Inventor
Shengwang Du
Inventor
Hong Kong, CN
Overview
Patents· 4 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%
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%
H05BElectric heating13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
G21KHandling of particles or ionising radiation not otherwise provided for6%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2014Patents assigned to ENERGY SOLUTIONS INC 1 (2)· patent assignee history
2011–2018Based in Hong Kong, CN· patent location history
2014Patents assigned to DU SHENGWANG (2)· patent assignee history
2014Patents assigned to BELTHANGADY CHINMAY (1)· patent assignee history
2014Patents assigned to UNIV HONG KONG SCIENCE & TECHN (1)· patent assignee history
2018Patents assigned to SHENZHEN NANOBIOIMAGING LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU SHENGWANGself | 2 | 2014 |
| ENERGY SOLUTIONS INC 1 | 2 | 2011–2014 |
| BELTHANGADY CHINMAY | 1 | 2014 |
| SHENZHEN NANOBIOIMAGING LTD | 1 | 2018 |
| UNIV HONG KONG SCIENCE & TECHN | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hong Kong, CN | 4 | 2011–2018 |