Inventor · disambiguated record
Yukio Ichikawa
Also filed as: ICHIKAWA YUKIO
21 granted patents·3 pending applications·257 citations·filing 1986–2019
95Inventor score
Files withKUREHA CHEMICAL IND CO LTD16KUREHA CORP2ITOH DAISUKE1KATSURAO TAKUMI1KUREHA ECOLOGY MAN CO LTD1
Top patents by PatentIndex Score
24 records- 0193US4699975AProcess for producing readily crystallizable arylenesulfide resin composition containing organic acid or anhydrideKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Oct 13, 1987·56 cites·8 claims
- 0285US5380783APoly(arylene sulfide) resin compositionKUREHA CHEMICAL IND CO LTD·Filed 1993·Granted Jan 10, 1995·34 cites·16 claims
- 0382US4935473APolyphenylene sulfide composition and method of producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jun 19, 1990·27 cites·20 claims
- 0478US4820759APolyarylene thiother compositionKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Apr 11, 1989·28 cites·9 claims
- 0564US4868240APolyarylene thioether of high crystallizing rate and a process for producing the sameKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted Sep 19, 1989·13 cites·15 claims
- 0653US6824927B1Polymer electrolyte containing a vinylidene fluoride copolymer and a nonaqueous electrolytic solution, and nonaqueous battery containing the polymer electrolyteKUREHA CHEMICAL IND CO LTD·Filed 1998·Granted Nov 30, 2004·10 cites·10 claims
- 0753US5342654ASurface roughening of resin molded articles for metallizingKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Aug 30, 1994·12 cites·3 claims
- 0853US4837294APolyarylene thioether composition containing polyarylene ether nucleating agentKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jun 6, 1989·11 cites·10 claims
- 0952US8043386B2Process for producing polymer electrolyteKUREHA CORP·Filed 2008·Granted Oct 25, 2011·0 cites·6 claims
- 1052US7452387B2Process for producing a polymer electrolyte of a vinylidene fluoride copolymer for a nonaqueous batteryKUREHA CORP·Filed 2004·Granted Nov 18, 2008·1 cites·10 claims
- 1152US6054503APlastic lens material and process for preparing the sameKUREHA CHEMICAL IND CO LTD·Filed 1997·Granted Apr 25, 2000·10 cites·20 claims
- 1252US4895893AHeat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereofKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Jan 23, 1990·9 cites·10 claims
- 1348US6372388B1Vinylidene fluoride copolymer for gel-form solid electrolyte formation, solid electrolyte, and batteryKUREHA KAGAKA KOGYO KABUSHIKI KAISHA·Filed 1998·Granted Apr 16, 2002·21 cites·12 claims
- 1447US4746536AMethod for selective chemical platingKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted May 24, 1988·11 cites·5 claims
- 1547US2021139658A1Reinforcing material containing covering layer and method of producing reinforcing material containing covering layerKUREHA ECOLOGY MAN CO LTD·Filed 2019·Application pending·0 cites
- 1646US2006024459A1Strongly stretched apliphatic polyester moldingsITOH DAISUKE·Filed 2003·Application pending·0 cites
- 1745US8574770B2Vinylidene fluoride copolymer-based polymer electrolyte for nonaqueous battery retaining large proportion of electrolytic solutionKATSURAO TAKUMI·Filed 2011·Granted Nov 5, 2013·0 cites·6 claims
- 1836US5085819AHeat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereofKUREHA KABAKU KOGYO K K·Filed 1989·Granted Feb 4, 1992·6 cites·6 claims
- 1935US5380819AResin composition including poly(arylene thioether) and polyamideKUREHA CHEMICAL IND CO LTD·Filed 1993·Granted Jan 10, 1995·2 cites·5 claims
- 2034US2002036883A1Activated carbon for electric double layer capacitorFiled 2000·Application pending·0 cites
- 2132US5554723AProcess for production of poly(arylene thioether) containing phthalic anhydride groupsKUREHA CHEMICAL IND CO LTD·Filed 1993·Granted Sep 10, 1996·1 cites·2 claims
- 2232US5326593ASurface roughening of resin molded articles for metallizingKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Jul 5, 1994·3 cites·8 claims
- 2330US4859734AComposition of polyarylene thioetherKUREHA CHEMICAL IND CO LTD·Filed 1988·Granted Aug 22, 1989·0 cites·3 claims
- 2428US5187257AThermoformed polyarylene sulfide containerKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Feb 16, 1993·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →