Inventor

Qingjun Wei

Inventor
Shanghai, CN

Overview

3→
Patents
2020–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F21Sprimary
F21SNon-portable lighting devices15%
F21VFunctional features or details of lighting devices or systems thereof15%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems15%
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%
G02BOptical elements, systems or apparatus8%
G06FElectric digital data processing8%
G06KGraphical data reading8%
G06TImage data processing or generation, in general8%
G06VImage or video recognition or understanding8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to ALIBABA GROUP HOLDING LTD (1)· patent assignee history
2020Based in Hangzhou, CN· patent location history
2021Patents assigned to OPPLE LIGHTING CO LTD (2)· patent assignee history
2021Patents assigned to Suzhou opple lighting co ltd (2)· patent assignee history
2021Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OPPLE LIGHTING CO LTD22021
Suzhou opple lighting co ltd22021
ALIBABA GROUP HOLDING LTD12020
Locations
LocationPatentsSpan
Shanghai, CN22021
Hangzhou, CN12020