Inventor · disambiguated record
Akihiko Igawa
Also filed as: IGAWA AKIHIKO
5 granted patents·2 pending applications·131 citations·filing 1989–2022
82Inventor score
Files withCLARIANT FINANCE BVI LTD2CLARIANT INT LTD1ECHEM SOLUTIONS JAPAN INC1HOECHST JAPAN1IGAWA AKIHIKO1
Top patents by PatentIndex Score
7 records- 0192US6933100B2Method of forming a minute resist patternCLARIANT FINANCE BVI LTD·Filed 2002·Granted Aug 23, 2005·82 cites·6 claims
- 0262US5541036ANegative photoresist compositions comprising a photosensitive compound, an alkoxymethylated melamine and novolak resinHOECHST JAPAN·Filed 1993·Granted Jul 30, 1996·17 cites·12 claims
- 0357US5964951ARinsing solutionCLARIANT INT LTD·Filed 1997·Granted Oct 12, 1999·17 cites·5 claims
- 0453US4956320APositive temperature coefficient semiconductor ceramicKURABE IND KK·Filed 1989·Granted Sep 11, 1990·14 cites·6 claims
- 0547US2024219833A1Black resist composition, and method for forming black pattern by near-infrared photolithographic methodECHEM SOLUTIONS JAPAN INC·Filed 2022·Application pending·0 cites
- 0633US2006057468A1Method of pattern formation using ultrahigh heat resistant positive photosensitive compositionIGAWA AKIHIKO·Filed 2003·Application pending·0 cites
- 0727US6514676B1Method for forming micropattern of resistCLARIANT FINANCE BVI LTD·Filed 1999·Granted Feb 4, 2003·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →