Inventor · disambiguated record
Yuzo Maegawa
Also filed as: MAEGAWA YUZO
11 granted patents·81 citations·filing 1980–1992
88Inventor score
Top patents by PatentIndex Score
11 records- 0182US4670488APiperidine derivatives, their production and use as stabilizersSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·17 cites·14 claims
- 0280US5049604AProcess for producing piperidine derivative and stabilized resin composition containing said derivativeSUMITOMO CHEMICAL CO·Filed 1990·Granted Sep 17, 1991·22 cites·7 claims
- 0365US4725634AStabilizer for synthetic resinsSUMITOMO CHEMICAL CO·Filed 1986·Granted Feb 16, 1988·14 cites·3 claims
- 0449US5012015AProcess for producing 2,4-dichloro-3-alkyl-6-nitrophenolDAIEI CHEMICAL CO LTD·Filed 1989·Granted Apr 30, 1991·5 cites·10 claims
- 0549US4297508AProcess for producing 2 hydroxy-naphthalene-3-carboxylic acidSUMITOMO CHEMICAL CO·Filed 1980·Granted Oct 27, 1981·3 cites·14 claims
- 0647US4670489APiperidine derivatives, their production and use as stabilizersSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·9 cites·22 claims
- 0736US4695407AMethod for purifying 1-aminoanthraquinoneSUMITOMO CHEMICAL CO·Filed 1983·Granted Sep 22, 1987·1 cites·7 claims
- 0836US4323431APurification of compounds having high melting pointSUMITOMO CHEMICAL CO·Filed 1980·Granted Apr 6, 1982·8 cites·8 claims
- 0935US5162570AProcess for producing 1,4-dihydroxy-2-arylnaphthoateSUMITOMO CHEMICAL CO·Filed 1990·Granted Nov 10, 1992·1 cites·12 claims
- 1031US4719037APiperidine derivatives, production process therefor, and stabilizers for organic substances containing said derivatives as an active componentSUMITOMO CHEMICAL CO·Filed 1986·Granted Jan 12, 1988·1 cites·36 claims
- 1129US5241103AProcess for producing 1,4-dihydroxy-2-arylnaphthoateSUMITOMO CHEMICAL CO·Filed 1992·Granted Aug 31, 1993·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →