Inventor · disambiguated record
Ngai-Man Ho
Also filed as: HO NGAI-MAN
13 granted patents·4 pending applications·50 citations·filing 2004–2021
87Inventor score
Top patents by PatentIndex Score
17 records- 0188US9030854B2Method and apparatus for zero-sequence damping and voltage balancingABB RESEARCH LTD·Filed 2013·Granted May 12, 2015·18 cites·15 claims
- 0286US9093917B2Bridgeless power factor correction circuitABB TECHNOLOGY AG·Filed 2014·Granted Jul 28, 2015·9 cites·20 claims
- 0383US9344005B2Method and apparatus for producing three-phase currentABB RESEARCH LTD·Filed 2014·Granted May 17, 2016·7 cites·8 claims
- 0470US9331563B2Active snubber topologyABB RESEARCH LTD·Filed 2014·Granted May 3, 2016·3 cites·20 claims
- 0569US10381953B2Bi-directional electric power conversion circuit with bridgeless buck-boost circuit and reconfigurable capacitor-inductor filter circuitUNIV MANITOBA·Filed 2017·Granted Aug 13, 2019·2 cites·12 claims
- 0654US8488351B2Non-isolated DC-DC converter for solar power plantSERPA LEONARDO-AUGUSTO·Filed 2011·Granted Jul 16, 2013·2 cites·14 claims
- 0748US12021381B2Device for electrically interconnecting DC microgrid with higher voltage DC bus and related methodsUNIV MANITOBA·Filed 2021·Granted Jun 25, 2024·0 cites·24 claims
- 0847US10728981B2Transformerless single-phase unified power quality conditioner (UPQC) for large scale LED lighting networksUNIV MANITOBA·Filed 2018·Granted Jul 28, 2020·0 cites·17 claims
- 0946US9331486B2Method and apparatus for detecting islanding conditions of a distributed gridABB RESEARCH LTD·Filed 2012·Granted May 3, 2016·0 cites·12 claims
- 1046US7411359B2Apparatus and method for providing dimming control of lamps and electrical lighting systemsENERGY DOUBLE TREE LTD E·Filed 2004·Granted Aug 12, 2008·9 cites·28 claims
- 1145US12283447B2Direct current circuit breaker and related methodUNIV MANITOBA·Filed 2021·Granted Apr 22, 2025·0 cites·18 claims
- 1242US11277078B2Full-bridge inverter with unipolar switching scheme and its method of operationABB SCHWEIZ AG·Filed 2020·Granted Mar 15, 2022·0 cites·9 claims
- 1341US8929108B2Method and apparatus for controlling a grid-connected converterABB RESEARCH LTD·Filed 2013·Granted Jan 6, 2015·0 cites·17 claims
- 1439US2013110434A1Method and arrangement for detecting frequency and fundamental wave component of three-phase signalABB RESEARCH LTD·Filed 2012·Application pending·0 cites
- 1539US2013200715A1Converter assembly and a power plant including the converter assemblyABB RESEARCH LTD·Filed 2013·Application pending·0 cites
- 1635US2014043014A1Phase-locked loopABB TECHNOLOGY AG·Filed 2013·Application pending·0 cites
- 1733US2012242152A1Method for searching global maximum power pointESCOBAR GERARDO·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →