Inventor · disambiguated record
Katsuaki Matsui
Also filed as: MATSUI KATSUAKI · OHSAWA HISAYOU · OHTA NORIYUKI
11 granted patents·159 citations·filing 1973–1978
91Inventor score
Files withSANKYO CO11
Top patents by PatentIndex Score
11 records- 0194US3941744APiperidine derivatives and their use as stabilizersSANKYO CO·Filed 1973·Granted Mar 2, 1976·37 cites·24 claims
- 0293US4241208APiperidine derivativesSANKYO CO·Filed 1978·Granted Dec 23, 1980·33 cites·30 claims
- 0389US3975462APiperidine-spiro-hydantoin derivatives and their use as stabilizersSANKYO CO·Filed 1974·Granted Aug 17, 1976·21 cites·16 claims
- 0481US4066615APolymer compositions containing piperidine derivatives as stabilizersSANKYO CO·Filed 1975·Granted Jan 3, 1978·14 cites·15 claims
- 0575US4016168APiperidine derivativesSANKYO CO·Filed 1975·Granted Apr 5, 1977·16 cites·2 claims
- 0674US4212974APiperidine derivativesSANKYO CO·Filed 1978·Granted Jul 15, 1980·8 cites·10 claims
- 0769US4007158ANovel piperidine derivatives for the stabilization of synthetic polymersSANKYO CO·Filed 1974·Granted Feb 8, 1977·7 cites·6 claims
- 0855US4125533APiperidine derivativesSANKYO CO·Filed 1976·Granted Nov 14, 1978·8 cites·4 claims
- 0953US3940401A4,4-(O-phenylenedioxy)-2,2,6,6-tetramethyl piperidineSANKYO CO·Filed 1974·Granted Feb 24, 1976·3 cites·1 claims
- 1052US4005094APiperidine-spiro-hydantoin derivativesSANKYO CO·Filed 1975·Granted Jan 25, 1977·8 cites·9 claims
- 1144US3933735A4-Piperidone derivatives, their preparation and their use as stabilizersSANKYO CO·Filed 1974·Granted Jan 20, 1976·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →