Inventor · disambiguated record
Takeshi Oura
Also filed as: OURA TAKESHI
12 granted patents·82 citations·filing 1985–1999
89Inventor score
Top patents by PatentIndex Score
12 records- 0187US6124466ANitroisourea derivativeMITSUI CHEMICALS INC·Filed 1999·Granted Sep 26, 2000·43 cites·11 claims
- 0273US5113009APreparation and isolation of mineral acid salt of an amino acid methyl esterMITSUI TOATSU CHEMICALS·Filed 1989·Granted May 12, 1992·11 cites·13 claims
- 0356US4745210APreparation process of N-formyl-α-aspartyl phenylalanineMITSUI TOATSU CHEMICALS·Filed 1985·Granted May 17, 1988·11 cites·3 claims
- 0446US4780561APreparation process of α-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereofMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 25, 1988·6 cites·7 claims
- 0537US4801732APreparation process of α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jan 31, 1989·3 cites·9 claims
- 0635US4962222APreparation process of α-l-aspartyl-l-phenylalanine methyl ester having low hygroscopicityMITSUI TOATSU CHEMICALS·Filed 1989·Granted Oct 9, 1990·2 cites·8 claims
- 0735US4778916APreparation process of α-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereofMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 18, 1988·2 cites·2 claims
- 0832US5302743APreparation of N-protected α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1992·Granted Apr 12, 1994·1 cites·20 claims
- 0932US5283357ASeparation method of α-l-aspartyl-l-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 1, 1994·1 cites·24 claims
- 1032US4918216APreparation process of α-l-aspartyl-l-phenyl-alanine methyl ester or hydrohalide thereofMITSUI TOATSU CHEMICALS·Filed 1989·Granted Apr 17, 1990·1 cites·23 claims
- 1132US4897506AIsolation of alpha-l-aspartyl-l-phenylalanine methyl ester from aqueous mediumMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jan 30, 1990·1 cites·18 claims
- 1230US5206413AMethod for preparing α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1990·Granted Apr 27, 1993·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →