Inventor
Ron Shu Yuen Hui
Inventor
Shatin, HK
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Fprimary
H01FMagnets14%
H05BElectric heating14%
H02JElectric power networks12%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications12%
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 systems9%
H04LTransmission of digital information, e.g. telegraphic communication5%
H04BTransmission3%
H04JMultiplex communication3%
H04QSelecting3%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%
PatentTitleYear
10,951,954Methods and systems for video streaming202110,848,003Wireless power transfer system202010,566,133Apparatus and method for wireless power transfer202010,250,072Wireless power transfer system20199,717,120'Apparatus and methods of operation of passive LED lighting equipment'20179,713,212'Current mirror circuit and method'20179,287,344'Monolithic magnetic induction device'2016RE045651'Electronic control method for a planar inductive battery charging apparatus'20158,952,617'Passive LC ballast and method of manufacturing a passive LC ballast'20158,942,018'Single-phase self-driven full-bridge synchronous rectification'20158,897,640'Digital subcarrier optical network utilizing digital subcarrier cross-connects with increased energy efficiency'20148,711,593'Generalized AC-DC synchronous rectification techniques for single- and multi-phase systems'20148,639,116'Digital subcarrier optical network utilizing digital subcarrier cross-connects with increased energy efficiency'20148,482,214'Apparatus and methods of operation of passive LED lighting equipment'20138,228,025'Electronic control method for a planar inductive battery charging apparatus'20128,120,445'Planar EMI filter comprising coreless spiral planar windings'20128,086,434'Methods for optimal operation of light emitting diodes'20117,915,858'Localized charging, load identification and bi-directional communication methods for a planar inductive battery charging system'20117,495,414'Rechargeable battery circuit and structure for compatibility with a planar inductive charging platform'20097,304,439'Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range'20076,888,438'Planar printed circuit-board transformers with effective electromagnetic interference (EMI) shielding'20056,647,176'Method and apparatus to compensate for polarization mode dispersion'20036,545,431'Dimmable electronic ballast'20036,501,364'Planar printed-circuit-board transformers with effective electromagnetic interference (EMI) shielding'20026,459,830'Method and apparatus to compensate for polarization mode dispersion'20026,414,449'Universal electronic ballast'20026,297,621'Voltage sensorless control of power converters'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2020Patents assigned to UNIV CITY HONG KONG (15)· patent assignee history
2001–2020Based in Shatin, HK· patent location history
2002–2014Based in Lenexa, KS, US· patent location history
2002–2017Based in New Territories, HK· patent location history
2003–2021Based in Hong Kong, CN· patent location history
2011–2020Patents assigned to HUI RON SHU YUEN (10)· patent assignee history
2012–2015Patents assigned to HO WING CHOI (3)· patent assignee history
2012–2015Patents assigned to LIU XUN (3)· patent assignee history
2014–2015Patents assigned to CONVENIENTPOWER HK LTD (2)· patent assignee history
2019Based in Shatin, New Territories, HK· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CITY HONG KONG | 15 | 2001–2020 |
| HUI RON SHU YUENself | 10 | 2011–2020 |
| HO WING CHOI | 3 | 2012–2015 |
| LIU XUN | 3 | 2012–2015 |
| CONVENIENTPOWER HK LTD | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shatin, HK | 11 | 2001–2020 |
| Hong Kong, CN | 7 | 2003–2021 |
| Lenexa, KS, US | 4 | 2002–2014 |
| New Territories, HK | 3 | 2002–2017 |
| Shatin, New Territories, HK | 1 | 2019 |