Inventor · disambiguated record
Yukoh Takahashi
Also filed as: TAKAHASHI YUKOH
16 granted patents·310 citations·filing 1982–1990
94Inventor score
Files withSUMITOMO CHEMICAL CO16
Top patents by PatentIndex Score
16 records- 0196US4511491AStabilizers for synthetic resinsSUMITOMO CHEMICAL CO·Filed 1983·Granted Apr 16, 1985·67 cites·12 claims
- 0291US4562281AProduction of bisphenol derivativesSUMITOMO CHEMICAL CO·Filed 1983·Granted Dec 31, 1985·30 cites·12 claims
- 0388US4525514AStabilizer for polymeric substance and polymeric substance composition containing the sameSUMITOMO CHEMICAL CO·Filed 1984·Granted Jun 25, 1985·37 cites·6 claims
- 0484US4985479AStabilized polyolefin compositionSUMITOMO CHEMICAL CO·Filed 1989·Granted Jan 15, 1991·30 cites·14 claims
- 0583US4774274AThermally stabilized butadiene resins containing a hindered phenolic acrylate or methacrylateSUMITOMO CHEMICAL CO·Filed 1987·Granted Sep 27, 1988·30 cites·6 claims
- 0682US4670488APiperidine derivatives, their production and use as stabilizersSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·17 cites·14 claims
- 0780US5049604AProcess for producing piperidine derivative and stabilized resin composition containing said derivativeSUMITOMO CHEMICAL CO·Filed 1990·Granted Sep 17, 1991·22 cites·7 claims
- 0865US4725634AStabilizer for synthetic resinsSUMITOMO CHEMICAL CO·Filed 1986·Granted Feb 16, 1988·14 cites·3 claims
- 0965US4578410APiperidine derivatives, their production and stabilized polymer compositions containing sameSUMITOMO CHEMICAL CO·Filed 1984·Granted Mar 25, 1986·13 cites·20 claims
- 1062US4448915AAcetylene carbamide derivatives, processes for their production, and antioxidants for organic substances which comprise such derivatives as active ingredientsSUMITOMO CHEMICAL CO·Filed 1982·Granted May 15, 1984·4 cites·22 claims
- 1160US4732923AButadiene polymer compositionSUMITOMO CHEMICAL CO·Filed 1986·Granted Mar 22, 1988·12 cites·4 claims
- 1260US4507417AStabilizers for synthetic resinsSUMITOMO CHEMICAL CO·Filed 1983·Granted Mar 26, 1985·11 cites·5 claims
- 1354US4539355APhosphorus-containing compounds, their production and their use as antioxidantsSUMITOMO CHEMICAL CO·Filed 1983·Granted Sep 3, 1985·8 cites·7 claims
- 1447US4670489APiperidine derivatives, their production and use as stabilizersSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 2, 1987·9 cites·22 claims
- 1541US4812494AStabilized styrene polymerSUMITOMO CHEMICAL CO·Filed 1987·Granted Mar 14, 1989·5 cites·14 claims
- 1631US4719037APiperidine 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
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →