Inventor
Shangwu Chen
Inventor
Wheeling, IL, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating43%
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 systems29%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
PatentTitleYear
10,264,640Phase-cut dimmer device and method of phase-cut dimming for a lighting unit controlled by a rocker-type user interface201910,230,307Shunt device in lighting control system without neutral wire20199,906,153'Two-wire neutralless digital dimmer for leading-edge dimmable lamp driver and a method of operation thereof'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2019Patents assigned to PHILIPS LIGHTING HOLDING BV (2)· patent assignee history
2018–2019Based in Wheeling, IL, US· patent location history
2019Patents assigned to KONINKLIJKE PHILIPS NV (1)· patent assignee history
2019Patents assigned to SIGNIFY HOLDING BV (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS LIGHTING HOLDING BV | 2 | 2018–2019 |
| KONINKLIJKE PHILIPS NV | 1 | 2019 |
| SIGNIFY HOLDING BV | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wheeling, Illinois, US | 3 | 2018–2019 |