Inventor
Wai Pong Choi
Inventor
Kowloon, HK
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks20%
H01LSemiconductor devices13%
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 systems13%
H04BTransmission13%
H10KOrganic electric solid-state devices13%
H03KPulse technique7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
10,971,574Display device202110,964,910Display device including hole having protruded portions and depressed portion and manufacturing method thereof20218,836,171'Modulation circuit and method'20148,711,593'Generalized AC-DC synchronous rectification techniques for single- and multi-phase systems'20148,554,165'Universal demodulation and modulation for data communication in wireless power transfer'20138,300,440'AC-DC converter and AC-DC conversion method'20128,290,463'Universal demodulation and modulation for data communication in wireless power transfer'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2014Patents assigned to CONVENIENTPOWER HK LTD (5)· patent assignee history
2012–2014Patents assigned to CHOI WAI PONG (4)· patent assignee history
2012–2014Patents assigned to LIU XUN (3)· patent assignee history
2012–2014Patents assigned to HO WING CHOI (2)· patent assignee history
2012–2014Based in Kowloon, HK· patent location history
2021Patents assigned to SAMSUNG DISPLAY CO LTD (2)· patent assignee history
2021Based in Hwaseong-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONVENIENTPOWER HK LTD | 5 | 2012–2014 |
| CHOI WAI PONGself | 4 | 2012–2014 |
| LIU XUN | 3 | 2012–2014 |
| HO WING CHOI | 2 | 2012–2014 |
| SAMSUNG DISPLAY CO LTD | 2 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kowloon, HK | 5 | 2012–2014 |
| Hwaseong-si, KR | 2 | 2021 |