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Explore Umicore Shokubai Japan'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
EP1941942Jun 16, 2021Oxidation Catalyst And Exhaust-Gas Purification System Using The Same1