Assignee
SEIWA KASEI CO LTD
US·7 granted patents·5 pending applications·252 citations·filing 1979–2023
Top patents by PatentIndex Score
12 records- 0186US6337089B1Microcapsule containing core material and method for producing the sameSEIWA KASEI CO LTD·Filed 1999·Granted Jan 8, 2002·114 cites·14 claims
- 0285US4279996AKeratin hydrolyzate useful as hair fixativesSEIWA KASEI CO LTD·Filed 1979·Granted Jul 21, 1981·55 cites·7 claims
- 0372US5753214ABase material for cosmetics and uses of the sameSEIWA KASEI CO LTD·Filed 1995·Granted May 19, 1998·39 cites·16 claims
- 0469US2026001853A1Ascorbic acid derivative or salt thereof, and cosmetic thereofSEIWA KASEI CO LTD·Filed 2023·Application pending·0 cites
- 0563US12582590B2Transparent liquid composition and cosmetic containing said compositionSEIWA KASEI CO LTD·Filed 2022·Granted Mar 24, 2026·0 cites·8 claims
- 0659US6228968B1Silane copolymer and a method for producing the sameSEIWA KASEI CO LTD·Filed 1999·Granted May 8, 2001·17 cites·15 claims
- 0755US4390525AKeratin hydrolyzate useful as hair fixativesSEIWA KASEI CO LTD·Filed 1981·Granted Jun 28, 1983·15 cites·4 claims
- 0846US2009137786A1Method for producing reduced keratin, reduced cuticle protein and mixture thereofSEIWA KASEI CO LTD·Filed 2006·Application pending·0 cites
- 0944US5116608APermanent waving compositionSEIWA KASEI CO LTD·Filed 1989·Granted May 26, 1992·12 cites·4 claims
- 1036US2020230034A1A cosmetic substrate and a cosmetic containing the cosmetic substrateSEIWA KASEI CO LTD·Filed 2017·Application pending·0 cites
- 1135US2018133143A1A cosmetic substrate and a cosmetic containing the cosmetic substrateSEIWA KASEI CO LTD·Filed 2017·Application pending·0 cites
- 1224US2015238401A1Propyl-phenyl-ether derivative, and melanogenesis inhibitor, skin-lightening agent, antimicrobial agent and cosmetic containing said propyl-phenyl-ether derivativeSEIWA KASEI CO LTD·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →