Inventor
Wai Man Ng
Inventor
Hong Kong, CN
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks27%
H05BElectric heating18%
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing9%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
H01FMagnets9%
LOC109%
LOC169%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
10,848,003Wireless power transfer system202010,250,072Wireless power transfer system20198,952,617'Passive LC ballast and method of manufacturing a passive LC ballast'20157,014,581'Sound and light emitting inflatable ball'2006D0479549'Camera'2003D0462907'Water clock'20026,320,351'Intelligent switch for battery'20015,408,068'Electric heater for use in vehicle'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995Based in Kwai Chung, New Territories, HK· patent location history
2001–2003Based in Kowloon Bay, HK· patent location history
2002Patents assigned to MAN WILL IND COMPANY (1)· patent assignee history
2002–2015Based in Kwai Chung, HK· patent location history
2003Patents assigned to CONCORD CAMERA CORP (1)· patent assignee history
2006Based in Cheung Sha Wan, Kowloon, HK· patent location history
2015Patents assigned to HUI RON SHU YUEN (1)· patent assignee history
2015Patents assigned to LIN DEYAN (1)· patent assignee history
2019–2020Patents assigned to UNIV HONG KONG (2)· patent assignee history
2019–2020Based in Hong Kong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV HONG KONG | 2 | 2019–2020 |
| CONCORD CAMERA CORP | 1 | 2003 |
| HUI RON SHU YUEN | 1 | 2015 |
| LIN DEYAN | 1 | 2015 |
| MAN WILL IND COMPANY | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hong Kong, CN | 2 | 2019–2020 |
| Kwai Chung, HK | 2 | 2002–2015 |
| Kowloon Bay, HK | 2 | 2001–2003 |
| Cheung Sha Wan, Kowloon, HK | 1 | 2006 |
| Kwai Chung, New Territories, HK | 1 | 1995 |