Inventor
Congfeng Zhang
Inventor
Zhejiang, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Kprimary
F21KNon-electric light sources using luminescence13%
F21SNon-portable lighting devices13%
F21VFunctional features or details of lighting devices or systems thereof13%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted13%
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%
H10HInorganic light-emitting semiconductor devices having potential barriers13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010Patents assigned to BEL POWER HANGZHOU CO LTD (1)· patent assignee history
2010Based in Hangzhou, CN· patent location history
2013Patents assigned to HUA GUICHAO (1)· patent assignee history
2013Patents assigned to LANG KUN (1)· patent assignee history
2013Patents assigned to TANG WANYU (1)· patent assignee history
2013Patents assigned to THINKLUX ZHEJIANG LIGHTING TECHNOLOGY CO LTD (1)· patent assignee history
2013Based in Zhejiang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BEL POWER HANGZHOU CO LTD | 1 | 2010 |
| HUA GUICHAO | 1 | 2013 |
| LANG KUN | 1 | 2013 |
| TANG WANYU | 1 | 2013 |
| THINKLUX ZHEJIANG LIGHTING TECHNOLOGY CO LTD | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Zhejiang, CN | 1 | 2013 |
| Hangzhou, CN | 1 | 2010 |