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Explore Osaka Gas'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
EP3196966May 3, 2023Electrochemical Element, Solid Oxide Type Fuel Battery Cell, And Method For Manufacturing Same1
EP3432395Apr 12, 2023Electrochemical Element, Electrochemical Module, Electrochemical Device, And Energy System1