Inventor
Kwun Chiu Wan
Inventor
Kowloon, HK
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks25%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses25%
H01QAntennas, i.e. radio aerials13%
H03HImpedance networks, e.g. resonant circuits13%
H04BTransmission13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
8,624,545'Portable electronic device with antenna and power transfer coil'20148,301,077'Antenna network for passive and active signal enhancement'20128,294,418'Power transfer device and method'20128,138,841'Apparatus and method for controlling the output phase of a VCO'20127,999,624'Radiation source'20117,915,942'Apparatus and method for calibrating a variable phase shifter'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2012Patents assigned to UNIV CITY HONG KONG (3)· patent assignee history
2011–2014Based in Kowloon, HK· patent location history
2012–2014Patents assigned to WAN KWUN CHIU (4)· patent assignee history
2012–2014Patents assigned to XUE QUAN (4)· patent assignee history
2012–2014Patents assigned to HUI SHU YUEN RON (3)· patent assignee history
2012Patents assigned to CONVENIENTPOWER LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WAN KWUN CHIUself | 4 | 2012–2014 |
| XUE QUAN | 4 | 2012–2014 |
| HUI SHU YUEN RON | 3 | 2012–2014 |
| UNIV CITY HONG KONG | 3 | 2011–2012 |
| CONVENIENTPOWER LTD | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kowloon, HK | 6 | 2011–2014 |