Inventor
YUANKAI YOU
Inventor
CN
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 luminescence23%
F21VFunctional features or details of lighting devices or systems thereof23%
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 emitted23%
H05BElectric heating15%
H01QAntennas, i.e. radio aerials8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to XIAMEN ECO LIGHTING CO LTD (1)· patent assignee history
2022–2025Based in CN· patent location history
2023Patents assigned to XIAMEN LEEDARSON LIGHTING CO LTD (1)· patent assignee history
2025Patents assigned to LEEDARSON LIGHTING CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEEDARSON LIGHTING CO LTD | 1 | 2025 |
| XIAMEN ECO LIGHTING CO LTD | 1 | 2022 |
| XIAMEN LEEDARSON LIGHTING CO LTD | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 3 | 2022–2025 |