Inventor · disambiguated record
Yukio Hanamoto
Also filed as: HANAMOTO YUKIO
7 granted patents·2 pending applications·52 citations·filing 1989–2005
83Inventor score
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
9 records- 0167US5059507APositive resist composition containing quinone diazide sulfonic acid ester of a phenol compound and an alkali soluble resinSUMITOMO CHEMICAL CO·Filed 1989·Granted Oct 22, 1991·18 cites·20 claims
- 0259US5080997AProcess for preparing a positive resist composition by mixing the condensation product of a quinone diazide sulfonyl halogenide and a phenol with a resin solution without isolating the condensation product from the crude mixtureSUMITOMO CHEMICAL CO·Filed 1989·Granted Jan 14, 1992·13 cites·22 claims
- 0354US5290656AResist composition, novel phenol compound and quinone diazide sulfonic acid ester of novel phenol compoundSUMITOMO CHEMICAL CO·Filed 1993·Granted Mar 1, 1994·12 cites·10 claims
- 0451US7176143B2Method for evaluating solution for a coating film for semiconductorsSUMITOMO CHEMICAL CO·Filed 2004·Granted Feb 13, 2007·1 cites·6 claims
- 0550US7264912B2Method of producing photoresistSUMITOMO CHEMICAL CO·Filed 2002·Granted Sep 4, 2007·4 cites·3 claims
- 0640US2006073411A1Chemically amplified resist compositionSUMITOMO CHEMICAL CO·Filed 2005·Application pending·0 cites
- 0737US2004191674A1Chemical amplification resist compositionFiled 2004·Application pending·0 cites
- 0831US5368987AProcess for producing resist compositionSUMITOMO CHEMICAL CO·Filed 1994·Granted Nov 29, 1994·2 cites·4 claims
- 0930US5360696AResist compositionSUMITOMO CHEMICAL CO·Filed 1994·Granted Nov 1, 1994·2 cites·8 claims
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