Inventor · disambiguated record
Koutarou Asahina
Also filed as: ASAHINA KOUTAROU
8 granted patents·3 pending applications·31 citations·filing 1989–2023
82Inventor score
Top patents by PatentIndex Score
11 records- 0168US2025388767A1Method for producing varnish-like cyclic olefin copolymer composition, cyclic olefin copolymer composition, crosslinked product, film, or sheet, laminate, circuit board, electronic device, and prepregMITSUI CHEMICALS INC·Filed 2023·Application pending·0 cites
- 0262US2025215125A1Cyclic olefin-based resin composition, varnish, crosslinked body, film, sheet, circuit board, electronic apparatus, and prepregMITSUI CHEMICALS INC·Filed 2023·Application pending·0 cites
- 0352US5120803AResin compositions for sealing semiconductorMITSUI TOATSU CHEMICALS·Filed 1989·Granted Jun 9, 1992·8 cites·28 claims
- 0449US2005095434A1Resin composition, prepreg and laminate using the compositionMITSUI CHEMICALS INC·Filed 2004·Application pending·0 cites
- 0546US5082880ASemiconductor sealing composition containing epoxy resin and polymaleimideMITSUI TOATSU CHEMICALS·Filed 1989·Granted Jan 21, 1992·8 cites·22 claims
- 0646US5079331AHeat-resistant epoxy resin composition based on 2-(4-hydroxyphenyl)-2-(4-maleimidophenyl)propaneMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jan 7, 1992·6 cites·12 claims
- 0744US7470471B2Resin composition, prepreg and laminate using the compositionMITSUI CHEMICALS INC·Filed 2004·Granted Dec 30, 2008·0 cites·8 claims
- 0841US12378377B2Cyclic olefin-based copolymer composition, varnish, and cross-linked productMITSUI CHEMICALS INC·Filed 2019·Granted Aug 5, 2025·0 cites·15 claims
- 0936US5015674AComposition of vinyl polymer-grafted, silicone polymer-modified epoxy resin and polymaleimideMITSUI TOATSU CHEMICALS·Filed 1989·Granted May 14, 1991·3 cites·18 claims
- 1029US5266654AResin compositionMITSUI TOATSU CHEMICALS·Filed 1991·Granted Nov 30, 1993·1 cites·6 claims
- 1129US5134204AResin composition for sealing semiconductorsMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jul 28, 1992·5 cites·10 claims
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