Assignee
SHIRAISHI KOGYO KAISHA LTD
20 granted patents·4 pending applications·325 citations·filing 1977–2022
Top patents by PatentIndex Score
24 records- 0192US4219590AMethod for improving calcium carbonateSHIRAISHI KOGYO KAISHA LTD·Filed 1979·Granted Aug 26, 1980·68 cites·5 claims
- 0291US6686044B2Surface-coated calcium carbonate particles, method for manufacturing same, and adhesiveSHIRAISHI KOGYO KAISHA LTD·Filed 2001·Granted Feb 3, 2004·62 cites·15 claims
- 0391US4133894AProcess for preparing precipitated calcium carbonateSHIRAISHI KOGYO KAISHA LTD·Filed 1977·Granted Jan 9, 1979·42 cites·4 claims
- 0490US4159312ACalcium carbonate powdersSHIRAISHI KOGYO KAISHA LTD·Filed 1978·Granted Jun 26, 1979·44 cites·10 claims
- 0589US4244933ACalcium carbonate particles and processes for preparing sameSHIRAISHI KOGYO KAISHA LTD·Filed 1979·Granted Jan 13, 1981·54 cites·23 claims
- 0680US11167998B2Calcium carbonate and production method thereforSHIRAISHI KOGYO KAISHA LTD·Filed 2018·Granted Nov 9, 2021·1 cites·8 claims
- 0777US4124688AProcess for preparing cubic crystals of calcium carbonateSHIRAISHI KOGYO KAISHA LTD·Filed 1977·Granted Nov 7, 1978·31 cites·15 claims
- 0871US10422763B2Dielectric constant measurement method for powder in powder-dispersed composite materialSHIRAISHI KOGYO KAISHA LTD·Filed 2016·Granted Sep 24, 2019·2 cites·3 claims
- 0969US7186763B2Material for imparting thixotropy and pasty resin compositionSHIRAISHI KOGYO KAISHA LTD·Filed 2002·Granted Mar 6, 2007·12 cites·12 claims
- 1066US11702530B2Surface-treated calcium carbonate and production method therefor, and vinyl chloride-based resin composition and molded body thereofSHIRAISHI KOGYO KAISHA LTD·Filed 2020·Granted Jul 18, 2023·0 cites·7 claims
- 1164US11939448B2Light reflecting bodySHIRAISHI KOGYO KAISHA LTD·Filed 2021·Granted Mar 26, 2024·0 cites·4 claims
- 1261US12515954B2Hydroxyapatite particulateSHIRAISHI KOGYO KAISHA LTD·Filed 2019·Granted Jan 6, 2026·0 cites·10 claims
- 1361US2025122361A1Surface-treated calcium carbonate and resin composition containing sameSHIRAISHI KOGYO KAISHA LTD·Filed 2022·Application pending·0 cites
- 1456US10227441B2Silyl-terminated resin composition and method for producing sameSHIRAISHI KOGYO KAISHA LTD·Filed 2014·Granted Mar 12, 2019·0 cites·7 claims
- 1556US2023271845A1Method for producing calcium carbonate and calcium carbonateSHIRAISHI KOGYO KAISHA LTD·Filed 2021·Application pending·0 cites
- 1653US11066538B2Vinyl chloride-vinyl acetate copolymer resin compositionSHIRAISHI KOGYO KAISHA LTD·Filed 2018·Granted Jul 20, 2021·0 cites·2 claims
- 1753US2021155492A1Calcium carbonate, calcium carbonate preparation for food addition use, and foodSHIRAISHI KOGYO KAISHA LTD·Filed 2018·Application pending·0 cites
- 1851US7776232B2Powdery white vulcanization promoter composition and rubber compositionsSHIRAISHI KOGYO KAISHA LTD·Filed 2005·Granted Aug 17, 2010·0 cites·7 claims
- 1950US7923499B2Calcium carbonate treated with curing active ingredientSHIRAISHI KOGYO KAISHA LTD·Filed 2007·Granted Apr 12, 2011·0 cites·7 claims
- 2048US4240870AFilled paperSHIRAISHI KOGYO KAISHA LTD·Filed 1979·Granted Dec 23, 1980·9 cites·4 claims
- 2147US10995200B2Kaolin clay for thermoplastic resin composition and thermoplastic resin compositionSHIRAISHI KOGYO KAISHA LTD·Filed 2017·Granted May 4, 2021·0 cites·5 claims
- 2246US10883952B2Method for calculating dielectric constant of particle-dispersed composite materials and method for evaluating dispersibilitySHIRAISHI KOGYO KAISHA LTD·Filed 2016·Granted Jan 5, 2021·0 cites·3 claims
- 2345US11384220B2White resin compositionSHIRAISHI KOGYO KAISHA LTD·Filed 2016·Granted Jul 12, 2022·0 cites·7 claims
- 2434US2018370190A1Light reflectorSHIRAISHI KOGYO KAISHA LTD·Filed 2016·Application pending·0 cites
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