Inventor
JUNHAO YUAN
Inventor
CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus25%
F21KNon-electric light sources using luminescence13%
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%
H01LSemiconductor devices13%
H10HInorganic light-emitting semiconductor devices having potential barriers13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to LEDVANCE GMBH (1)· patent assignee history
2022–2025Based in CN· patent location history
2024Patents assigned to AAC ACOUSTIC TECH SHANGHAI CO LTD (1)· patent assignee history
2025Patents assigned to AAC ACOUSTIC TECH SHENZHEN CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AAC ACOUSTIC TECH SHANGHAI CO LTD | 1 | 2024 |
| AAC ACOUSTIC TECH SHENZHEN CO LTD | 1 | 2025 |
| LEDVANCE GMBH | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 3 | 2022–2025 |