Hitachi Energy Ltd competitive analysis

Explore patent oppositions filed by Hitachi Energy Ltd against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Aug 20, 2026
Patent NumberTitleApplicantOpposition Date
Switching Arrangement Comprising Two On-Load Tap Changers, Electric System Comprising A Switching Arrangement Of Said Type, And Use ThereofMASCHINENFABRIK REINHAUSENMay 20, 2026
Device And System For Indirectly Determining The Temperature Of A Power TransformerMASCHINENFABRIK REINHAUSENMay 21, 2025
Electrical Switching ArrangementSIEMENS ENERGYMar 14, 2025
Organic Heat Transfer System, Method And FluidTHE LUBRIZOLDec 28, 2023
Modular Switching CellMASCHINENFABRIK REINHAUSENAug 23, 2023
Method For Operating An Electric CircuitGE ENERGY POWER CONVERSIONAug 16, 2023
System And Method For Switching High VoltagesSIEMENSFeb 1, 2023
Power ConverterTOKYO INSTITUTE OF TECHNOLOGYMay 11, 2022
Remote Control Assembly, System And Method For Observing And/Or Controlling A PlantSIEMENSDec 23, 2020
Plug-In High-Voltage Feed-Through And High Voltage Equipment With The Pluggable High-Voltage Feed-ThroughHSP HOCHSPANNUNGSGERTEDec 22, 2020

Explore Hitachi Energy Ltd'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: Aug 20, 2026
Patent NumberPublication DateTitleTotal Oppositions
Oct 15, 2025Power Control System For Power Network1
Aug 27, 2025On-Load Tap Changer And Method For Operating An On-Load Tap Changer1
Jul 2, 2025Module For Large Scale Energy Storage1
Jun 18, 2025Electric Apparatus For The Generation, The Transmission And/Or The Distribution Of Electrical Energy1
May 7, 2025Vacuum Interrupter Module For A Tap Changer, Power Diverter Switch, And Tap Changer1
May 7, 2025Vegetation Management System And Vegetation Management Method1
Apr 16, 2025Substation Equipment Monitoring Using A Scada System1
Jan 15, 2025Controlled Switching Of A Circuit Breaker1
Nov 29, 2023Method For Re-Establishing An Electrical Apparatus Of Medium Or High Voltage1
Aug 30, 2023Fault Location In An Hvdc System1

Latest PTAB cases involving Hitachi Energy Ltd

Discover the latest PTAB cases involving Hitachi Energy Ltd, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Hitachi Energy Ltd with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Aug 20, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
HITACHI ENERGY1519 - -
GENERAL ELECTRIC TECHNOLOGY1647 - 1
MASCHINENFABRIK REINHAUSEN66 - -
SIEMENS130214 - -