Inventor
Zhaozhang ZHENG
Inventor
CN
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Kprimary
F21KNon-electric light sources using luminescence18%
F21VFunctional features or details of lighting devices or systems thereof18%
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 emitted18%
LOC2613%
H10HInorganic light-emitting semiconductor devices having potential barriers8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
F21SNon-portable lighting devices5%
H01LSemiconductor devices5%
H05BElectric heating3%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%
PatentTitleYear
D1121208Chandelier with branches202612,326,247Light tubes, light fixtures, and light bodies2025D1036712Light202411,898,727Line lamp202411,662,065Manufacturing method of LED filament and manufacturing method of bulb202311,619,357LED filament and bulb202311,614,221Lamp202311,393,966Omnidirectional LED light wire and packaging method thereof, light source and lamp2022D0943788Light bulb2022D0943787Light bulb2022D0943786Light bulb202211,215,326Filament lamp lighting module and manufacturing method thereof202211,187,387Color-controllable LED luminescent lamp2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2022Patents assigned to HANGZHOU HANGKE OPTOELECTRONICS GROUP CO LTD (2)· patent assignee history
2021–2026Based in CN· patent location history
2022–2026Patents assigned to HANGZHOU HANGKE OPTOELECTRONICS CO LTD (11)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HANGZHOU HANGKE OPTOELECTRONICS CO LTD | 11 | 2022–2026 |
| HANGZHOU HANGKE OPTOELECTRONICS GROUP CO LTD | 2 | 2021–2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 13 | 2021–2026 |