Inventor · disambiguated record
Katsumasa Harada
Also filed as: HARADA KATSUMASA
40 granted patents·188 citations·filing 1980–2007
97Inventor score
Top patents by PatentIndex Score
40 records- 0183US7314930B2Process for preparing dibenzothiazepine derivativesUBE INDUSTRIES·Filed 2006·Granted Jan 1, 2008·6 cites·5 claims
- 0279US5178663A3-alkoxyalkanoic acid derivative, process for preparing the same and herbicide using the sameUBE INDUSTRIES·Filed 1991·Granted Jan 12, 1993·21 cites·10 claims
- 0378US5387575APyrimidine derivatives, process for preparing the same and herbicide using the sameUBE INDUSTRIES·Filed 1992·Granted Feb 7, 1995·17 cites·10 claims
- 0475US6541636B2Process for preparing quinolylacrylonitrile and intermediates thereforUBE INDUSTRIES·Filed 2001·Granted Apr 1, 2003·7 cites·20 claims
- 0574US6143917AProcess for producing aryl carbamatesUBE INDUSTRIES·Filed 1998·Granted Nov 7, 2000·16 cites·17 claims
- 0672US6900335B2Process for producing 5-fluorooxindole and for producing intermediates thereforUBE INDUSTRIES·Filed 2001·Granted May 31, 2005·4 cites·20 claims
- 0768US5834615AProcess for producing diaryl carbonateUBE INDUSTRIES·Filed 1997·Granted Nov 10, 1998·10 cites·9 claims
- 0867US5811573AProcess for producing a diaryl carnonateUBE INDUSTRIES·Filed 1997·Granted Sep 22, 1998·9 cites·14 claims
- 0966US6653489B2Processes for producing tetrahydropyranyl-4-sulfonates and 4-aminotetrahydropyran compoundsUBE INDUSTRIES·Filed 2000·Granted Nov 25, 2003·3 cites·18 claims
- 1066US6603024B1Process for the preparation of 3,4-methylenedioxymandelic acidUBE INDUSTRIES·Filed 2000·Granted Aug 5, 2003·3 cites·25 claims
- 1164US5648510AProcess for preparation of diaryl carbonateUBE INDUSTRIES·Filed 1996·Granted Jul 15, 1997·10 cites·16 claims
- 1264US4269982AProcess for preparing 5-amino-1,2,3-thiadiazolesUBE INDUSTRIES·Filed 1980·Granted May 26, 1981·5 cites·6 claims
- 1363US5973184AProcess for preparing a dialkyl carbonate by gas-phase decarbonylation of dialkyl oxalateUBE INDUSTRIES·Filed 1998·Granted Oct 26, 1999·8 cites·13 claims
- 1459US5792883APreparation of diaryl carbonateUBE INDUSTRIES·Filed 1997·Granted Aug 11, 1998·7 cites·12 claims
- 1559US5731453AProcess for producing a diaryl carbonateUBE INDUSTRIES·Filed 1997·Granted Mar 24, 1998·6 cites·30 claims
- 1658US5892091ACatalyst for decarbonylation reactionUBE INDUSTRIES·Filed 1997·Granted Apr 6, 1999·7 cites·12 claims
- 1757US5994553AMethod for preparing 2-mercaptothiazoleUBE INDUSTRIES·Filed 1998·Granted Nov 30, 1999·7 cites·18 claims
- 1857US5717124AProcess for preparation of oxyglutaric acid ester derivativesUBE INDUSTRIES·Filed 1995·Granted Feb 10, 1998·8 cites·4 claims
- 1956US6630591B2Process for the preparation of quinolylpropenalUBE INDUSTRIES·Filed 2001·Granted Oct 7, 2003·1 cites·9 claims
- 2055US7342040B25-fluorooxindole-3-carboxylic acid esterUBE INDUSTRIES·Filed 2005·Granted Mar 11, 2008·0 cites·20 claims
- 2151US6169209B1Preparation of organic phosphonium chlorideUBE INDUSTRIES·Filed 1998·Granted Jan 2, 2001·5 cites·9 claims
- 2250US5677455APreparation of 3-oxy-5-oxo-6-heptenoic acid derivativesUBE INDUSTRIES·Filed 1995·Granted Oct 14, 1997·4 cites·11 claims
- 2348US6111115APreparation of 2-(10,11-dihydro-10-oxodibenzo-[b,f]thiepin-2-yl) propionic acidNIPPON CHEMIPHAR CO·Filed 1997·Granted Aug 29, 2000·3 cites·24 claims
- 2447US7671195B2Process for preparing dibenzothiazepine compoundsASTRAZENECA UK LTD·Filed 2007·Granted Mar 2, 2010·0 cites·17 claims
- 2547US5696301AProcess for preparing protocatechualdehydeUBE INDUSTRIES·Filed 1997·Granted Dec 9, 1997·3 cites·9 claims
- 2647US4625025AProcess for producing a 2H-1,3-thiazolidine, 2H-tetrahydro-1,3-thiazine, or 2H-hexahydro-1,3-thiazepine derivative substituted at the 2 position by a nitromethylene group derivativeUBE INDUSTRIES·Filed 1984·Granted Nov 25, 1986·2 cites·10 claims
- 2746US6841681B2Process for producing quinoline carboxyaldehyde derivative and intermediate thereofNISSAN CHEMICAL IND LTD·Filed 2002·Granted Jan 11, 2005·0 cites·8 claims
- 2843US5922827AProcess for producing a polycarbonateUBE INDUSTRIES·Filed 1997·Granted Jul 13, 1999·7 cites·21 claims
- 2942US7045621B1Process for producing dibenzothiazepine derivativesASTRAZENECA UK LTD·Filed 1999·Granted May 16, 2006·4 cites·2 claims
- 3042US6689895B24, 8-dodecadienedinitrile and process for its productionUBE INDUSTRIES·Filed 2001·Granted Feb 10, 2004·0 cites·5 claims
- 3141US6881863B2Process for producing 2-halogenocycloalkanone oximeUBE INDUSTRIES·Filed 2002·Granted Apr 19, 2005·0 cites·8 claims
- 3240US5892126AProcess for preparing 4-fluoro-3-trifluoromethylphenolUBE INDUSTRIES·Filed 1997·Granted Apr 6, 1999·2 cites·7 claims
- 3339US4376080AProcess for preparing malononitrileUBE INDUSTRIES·Filed 1981·Granted Mar 8, 1983·1 cites·20 claims
- 3438US7049458B2Process for producing β-ketonitrile compoundUBE INDUSTRIES·Filed 2001·Granted May 23, 2006·0 cites·8 claims
- 3538US6686482B2Process for preparing piperonalUBE INDUSTRIES·Filed 2001·Granted Feb 3, 2004·0 cites·15 claims
- 3637US5457225AProcess for preparation of 5-hydroxy-3-ketoester derivative and optically active substance thereofUBE INDUSTRIES·Filed 1994·Granted Oct 10, 1995·2 cites·25 claims
- 3734US5529977ATriazine derivative, process for preparing the same and herbicide using the sameUBE INDUSTRIES·Filed 1994·Granted Jun 25, 1996·0 cites·9 claims
- 3833US5744604APreparation of 3-oxy-5-oxo-6-heptenoic acid derivativesUBE INDUSTRIES·Filed 1997·Granted Apr 28, 1998·0 cites·4 claims
- 3931US4665172AProcess for producing heterocyclic compound having nitromethylene group as the side chain groupUBE INDUSTRIES·Filed 1984·Granted May 12, 1987·0 cites·13 claims
- 4030US5892089AProcess for preparing diaryl carbonateUBE INDUSTRIES·Filed 1997·Granted Apr 6, 1999·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →