Patents/Assignees

HITACHI ENERGY Ltd

287 patents in portfolio

US12580103utility2026
Bushing Comprising Low-viscosity Insulating Fluid and Electrical Facility with Bushing
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USD1118540design2026
Relay
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US12571671utility2026
Method and System for Breather Health Assessment for a Transformer Breather
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US12572140utility2026
Asset Protection, Monitoring, or Control Device and Method, and Electric Power System
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US12573571utility2026
Relay Base
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US12573847utility2026
Energy Storage System for a Direct Current Transmission System and a Method for Exchanging Energy with a Direct Current Transmission System
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US12575430utility2026
Power Semiconductor Module
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US12566200utility2026
Device, System, and Method for Performing an Online-update of a Two-port Equivalent
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US12567530utility2026
Intermediate Yoke for a Power Transformer and Power Transformer
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US12568838utility2026
Base Plate Having Sidewall, Power Semiconductor Module Comprising the Base Plate and Method for Producing the Base Plate
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US12567529utility2026
Static Electric Induction Device and Operating Method
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US12554795utility2026
Reducing Class Imbalance in Machine-learning Training Dataset
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US12555713utility2026
Medium Frequency Transformer with Parallel Windings
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US12555718utility2026
Transformer Coil Block Design for Seismic Application
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US12555729utility2026
Gas Monitoring System and Respective Method
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US12542235utility2026
Winding, a Transformer and a Transformer Arrangement
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US12538536utility2026
Power Semiconductor Device and Operating Method
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US12510434utility2025
Gas Pressure Monitoring Device of Gas Insulated Switchgear, Gas Pressure Monitoring Method Thereof, and Gas Leak Position Identification Method
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US12509576utility2025
Stabilized Polymer Compositions
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US12510606utility2025
Method for Detecting Earth Faults and Frequency Converter System with Earth Fault Detection
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