Inventor · disambiguated record
Toshio Katoh
Also filed as: KATOH TOSHIO
22 granted patents·1 pending application·217 citations·filing 1978–2005
95Inventor score
Top patents by PatentIndex Score
23 records- 0185US5986042ACross-linked polymerMITSUI CHEMICALS INC·Filed 1998·Granted Nov 16, 1999·45 cites·12 claims
- 0283US6346569B1Production process of cross-linked polysuccinimide resinMITSUI CHEMICALS INC·Filed 2000·Granted Feb 12, 2002·17 cites·11 claims
- 0382US6072024AProduction process of cross-linked polyaspartic acid resinMITSUI CHEMICALS INC·Filed 1998·Granted Jun 6, 2000·32 cites·15 claims
- 0479US4239998AMethod for electrically insulating an electrically conducting article and product produced therebyHITACHI LTD·Filed 1978·Granted Dec 16, 1980·25 cites·21 claims
- 0575US4675439APreparation process of N-acylphenylalaninesMITSUI TOATSU CHEMICALS·Filed 1985·Granted Jun 23, 1987·12 cites·18 claims
- 0675US4612388AProcess for producing N-acylphenylalaninesMITSUI TOATSU CHEMICALS·Filed 1985·Granted Sep 16, 1986·12 cites·15 claims
- 0773US5571889APolymer containing monomer units of chemically modified polyaspartic acids or their salts and process for preparing the sameMITSUI TOATSU CHEMICALS·Filed 1995·Granted Nov 5, 1996·25 cites·7 claims
- 0873US5113009APreparation and isolation of mineral acid salt of an amino acid methyl esterMITSUI TOATSU CHEMICALS·Filed 1989·Granted May 12, 1992·11 cites·13 claims
- 0960US4605759AProcess for production of β-phenylserineMITSUI TOATSU CHEMICALS·Filed 1984·Granted Aug 12, 1986·5 cites·5 claims
- 1056US4745210APreparation process of N-formyl-α-aspartyl phenylalanineMITSUI TOATSU CHEMICALS·Filed 1985·Granted May 17, 1988·11 cites·3 claims
- 1146US4780561APreparation process of α-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereofMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 25, 1988·6 cites·7 claims
- 1244US2007117960A1Crosslinked polymide compound and use thereofMITSUI CHEMICALS INC·Filed 2005·Application pending·0 cites
- 1337US4801732APreparation process of α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jan 31, 1989·3 cites·9 claims
- 1435US4962222APreparation process of α-l-aspartyl-l-phenylalanine methyl ester having low hygroscopicityMITSUI TOATSU CHEMICALS·Filed 1989·Granted Oct 9, 1990·2 cites·8 claims
- 1535US4778916APreparation process of α-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereofMITSUI TOATSU CHEMICALS·Filed 1987·Granted Oct 18, 1988·2 cites·2 claims
- 1635US4484003APreparation process of β-chloroalanineMITSUI TOATSU CHEMICALS·Filed 1982·Granted Nov 20, 1984·1 cites·4 claims
- 1732US6657041B1Production process of polysuccinimideMITSUI CHEMICALS INC·Filed 1999·Granted Dec 2, 2003·4 cites·17 claims
- 1832US5302743APreparation of N-protected α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1992·Granted Apr 12, 1994·1 cites·20 claims
- 1932US5283357ASeparation method of α-l-aspartyl-l-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 1, 1994·1 cites·24 claims
- 2032US4918216APreparation 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
- 2132US4897506AIsolation of alpha-l-aspartyl-l-phenylalanine methyl ester from aqueous mediumMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jan 30, 1990·1 cites·18 claims
- 2231US4453008AProduction process of DL-cysteinMITSUI TOATSU CHEMICALS·Filed 1982·Granted Jun 5, 1984·0 cites·7 claims
- 2330US5206413AMethod for preparing α-L-aspartyl-L-phenylalanine methyl esterMITSUI TOATSU CHEMICALS·Filed 1990·Granted Apr 27, 1993·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Toshio Katoh files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →