Inventor
CHENG-KUANG YANG
Inventor
TW
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Kprimary
F21KNon-electric light sources using luminescence15%
F21VFunctional features or details of lighting devices or systems thereof15%
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 emitted15%
H01LSemiconductor devices15%
H10HInorganic light-emitting semiconductor devices having potential barriers15%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
G02BOptical elements, systems or apparatus8%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2023Patents assigned to EPISTAR CORP (2)· patent assignee history
2022–2023Based in TW· patent location history
2023Patents assigned to WU WEN TSUN (1)· patent assignee history
2023Patents assigned to Wang shu bin (1)· patent assignee history
2023Patents assigned to YANG CHING YAO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EPISTAR CORP | 2 | 2022–2023 |
| WU WEN TSUN | 1 | 2023 |
| Wang shu bin | 1 | 2023 |
| YANG CHING YAO | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| TW | 3 | 2022–2023 |