Inventor · disambiguated record
Nobuo Soma
Also filed as: KURUMADA TOMOYUKI · RODY JEAN · SOMA NOBUO
16 granted patents·259 citations·filing 1974–1982
94Inventor score
Top patents by PatentIndex Score
16 records- 0197US4141883AStabilization of synthetic polymers by penta-or-hexa-substituted 4-piperidinol derivativesSANKYO CO·Filed 1977·Granted Feb 27, 1979·58 cites·16 claims
- 0294US4191683ADerivatives of 4-aminopiperidine as stabilizers for polymersCIBA GEIGY CORP·Filed 1977·Granted Mar 4, 1980·51 cites·13 claims
- 0390US4105626ADerivatives of 4-oxopiperidines and their use as polymer stabilizersCIBA GEIGY CORP·Filed 1976·Granted Aug 8, 1978·20 cites·24 claims
- 0489US4097587A1,3,8-Triazaspiro 4.5!decane-2,4-dione polymer stabilizersSANKYO CO·Filed 1976·Granted Jun 27, 1978·19 cites·14 claims
- 0583US4075165AStabilization of polymers by penta- or hexa-substituted 4-piperidinol derivativesCIBA GEIGY CORP·Filed 1976·Granted Feb 21, 1978·26 cites·11 claims
- 0682US4237294A2,2,6,6-Tetramethylpiperidine derivativesSANKYO CO·Filed 1979·Granted Dec 2, 1980·10 cites·3 claims
- 0779US4166813APolyalkylated 4-aminopiperidine derivativesSANKYO CO·Filed 1978·Granted Sep 4, 1979·10 cites·16 claims
- 0872US4118368ASynthetic polymer stabilizersSANKYO CO·Filed 1976·Granted Oct 3, 1978·7 cites·9 claims
- 0970US4162246AHydantoin derivatives and their use as polymer stabilizersSANKYO CO·Filed 1977·Granted Jul 24, 1979·6 cites·11 claims
- 1069US4131599AStabilization of poly(mono-olefins)SANKYO CO·Filed 1976·Granted Dec 26, 1978·14 cites·12 claims
- 1168US4219465APiperidine-spiro-hydantoin derivatives and their use as polymer stabilizersSANKYO CO·Filed 1979·Granted Aug 26, 1980·5 cites·11 claims
- 1266US4055536A4,4'-Bipiperidylidene derivatives and their use as stabilizersSANKYO CO·Filed 1976·Granted Oct 25, 1977·5 cites·13 claims
- 1365US4371644APiperidine derivatives and their use as polymer stabilizersSANKYO CO·Filed 1980·Granted Feb 1, 1983·7 cites·4 claims
- 1460US3951661ASilver halide emulsion containing an arylphosphonium salt as antifoggantKONISHIROKU PHOTO IND·Filed 1974·Granted Apr 20, 1976·5 cites·4 claims
- 1554US4265803APolymers containing polyalkylpiperidines and use thereof as stabilizersSANKYO CO·Filed 1978·Granted May 5, 1981·12 cites·27 claims
- 1636US4413076APolyalkylpiperdine side chain stabilizers for synthetic polymer compositionsSANKYO CO·Filed 1982·Granted Nov 1, 1983·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →