Inventor
HO NGAI MAN
CA13 patents
⚠️ This page may combine multiple inventors who share the name “HO NGAI MAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABB RESEARCH LTD
5 patentsUS9344005B2May 17, 2016
Method and apparatus for producing three-phase current
ABB RESEARCH LTD7 citations83
US9030854B2May 12, 2015
Method and apparatus for zero-sequence damping and voltage balancing
ABB RESEARCH LTD18 citations82
US9331563B2May 3, 2016
Active snubber topology
ABB RESEARCH LTD3 citations70
US9331486B2May 3, 2016
Method and apparatus for detecting islanding conditions of a distributed grid
ABB RESEARCH LTD0 citations39
US8929108B2Jan 6, 2015
Method and apparatus for controlling a grid-connected converter
ABB RESEARCH LTD0 citations39
UNIV MANITOBA
4 patentsUS10381953B2Aug 13, 2019
Bi-directional electric power conversion circuit with bridgeless buck-boost circuit and reconfigurable capacitor-inductor filter circuit
UNIV MANITOBA2 citations68
US12283447B2Apr 22, 2025
Direct current circuit breaker and related method
UNIV MANITOBA0 citations48
US12021381B2Jun 25, 2024
Device for electrically interconnecting DC microgrid with higher voltage DC bus and related methods
UNIV MANITOBA0 citations48
US10728981B2Jul 28, 2020
Transformerless single-phase unified power quality conditioner (UPQC) for large scale LED lighting networks
UNIV MANITOBA0 citations43