Inventor · disambiguated record
Hisao Takagishi
Also filed as: TAKAGISHI HISAO
17 granted patents·253 citations·filing 1979–1991
94Inventor score
Files withSUMITOMO CHEMICAL CO17
Top patents by PatentIndex Score
17 records- 0191US5017642AProcess for producing aqueous solution of cationic thermosetting resinSUMITOMO CHEMICAL CO·Filed 1989·Granted May 21, 1991·50 cites·4 claims
- 0286US5158611APaper coating compositionSUMITOMO CHEMICAL CO·Filed 1991·Granted Oct 27, 1992·36 cites·3 claims
- 0386US4336835AProduction of wet-strength paper with aqueous solutions of cationic thermosetting resinsSUMITOMO CHEMICAL CO·Filed 1981·Granted Jun 29, 1982·34 cites·16 claims
- 0483US4287110AProduction of aqueous solutions of cationic thermosetting resinsSUMITOMO CHEMICAL CO·Filed 1979·Granted Sep 1, 1981·29 cites·10 claims
- 0575US4855339AEpoxy resin compositionSUMITOMO CHEMICAL CO·Filed 1989·Granted Aug 8, 1989·20 cites·18 claims
- 0670US4632966AThermosetting resin composition of an allylated novolak and a bis-maleimideSUMITOMO CHEMICAL CO·Filed 1985·Granted Dec 30, 1986·18 cites·15 claims
- 0765US4621123APhosphinylmethyl polypenols and polyglycidyl ethers thereofSUMITOMO CHEMICAL CO·Filed 1985·Granted Nov 4, 1986·18 cites·29 claims
- 0862US4876371AProcess of producing glycidyl ethers of monohydric or polyhydric phenolsSUMITOMO CHEMICAL CO·Filed 1987·Granted Oct 24, 1989·6 cites·1 claims
- 0951US4705833AThermosettable heat-resistant resin compositionsSUMITOMO CHEMICAL CO·Filed 1985·Granted Nov 10, 1987·9 cites·6 claims
- 1050US4246153AProcess for producing aqueous solution of polyureapolyamide thermosetting resinSUMITOMO CHEMICAL CO·Filed 1979·Granted Jan 20, 1981·7 cites·9 claims
- 1142US4529790AEpoxy resin compositionSUMITOMO CHEMICAL CO·Filed 1984·Granted Jul 16, 1985·9 cites·10 claims
- 1239US5034501AProcess for producing resin for paper coatingSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 23, 1991·6 cites·6 claims
- 1339US4444943ACoating compositions for providing water and blister resistance to ink-receptive paperSUMITOMO CHEMICAL CO·Filed 1982·Granted Apr 24, 1984·5 cites·20 claims
- 1431US4307146AProcess for resin-finishing of textile fabrics and knitted goodsSUMITOMO CHEMICAL CO·Filed 1980·Granted Dec 22, 1981·2 cites·7 claims
- 1530US4931515AMethod for producing encapsulated semiconductor from improved epoxy resinsSUMITOMO CHEMICAL CO·Filed 1988·Granted Jun 5, 1990·2 cites·4 claims
- 1629US4964872AProcess for resin finishing fabricsSUMITOMO CHEMICAL CO·Filed 1990·Granted Oct 23, 1990·2 cites·13 claims
- 1726US5114758AProcess for producing resin for paper coatingSUMITOMO CHEMICAL CO·Filed 1991·Granted May 19, 1992·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →