Assignee
CHEMIPRO KASEI KAISHA LTD
JP·11 granted patents·2 pending applications·172 citations·filing 1986–2009
Top patents by PatentIndex Score
13 records- 0190US7635662B2Compound for color-producing composition, and recording materialCHEMIPRO KASEI KAISHA LTD·Filed 2001·Granted Dec 22, 2009·34 cites·22 claims
- 0282US7807738B2Compound for color-producing composition, and recording materialCHEMIPRO KASEI KAISHA LTD·Filed 2009·Granted Oct 5, 2010·4 cites·1 claims
- 0375US4943637AMethod for preparing 2-phenylbenzotriazolesCHEMIPRO KASEI KAISHA LTD·Filed 1988·Granted Jul 24, 1990·16 cites·18 claims
- 0471US7317046B2Cyclic phosphazenes, process for preparing them, flame retardant containing them as active ingredient, and resin composition containing them and molded article therefromCHEMIPRO KASEI KAISHA LTD·Filed 2002·Granted Jan 8, 2008·11 cites·10 claims
- 0568US6459199B1Multicolor organic EL element having plurality of organic dyes, method of manufacturing the same, and display using the sameCHEMIPRO KASEI KAISHA LTD·Filed 1997·Granted Oct 1, 2002·78 cites·2 claims
- 0668US4835284AMethod for preparing 2-phenylbenzotriazoles and 2-phenylbenzotriazole-N-oxidesCHEMIPRO KASEI KAISHA LTD·Filed 1988·Granted May 30, 1989·8 cites·14 claims
- 0766US4780541AMethod for preparing 2-phenylbenzotriazoles and 2-phenylbenzotriazole-N-oxidesCHEMIPRO KASEI KAISHA LTD·Filed 1986·Granted Oct 25, 1988·7 cites·7 claims
- 0855US5104992AMethod of preparing 2-phenyl benezothriazolesCHEMIPRO KASEI KAISHA LTD·Filed 1990·Granted Apr 14, 1992·7 cites·7 claims
- 0953US7326744B2Low dusting crystal transformations of 2,2′-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-benzotriazolylphenol] and mixture thereof, method for preparing them, and ultraviolet light absorber using themCHEMIPRO KASEI KAISHA LTD·Filed 2002·Granted Feb 5, 2008·1 cites·18 claims
- 1046US5187289AMethod of preparing 2-phenyl benzotriazolesCHEMIPRO KASEI KAISHA LTD·Filed 1991·Granted Feb 16, 1993·4 cites·6 claims
- 1143US2007042907A1Dispersion composition and recording materialCHEMIPRO KASEI KAISHA LTD·Filed 2004·Application pending·0 cites
- 1240US2003057827A1Multicolor organic element, method for manufacturing the same, and display using the sameCHEMIPRO KASEI KAISHA LTD·Filed 2002·Application pending·0 cites
- 1334US6114546AAminomethylene derivatives and ultraviolet absorbent comprising thereofCHEMIPRO KASEI KAISHA LTD·Filed 1997·Granted Sep 5, 2000·2 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →