Patents/Assignees

HITACHI ENERGY Ltd

287 patents in portfolio

US12432950utility2025
Insulated Gate Bipolar Transistor Including Trench Schottky Electrode
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USD1094389design2025
Display Screen or Portion Thereof with Graphical User Interface
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US12426349utility2025
Reverse Conducting Power Semiconductor Device and Method for Manufacturing the Same
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US12418178utility2025
Adaptive Power Oscillation Damping Controller for a Grid-forming Converter
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US12412683utility2025
Bushing Assembly for a Housing for Electrical
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US12412713utility2025
Contact Assembly
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US12406317utility2025
Method and System for Decentralized Energy Forecasting and Scheduling
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US12406821utility2025
High Voltage Bypass Device, Voltage Source Converter and Operating Method
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US12407151utility2025
Grounding Structure, Method for Assembling Grounding Structure and Gas-insulated Transmission Line
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USD1090624design2025
Display Screen or Portion Thereof with Icon
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US12400780utility2025
Non-liquid Immersed Transformer
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US12400816utility2025
High Voltage Circuit-breaker
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US12401187utility2025
Detecting an Electrical Fault Within a Monitored Zone of a Power Transmission Line
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US12402288utility2025
Enclosure
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US12394550utility2025
Transformer Cooling System
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US12394553utility2025
Transformer Tank for a Shell Type Transformer, Shell Type Transformer and Method for Clamping a Magnetic Core of a Shell Type Transformer
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US12394561utility2025
Method for Measuring a Quantity of Liquid in a Liquid-insulated Electrical Component, Liquid-insulated Electrical Component and Railroad Vehicle Having the Same
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US12394562utility2025
Dry Transformer
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US12394578utility2025
Determination of Electrical Making Instants Using Load Voltage for Coupled Loads
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US12394985utility2025
Controlling an Energy Storage System
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