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Explore Tokuyama'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: Jun 12, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP3734273Mar 6, 2024Composition For Separating Blood Serum Or Blood Plasma, Blood Collection Container, And Method For Separating Blood Serum Or Blood Plasma1
EP3228672Feb 15, 2023Coating Composition, And Optical Product Having Coating Layer Made From Said Coating Composition1