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Hitachi patent opposition analysis

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Latest oppositions filed by Hitachi

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

Patent NumberTitleApplicantOpposition Date
EP3984092Organic Heat Transfer System, Method And FluidTHE LUBRIZOLDec 28, 2023
EP3744605Railway Train Operation Control Method And SystemCRRC CHANGCHUN RAILWAY VEHICLESOct 3, 2023
EP3796539Modular Switching CellMASCHINENFABRIK REINHAUSENAug 23, 2023
EP2654190Method For Operating An Electric CircuitGE ENERGY POWER CONVERSIONAug 16, 2023
EP3494589System And Method For Switching High VoltagesSIEMENSFeb 1, 2023
EP2887524Power ConverterTOKYO INSTITUTE OF TECHNOLOGYMay 11, 2022
EP3660397Waste Composition Estimation Device, System, Program, Method, And Data StructureEBARA ENVIRONMENTAL PLANTJan 20, 2022
EP2976821Method And Apparatus For Compensating Non-Active Currents In Electrical Power NetworksMERUS POWER DYNAMICSFeb 5, 2021
EP2942922System And Method For Controlled Device AccessGENERAL ELECTRICJan 22, 2021
EP2988183Remote Control Assembly, System And Method For Observing And/Or Controlling A PlantSIEMENSDec 23, 2020

Latest patents of Hitachi opposed by its competitors

Explore Hitachi'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.

Patent NumberGrant DateTitleTotal Oppositions
EP3549842Feb 12, 2025Train Traffic Control System And Method For Safe Displaying A State Indication Of A Route And Train Control System1
EP3228490Jan 15, 2025Power Conversion Device1
EP3358026Dec 4, 2024Spheroidal Graphite Cast Iron With Excellent Gas Defect Resistance1
EP3467380Nov 13, 2024Waste Crane Operation Device And Waste Crane Operation Method1
EP2927337Nov 6, 2024Precipitation Hardening Type Martensitic Steel And Process For Producing Same1
EP3173500Mar 27, 2024Hot-Working Tool Material, Method For Manufacturing Hot-Working Tool, And Hot-Working Tool1
EP2691701Mar 20, 2024Method For Optimising The Burnout Of Exhaust Gases Of An Incinerator1
EP2891221Feb 28, 2024Power Distribution System Loss Reduction With Distributed Energy Resource Control1
EP3499037Dec 13, 2023Waste-Heat Recovery System In Oil-Cooled Gas Compressor1
EP3982377Nov 29, 2023Method For Re-Establishing An Electrical Apparatus Of Medium Or High Voltage2

Top competitors of Hitachi