Inventor · disambiguated record
Hirokazu Sawamoto
Also filed as: SAWAMOTO HIROKAZU
8 granted patents·58 citations·filing 1984–1989
86Inventor score
Technology areasC09B
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0176US4933446ATriphenodioxazine compoundsSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 12, 1990·12 cites·8 claims
- 0276US4780107AFiber reactive dioxazine compound having four vinylsulfone type reactive groupsSUMITOMO CHEMICAL CO·Filed 1988·Granted Oct 25, 1988·12 cites·11 claims
- 0369US4698421AFiber-reactive disazo brown dye having vinylsulfone-type reactive groupSUMITOMO CHEMICAL CO·Filed 1985·Granted Oct 6, 1987·9 cites·5 claims
- 0466US4618671A4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groupsSUMITOMO CHEMICAL CO·Filed 1984·Granted Oct 21, 1986·7 cites·6 claims
- 0559US4841048ADioxazine compound having vinylsulfone type fiber reactive groupSUMITOMO CHEMICAL CO·Filed 1987·Granted Jun 20, 1989·6 cites·6 claims
- 0655US4701524APyridone monoazo compound having vinylsulfone type fiber-reactive groupSUMITOMO CHEMICAL CO·Filed 1985·Granted Oct 20, 1987·5 cites·5 claims
- 0750US4843149AFiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type reactive groupSUMITOMO CHEMICAL CO·Filed 1985·Granted Jun 27, 1989·4 cites·8 claims
- 0845US5053494AFiber reactive polyazo dye having two vinylsulfone type reactive groups through triazinyl bridging groupSUMITOMO CHEMICAL CO·Filed 1989·Granted Oct 1, 1991·3 cites·11 claims
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