Inventor

VU KHOI

US4 patents

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

ABB POWER T & D CO

2 patents

US6173216B1Jan 9, 2001

Protective relay with improved, sub-window cosine filter

ABB POWER T & D CO32 citations91

US5974361AOct 26, 1999

Waveform reconstruction from distorted (saturated) currents

ABB POWER T & D CO17 citations81

ABB RESEARCH LTD

1 patent

US7558703B2Jul 7, 2009

Electrical substation monitoring and diagnostics

ABB RESEARCH LTD80 citations94

HITACHI ENERGY SWITZERLAND AG

1 patent

US11309702B2Apr 19, 2022

Systems and methods for islanding protection

HITACHI ENERGY SWITZERLAND AG0 citations50