Inventor

ENDO FUMIHIRO

JP31 patents

⚠️ This page may combine multiple inventors who share the name “ENDO FUMIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ENDO FUMIHIRO

HITACHI LTD

Abnormality diagnosing system and method for a high voltage power apparatus

Abnormality diagnosing system and method for a high voltage power apparatus

Gas insulated device and failure rating method

Gas insulated switchgear

Gas insulated switchgear

Method of diagnosing partial discharge in gas-insulated apparatus and partial discharge diagnosing system for carrying out the same

Method of diagnosing partial discharge in gas-insulated apparatus and partial discharge diagnosing system for carrying out the same

Bushing

Gas insulated switchgear

Method of configuring a neural network and a diagnosis/control system using the neural network

Method of configuring a neural network and a diagnosis/recognition system using the same

Power apparatus and method of location of a fault in a power apparatus on the basis of attenuation coefficients of electromagnetic coefficients of fault generated electromagnetic waves

Insulated device diagnosing system that prepares detection data from partial discharge signal such that periodic elements are given to different specific frequencies of the partial discharge signal

Insulated device diagnosing system for diagnosing device based upon partial discharge signal data analyzed by frequency

Method and apparatus for locating an abnormality in a gas-insulated electric device

Enclosed electric conductor arrangement

Gas insulating apparatus and method for locating fault point thereof

Gas insulating apparatus and method for locating fault point thereof

Gas insulated electric apparatus

Insulation gas filled circuit breaker

Gas insulated apparatus with internal coated insulation layer of high dielectric constant

Gas-insulated electrical apparatus with electret for captivating conductive particles and method of removing such particles during assembly thereof

Gas insulated device, gas insulated switchgear, gas insulated bus line, and cable direct-coupled gas insulated switchgear

Gas insulating apparatus and method for locating fault point thereof

Gas-insulated circuit breaker

Temperature measurement apparatus

Gas blast, puffer type circuit breaker with improved nozzle

Conductor supporting apparatus for gas insulated equipment

JAPAN AE POWER SYSTEMS CORP

Method and system for monitoring partial discharge in gas-insulated apparatus

Gas-insulated switchgear tank

Method and system for measuring partial discharge