Inventor
Ngai-Man Ho
Inventor
Fislisbach, CH
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems32%
H02JElectric power networks18%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications18%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
H05BElectric heating9%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
10,728,981Transformerless single-phase unified power quality conditioner (UPQC) for large scale LED lighting networks202010,381,953Bi-directional electric power conversion circuit with bridgeless buck-boost circuit and reconfigurable capacitor-inductor filter circuit20199,344,005'Method and apparatus for producing three-phase current'20169,331,563'Active snubber topology'20169,331,486'Method and apparatus for detecting islanding conditions of a distributed grid'20169,093,917'Bridgeless power factor correction circuit'20159,030,854'Method and apparatus for zero-sequence damping and voltage balancing'20158,929,108'Method and apparatus for controlling a grid-connected converter'20158,488,351'Non-isolated DC-DC converter for solar power plant'20137,411,359'Apparatus and method for providing dimming control of lamps and electrical lighting systems'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008Based in Kowloon, HK· patent location history
2013–2016Patents assigned to ABB RESEARCH LTD (6)· patent assignee history
2013Patents assigned to CANALES FRANCISCO (1)· patent assignee history
2013Patents assigned to COCCIA ANTONIO (1)· patent assignee history
2013–2016Based in Fislisbach, CH· patent location history
2015Patents assigned to ABB TECHNOLOGY AG (1)· patent assignee history
2019–2020Patents assigned to UNIV MANITOBA (2)· patent assignee history
2019–2020Based in Winnipeg, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ABB RESEARCH LTD | 6 | 2013–2016 |
| UNIV MANITOBA | 2 | 2019–2020 |
| ABB TECHNOLOGY AG | 1 | 2015 |
| CANALES FRANCISCO | 1 | 2013 |
| COCCIA ANTONIO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fislisbach, CH | 7 | 2013–2016 |
| Winnipeg, CA | 2 | 2019–2020 |
| Kowloon, HK | 1 | 2008 |