Inventor · disambiguated record
Atsuhiko Nitta
Also filed as: NITTA ATSUHIKO
18 granted patents·704 citations·filing 1983–1996
96Inventor score
Files withMITSUI TOATSU CHEMICALS18
Top patents by PatentIndex Score
18 records- 0198US4835312AProduction process of N-substituted amide compoundsMITSUI TOATSU CHEMICALS·Filed 1986·Granted May 30, 1989·171 cites·1 claims
- 0294US4828710AMethod for the extraction of water from macromolecular solutionsMITSUI TOATSU CHEMICALS·Filed 1987·Granted May 9, 1989·104 cites·4 claims
- 0394US4649219AUnsaturated cyclic amido-substituted ether compounds and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1985·Granted Mar 10, 1987·52 cites·4 claims
- 0493US5200668ALuminescence elementMITSUI TOATSU CHEMICALS·Filed 1989·Granted Apr 6, 1993·91 cites·7 claims
- 0590US4729834AMethod for adsorbing and desorbingMITSUI TOATSU CHEMICALS·Filed 1986·Granted Mar 8, 1988·63 cites·20 claims
- 0686US5519088AHardenable composition, aqueous gel and applications thereofMITSUI TOATSU CHEMICALS·Filed 1994·Granted May 21, 1996·43 cites·11 claims
- 0784US4718899AUrine absorbing and holding materialMITSUI TOATSU CHEMICALS·Filed 1985·Granted Jan 12, 1988·38 cites·11 claims
- 0874US5306572AEL element comprising organic thin filmMITSUI TOATSU CHEMICALS·Filed 1992·Granted Apr 26, 1994·35 cites·18 claims
- 0972US5039757AMethod of manufacturing cationic acrylamide polymers, cationic acrylamide polymers, and the applications of these polymersMITSUI TOATSU CHEMICALS·Filed 1989·Granted Aug 13, 1991·19 cites·11 claims
- 1067US4683258AAgent for absorbing and releasing water vaporMITSUI TOATSU CHEMICALS·Filed 1986·Granted Jul 28, 1987·28 cites·9 claims
- 1163US5239014ACationic acrylamide polymers and the applications of these polymersMITSUI TOATSU CHEMICALS·Filed 1991·Granted Aug 24, 1993·14 cites·9 claims
- 1260US5624998AHardenable composition, aqueous gel and applicationsMITSUI TOATSU CHEMICALS·Filed 1996·Granted Apr 29, 1997·13 cites·10 claims
- 1357US4659773AProcess for preparing amidoalkanesulfonic acids polymersMITSUI TOATSU CHEMICALS·Filed 1985·Granted Apr 21, 1987·9 cites·2 claims
- 1453US4701283AProcess for preparing amidoalkanesulfonic acidsMITSUI TOATSU CHEMICALS·Filed 1983·Granted Oct 20, 1987·7 cites·7 claims
- 1549US5292821ACatonic acrylamide polymers and the applications of these polymersMITSUI TOATSU CHEMICALS·Filed 1993·Granted Mar 8, 1994·7 cites·15 claims
- 1643US5155191APreparation process of granular polymersMITSUI TOATSU CHEMICALS·Filed 1992·Granted Oct 13, 1992·5 cites·12 claims
- 1743US4725499APolymer-coated solid materialsMITSUI TOATSU CHEMICALS·Filed 1986·Granted Feb 16, 1988·5 cites·3 claims
- 1831US4654177AHydroxyalkanesulfonic acids and their derivatives and process for preparing sameMITSUI TOATSU CHEMICALS·Filed 1985·Granted Mar 31, 1987·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →