex Score
26 records- 0195US6333428B16-fluorobicyclo[3.1.0]hexane derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1999·Granted Dec 25, 2001·76 cites·13 claims
- 0291US6316498B1Fluorine-containing amino acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1999·Granted Nov 13, 2001·43 cites·8 claims
- 0384US6852732B2Tetrahydropyridino or piperidino heterocylic derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 2001·Granted Feb 8, 2005·20 cites·4 claims
- 0481US6600038B1Carbamoyl tetrahydropyridine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 2000·Granted Jul 29, 2003·14 cites·7 claims
- 0579US6407121B1Arylpiperidine derivatives and use thereofNIHON NOHYAKU CO LTD·Filed 1998·Granted Jun 18, 2002·24 cites·13 claims
- 0677US8044068B2Aminopyrrolidine compoundTAISHO PHARMACEUTICAL CO LTD·Filed 2007·Granted Oct 25, 2011·5 cites·23 claims
- 0777US6187781B14-Tetrahydropyridylpyrimidine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1998·Granted Feb 13, 2001·23 cites·6 claims
- 0876US6770676B2Dicarboxylic acid derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 2001·Granted Aug 3, 2004·11 cites·6 claims
- 0971US6825375B2Intermediate and process for producing fluorinated carboxylic acid derivative from the sameTAISHO PHARMACEUTICAL CO LTD·Filed 2001·Granted Nov 30, 2004·5 cites·4 claims
- 1068US6479674B1Carboxylic acid derivatives and process for producing sameTAISHO PHARMACEUTICAL CO LTD·Filed 2000·Granted Nov 12, 2002·3 cites·2 claims
- 1168US6380384B11,2-dihydro-2-oxoquinoline derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 2001·Granted Apr 30, 2002·3 cites·2 claims
- 1266US6500958B2Carboxylic acid derivatives and process for producing the sameTAISHO PHARMACEUTICAL CO LTD·Filed 2002·Granted Dec 31, 2002·3 cites·1 claims
- 1362US7160900B2Tetrahydropyridino or piperidino heterocyclic derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 2004·Granted Jan 9, 2007·2 cites·10 claims
- 1461US7528124B21,3-dihydro-2H-indol-2-one derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 2004·Granted May 5, 2009·2 cites·8 claims
- 1561US6281355B1Nitrogen-containing tetracyclic compoundsTAISHO PHARMACEUTICAL CO LTD·Filed 1998·Granted Aug 28, 2001·9 cites·1 claims
- 1658US6806275B2Arylpiperidine derivatives and use thereofNIHON NOHYAKU CO LTD·Filed 2002·Granted Oct 19, 2004·1 cites·7 claims
- 1754US6894168B2Carbamoyl tetrahydropyridine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 2003·Granted May 17, 2005·0 cites·1 claims
- 1853US2014094613A1Process for producing 3-alkoxy-2-amino-6-fluorobicyclo [3.1.0] hexane-2,6-dicarboxylic acid derivative and intermediate thereofTAISHO PHARMACEUTICAL CO LTD·Filed 2013·Application pending·0 cites
- 1946US6166033A2-carbonylthiazole derivatives and use of the sameTAISHO PHARMACEUTICAL CO LTD·Filed 1997·Granted Dec 26, 2000·3 cites·8 claims
- 2044US6329525B11,2-Dihydro-2-oxoquinoline derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1998·Granted Dec 11, 2001·2 cites·2 claims
- 2140US8642777B2Process for producing 3-alkoxy-2-amino-6-fluorobicyclo [3.1.0] hexane-2,6-dicarboxylic acid derivative and intermediate thereofMURASE NORIAKI·Filed 2010·Granted Feb 4, 2014·0 cites·3 claims
- 2240US7601734B2Cyclic amine compoundTAISHO PHARMACEUTICAL CO LTD·Filed 2005·Granted Oct 13, 2009·0 cites·8 claims
- 2337US2004082806A1Process for producing bicyclocarboxylic acid derivativeFiled 2002·Application pending·0 cites
- 2434US6291467B1Heteroaromatic derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1998·Granted Sep 18, 2001·1 cites·6 claims
- 2530US5990151AOptically active substituted phenylalkylamine derivativesTAISHO PHARMACEUTICAL CO LTD·Filed 1996·Granted Nov 23, 1999·2 cites·6 claims
- 2629US6392086B1Intermediates and process for producing fluorine-containing amino acid compound by using the sameTAISHO PHARMACEUTICAL CO LTD·Filed 1999·Granted May 21, 2002·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →