Inventor

NGAI MAN HO

Inventor

Overview

3→

Patents

2022–2025

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y02Bprimary

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications22%

H01HElectric switches11%

H02HEmergency protective circuit arrangements11%

H02JElectric power networks11%

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 systems11%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids11%

PatentTitleYear

12,283,447Direct current circuit breaker and related method2025 12,021,381Device for electrically interconnecting DC microgrid with higher voltage DC bus and related methods2024 11,277,078Full-bridge inverter with unipolar switching scheme and its method of operation2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to ABB SCHWEIZ AG (1)· patent assignee history

2022–2025Based in CA· patent location history

2024–2025Patents assigned to UNIV MANITOBA (2)· patent assignee history

2025Patents assigned to Ujniversity of Manitoba (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV MANITOBA	2	2024–2025
ABB SCHWEIZ AG	1	2022
Ujniversity of Manitoba	1	2025

Locations

Location	Patents	Span
CA	3	2022–2025