Inventor · disambiguated record
Chojiro Higuchi
Also filed as: HIGUCHI CHOJIRO
32 granted patents·3 pending applications·360 citations·filing 1979–2016
97Inventor score
Top patents by PatentIndex Score
35 records- 0187US5914381ADegradable polymer and preparation process of the sameMITSUI CHEMICALS INC·Filed 1997·Granted Jun 22, 1999·50 cites·18 claims
- 0286US5428126AAliphatic polyester and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jun 27, 1995·42 cites·17 claims
- 0385US5401796AAliphatic polyester and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1994·Granted Mar 28, 1995·31 cites·19 claims
- 0483US5847011ADegradable copolymer and preparation process thereofMITSUI CHEMICALS INC·Filed 1996·Granted Dec 8, 1998·39 cites·18 claims
- 0583US5637631APreparation process of degradable polymerMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jun 10, 1997·39 cites·14 claims
- 0675US4675439APreparation process of N-acylphenylalaninesMITSUI TOATSU CHEMICALS·Filed 1985·Granted Jun 23, 1987·12 cites·18 claims
- 0775US4612388AProcess for producing N-acylphenylalaninesMITSUI TOATSU CHEMICALS·Filed 1985·Granted Sep 16, 1986·12 cites·15 claims
- 0873US8288463B2Polylactic acid based resin, polylactic acid based resin composition, molded body of polylactic acid based resin or polylactic acid based resin composition, and method for producing polylactic acid based resinURAKAMI TATSUHIRO·Filed 2009·Granted Oct 16, 2012·3 cites·18 claims
- 0973US5113009APreparation and isolation of mineral acid salt of an amino acid methyl esterMITSUI TOATSU CHEMICALS·Filed 1989·Granted May 12, 1992·11 cites·13 claims
- 1072US5817728APreparation of degradable copolymersMITSUI CHEMICALS INC·Filed 1996·Granted Oct 6, 1998·31 cites·7 claims
- 1169US7534909B2(Meth) acrylic ester compound and use thereofMITSUI CHEMICALS INC·Filed 2004·Granted May 19, 2009·5 cites·18 claims
- 1268US4342700AOxidation-reduction reagents for a wet desulfurization process and a process for preparing sameMITSUI TOATSU CHEMICALS·Filed 1981·Granted Aug 3, 1982·5 cites·4 claims
- 1366US4276187AOxidation-reduction reagents for a wet desulfurization process and a process for preparing sameMITSUI TOATSU CHEMICALS·Filed 1979·Granted Jun 30, 1981·9 cites·4 claims
- 1460US5424477APreparation process of α-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jun 13, 1995·18 cites·6 claims
- 1560US4605759AProcess for production of β-phenylserineMITSUI TOATSU CHEMICALS·Filed 1984·Granted Aug 12, 1986·5 cites·5 claims
- 1656US6001891ABiodegradable aliphatic polyester elastomer and preparation process of sameMITSUI CHEMICALS INC·Filed 1997·Granted Dec 14, 1999·13 cites·12 claims
- 1756US4745210APreparation process of N-formyl-α-aspartyl phenylalanineMITSUI TOATSU CHEMICALS·Filed 1985·Granted May 17, 1988·11 cites·3 claims
- 1854US4304933AProduction of DL-serineMITSUI TOATSU CHEMICALS·Filed 1980·Granted Dec 8, 1981·3 cites·8 claims
- 1954US2016264851A1Aqueous Dispersion and Additives for Fracturing WorkMITSUI CHEMICALS INC·Filed 2016·Application pending·0 cites
- 2053US2014073539A1Aqueous dispersion and additives for fracturing workMITSUI CHEMICALS INC·Filed 2013·Application pending·0 cites
- 2148US7008571B2Optical component and sulfur-containing poly(thio)ester (co)polymerMITSUI CHEMICALS INC·Filed 2002·Granted Mar 7, 2006·2 cites·37 claims
- 2246US4780561APreparation process of α-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereofMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 25, 1988·6 cites·7 claims
- 2344US2019002691A1Copolymer, production method thereof, and resin compositionMITSUI CHEMICALS INC·Filed 2016·Application pending·0 cites
- 2439US4393000ACyclization process for producing aziridine-2-carboxylic acid or its saltsMITSUI TOATSU CHEMICALS·Filed 1980·Granted Jul 12, 1983·1 cites·13 claims
- 2537US4801732APreparation process of α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jan 31, 1989·3 cites·9 claims
- 2635US4962222APreparation process of α-l-aspartyl-l-phenylalanine methyl ester having low hygroscopicityMITSUI TOATSU CHEMICALS·Filed 1989·Granted Oct 9, 1990·2 cites·8 claims
- 2735US4778916APreparation process of α-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereofMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 18, 1988·2 cites·2 claims
- 2835US4484003APreparation process of β-chloroalanineMITSUI TOATSU CHEMICALS·Filed 1982·Granted Nov 20, 1984·1 cites·4 claims
- 2932US5302743APreparation of N-protected α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1992·Granted Apr 12, 1994·1 cites·20 claims
- 3032US5283357ASeparation method of α-l-aspartyl-l-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 1, 1994·1 cites·24 claims
- 3132US4918216APreparation 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
- 3232US4897506AIsolation of alpha-l-aspartyl-l-phenylalanine methyl ester from aqueous mediumMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jan 30, 1990·1 cites·18 claims
- 3331US4453008AProduction process of DL-cysteinMITSUI TOATSU CHEMICALS·Filed 1982·Granted Jun 5, 1984·0 cites·7 claims
- 3431US4338259AAlpha-halogeno-beta-aminopropionitriles or the mineral acid salts thereof, and processes for production thereofMITSUI TOATSU CHEMICALS·Filed 1980·Granted Jul 6, 1982·0 cites·15 claims
- 3530US5206413AMethod 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 →