Inventor · disambiguated record
Kunisuke Izawa
Also filed as: IZAWA KUNISUKE
62 granted patents·20 pending applications·232 citations·filing 1988–2010
98Inventor score
Top patents by PatentIndex Score
82 records- 0187US7351571B2Process for the production of β-amino acids using acylaseAJINOMOTO KK·Filed 2005·Granted Apr 1, 2008·7 cites·6 claims
- 0282US6500946B1Methods for producing nucleoside derivatives and intermediates thereforAJINOMOTO KK·Filed 2000·Granted Dec 31, 2002·11 cites·13 claims
- 0378US6764545B2Production method of epoxide crystalAJINOMOTO KK·Filed 2001·Granted Jul 20, 2004·9 cites·20 claims
- 0476US7491822B2Production method of aminopyrimidine compoundAJINOMOTO KK·Filed 2005·Granted Feb 17, 2009·1 cites·12 claims
- 0576US6765100B2Method for producing epoxide crystalAJINOMOTO KK·Filed 2001·Granted Jul 20, 2004·9 cites·57 claims
- 0675US6639094B2Process for producing α-aminoketone derivativesAJINOMOTO KK·Filed 2001·Granted Oct 28, 2003·8 cites·19 claims
- 0772US6761767B2Production method of famciclovir and production and crystallization method of intermediate thereforAJINOMOTO KK·Filed 2002·Granted Jul 13, 2004·5 cites·33 claims
- 0872US5792868AProcess for producing acyclic nucleosides and process for separating purine nucleosidesAJINOMOTO KK·Filed 1994·Granted Aug 11, 1998·14 cites·21 claims
- 0972US5767316AProcess for producing 3-amino-2-oxo-1-halogenopropane derivativesAJINOMOTO KK·Filed 1996·Granted Jun 16, 1998·11 cites·18 claims
- 1069US6888012B2Process for producing optically active halohydrin compoundAJINOMOTO KK·Filed 2001·Granted May 3, 2005·5 cites·16 claims
- 1169US6683214B2Process for producing α-aminoketonesAJINOMOTO KK·Filed 2002·Granted Jan 27, 2004·4 cites·12 claims
- 1266US5883284AMethod for producing α-hydroxy-β-aminocarboxylic acidsAJINOMOTO KK·Filed 1998·Granted Mar 16, 1999·6 cites·2 claims
- 1365US6239308B1Method for producing α-hydroxy-β-aminocarboxylic acidsAJINOMOTO KK·Filed 2000·Granted May 29, 2001·2 cites·1 claims
- 1464US6252075B1Process for producing purine derivativesAJINOMOTO KK·Filed 1999·Granted Jun 26, 2001·9 cites·6 claims
- 1564US5959139AProcess for producing optically active 2-hydroxy-4-arylbutyric acid or its esterAJINOMOTO KK·Filed 1996·Granted Sep 28, 1999·7 cites·9 claims
- 1664US2009171084A1Production method of aminopyrimidine compoundAJINOMOTO KK·Filed 2008·Application pending·0 cites
- 1764US2009137803A15-protected aminopyrimidine compound, production method thereof and intermediate thereforAJINOMOTO KK·Filed 2009·Application pending·0 cites
- 1862US7833760B2Process for the production of β-amino acids using acylaseAJINOMOTO KK·Filed 2007·Granted Nov 16, 2010·0 cites·6 claims
- 1962US2008188667A1Azlactone compound and method for preparation thereofAJINOMOTO KK·Filed 2008·Application pending·0 cites
- 2061US6906224B2Process for producing α-aminoketonesAJINOMOTO KK·Filed 2003·Granted Jun 14, 2005·1 cites·7 claims
- 2161US6500985B2Process for producing alpha-aminoketonesAJINOMOTO KK·Filed 2001·Granted Dec 31, 2002·2 cites·12 claims
- 2260US5336770ATransglycosilation process for producing acyclic nucleosidesAJINOMOTO KK·Filed 1992·Granted Aug 9, 1994·14 cites·2 claims
- 2359US7145030B2Production method for optically active N-aryl-β-amino acid compoundsAJINOMOTO KK·Filed 2004·Granted Dec 5, 2006·2 cites·18 claims
- 2459US6538160B2Process for producing α-aminohalomethyl ketone derivativesAJINOMOTO KK·Filed 2000·Granted Mar 25, 2003·4 cites·15 claims
- 2559US5831092AProcess for producing purine derivativesAJINOMOTO KK·Filed 1996·Granted Nov 3, 1998·6 cites·5 claims
- 2659US5625057AProcess for preparing 2',3'-Dideoxy-2',3'-dehydronucleosidesAJINOMOTO KK·Filed 1994·Granted Apr 29, 1997·12 cites·3 claims
- 2758US5633366APyrimidine nucleoside derivatives and methods for producing themAJINOMOTO KK·Filed 1994·Granted May 27, 1997·13 cites·5 claims
- 2857US7122696B2Processes for preparation of N-protected-β-amino alcohols and N-protected-β-amino epoxidesAJINOMOTO KK·Filed 2001·Granted Oct 17, 2006·1 cites·28 claims
- 2957US6090937AMethods for producing nucleoside derivatives and intermediates thereforAJINOMOTO KK·Filed 1999·Granted Jul 18, 2000·5 cites·16 claims
- 3056US7507738B25-protected aminopyrimidine compound, production method thereof and intermediate thereforAJINOMOTO KK·Filed 2005·Granted Mar 24, 2009·0 cites·16 claims
- 3155US7358368B2Azlactone compound and method for preparation thereofAJINOMOTO KK·Filed 2004·Granted Apr 15, 2008·0 cites·4 claims
- 3255US6031121AMethod for producing optically active phenylpropionic acid derivativeAJINOMOTO KK·Filed 1999·Granted Feb 29, 2000·4 cites·24 claims
- 3354US6197552B1Process for preparing 2,6-diaminopurine-2′-deoxyriboside and 2′-deoxyguanosineAJINOMOTO KK·Filed 1998·Granted Mar 6, 2001·5 cites·5 claims
- 3454US5817859Aα-acyloxy-β-amino-thiocarboxylic acid estersAJINOMOTO KK·Filed 1997·Granted Oct 6, 1998·3 cites·18 claims
- 3554US5688948AProcess for isomerizing acyclic nucleosides and process for separating purine nucleosidesAJINOMOTO KK·Filed 1995·Granted Nov 18, 1997·6 cites·6 claims
- 3654US2003004330A1Methods for producing nucleoside derivatives and intermediates thereforAJINOMOTO KK·Filed 2002·Application pending·0 cites
- 3753US5451671AMethod of purifying 2',3'-dideoxynucleosidesAJINOMOTO KK·Filed 1993·Granted Sep 19, 1995·7 cites·8 claims
- 3853US2002042537A1Method for producing lysine derivativeAJINOMOTO KK·Filed 2001·Application pending·0 cites
- 3952US2009005560A1Production method of diaminopyrimidine compoundsAJINOMOTO KK·Filed 2008·Application pending·0 cites
- 4052US2003204079A1Process for producing 2', 3'-diethy substituted nucleoside derivativesAJINOMOTO KK·Filed 2003·Application pending·0 cites
- 4151US7345164B2Production method of 5′-acyloxynucleoside compoundAJINOMOTO KK·Filed 2004·Granted Mar 18, 2008·0 cites·7 claims
- 4251US6696571B2Process for producing α-aminoketonesAJINOMOTO KK·Filed 2002·Granted Feb 24, 2004·0 cites·16 claims
- 4351US5041579APlatinum complexes and uses therewithAJINOMOTO KK·Filed 1988·Granted Aug 20, 1991·4 cites·6 claims
- 4451US2008015353A1Process for production of 4-acetylpyrimidines and crystals thereofAJINOMOTO KK·Filed 2007·Application pending·0 cites
- 4550US6245910B1Process for producing purine derivativesAJINOMOTO KK·Filed 1999·Granted Jun 12, 2001·3 cites·1 claims
- 4650US6087497AProcess for producing purine derivativesAJINOMOTO KK·Filed 1998·Granted Jul 11, 2000·3 cites·7 claims
- 4750US2003204080A1Methods for producing nucleoside derivatives and intermediates thereforAJINOMOTO KK·Filed 2003·Application pending·0 cites
- 4850US2005171126A1Process for the production of purine nucleoside compoundsAJINOMOTO KK·Filed 2004·Application pending·0 cites
- 4949US6570039B2Process for producing α-aminoketonesAJINOMOTO KK·Filed 2001·Granted May 27, 2003·0 cites·10 claims
- 5048US7816513B2Inosine derivatives and production methods thereforAJINOMOTO KK·Filed 2005·Granted Oct 19, 2010·0 cites·18 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →