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Sekisui Chemical patent opposition analysis

Explore patent oppositions filed by Sekisui Chemical against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Last updated on: Aug 28, 2025
Patent NumberTitleApplicantOpposition Date

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Interlayer Film With Shade BandKURARAY EUROPEDec 3, 2021

Explore Sekisui Chemical's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Aug 28, 2025
Patent NumberGrant DateTitleTotal Oppositions
Oct 9, 2024Interlayer Film For Laminated Glass, Roll Body And Method Of Manufacturing Laminated Glass Set1
Dec 13, 2023Resin Sheet2
Dec 6, 2023Water-Soluble Film For Packaging1
Sep 6, 2023Intermediate Film For Laminated Glass, And Laminated Glass1
Mar 22, 2023Resin Composition1
Aug 24, 2022Interlayer For Laminated Glass And Laminated Glass1
Aug 18, 2021Water-Soluble Packaging Film1
Feb 17, 2021Chemical Product Packaging Film2
Jan 8, 2020Intermediate Film For Laminated Glass And Laminated Glass1
Apr 24, 2019Thermally Expandable Fire Resistant Resin Composition1

Top competitors of Sekisui Chemical

Top competitors of Sekisui Chemical based on patent oppositions.