Inventor · disambiguated record
Mitsumasa Umemoto
Also filed as: UMEMOTO MITSUMASA
12 granted patents·57 citations·filing 1982–1992
89Inventor score
Files withMITSUI TOATSU CHEMICALS12
Top patents by PatentIndex Score
12 records- 0171US4692466AN-(2-chloro-4-trifluoromethylphenyl)-3-trifluoromethylbenzenesulfonamide derivative and agricultural fungicide containing sameMITSUI TOATSU CHEMICALS·Filed 1986·Granted Sep 8, 1987·13 cites·8 claims
- 0265US4918106AN-(2-chloro-4-nitrophenyl)-3-trifluoromethyl-benzenesulfonamide derivative and agricultural fungicide containing sameMITSUI TOATSU CHEMICALS·Filed 1988·Granted Apr 17, 1990·7 cites·8 claims
- 0365US4870107AN-(2-chloro-4-nitrophenyl)-(benzenesulfonamide derivative and agricultural fungicide containing sameMITSUI TOATSU CHEMICALS·Filed 1987·Granted Sep 26, 1989·7 cites·13 claims
- 0465US4542243AProcess for producing 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethersMITSUI TOATSU CHEMICALS·Filed 1983·Granted Sep 17, 1985·8 cites·8 claims
- 0563US4851445AN-(2-Chloro-4-nitrophenyl)-benezene-sulfonamide derivative and agricultural fungicide containing sameMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jul 25, 1989·6 cites·6 claims
- 0663US4551478A3-Nitrobenzene sulfonanilide derivatives and fungicidal compositions for the control of plant diseases containing sameMITSUI TOATSU CHEMICALS·Filed 1982·Granted Nov 5, 1985·6 cites·8 claims
- 0755US5221769AProduction of p-acetylaminophenol from p-aminophenyl acetateMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jun 22, 1993·5 cites·8 claims
- 0848US5105021APreparation of a difluorohalomethoxybenzeneMITSUI TOATSU CHEMICALS·Filed 1990·Granted Apr 14, 1992·4 cites·7 claims
- 0929US5104491AMethod for purifying pentachloronitrobenzene by solid base treatmentMITSUI TOATSU CHEMICALS·Filed 1991·Granted Apr 14, 1992·1 cites·15 claims
- 1028US5144083AProcess for producing p-hydroxyneophyl m-phenoxybenzyl etherMITSUI TOATSU CHEMICALS·Filed 1990·Granted Sep 1, 1992·0 cites·27 claims
- 1125US4873373AProcess for preparation of 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethersMITSUI TOATSU CHEMICALS·Filed 1986·Granted Oct 10, 1989·0 cites·7 claims
- 1222US5208400AProcess for producing allyl bromidesMITSUI TOATSU CHEMICALS·Filed 1992·Granted May 4, 1993·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →