The patent EP4303425 was granted to Kabushiki Kaisha Riken on Aug 20, 2025. The application was originally filed on Mar 4, 2022 under application number EP22779817A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.
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