Inventor
Fu Liao
Inventor
Langfang, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Sprimary
F21SNon-portable lighting devices13%
F21VFunctional features or details of lighting devices or systems thereof13%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems13%
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%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
G06FElectric digital data processing13%
H05KPrinted circuits13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to HWA HSIA GLASS CO LTD (1)· patent assignee history
2003Based in Taipei, TW· patent location history
2020Patents assigned to YUNGU GUAN TECH CO LTD (1)· patent assignee history
2020Based in Langfang, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HWA HSIA GLASS CO LTD | 1 | 2003 |
| YUNGU GUAN TECH CO LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Langfang, CN | 1 | 2020 |
| Taipei, TW | 1 | 2003 |