Inventor

Changjiang Wei

Inventor
Shanghai, CN

Overview

3→
Patents
2019–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television43%
G02BOptical elements, systems or apparatus14%
G06FElectric digital data processing14%
H04LTransmission of digital information, e.g. telegraphic communication14%
H04WWireless communication networks14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to SHANGHAI XIAOYI TECH CO LTD (3)· patent assignee history
2019Patents assigned to XIAOYI TECH CO LTD (1)· patent assignee history
2019Based in Shanghai, CN· patent location history
2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHANGHAI XIAOYI TECH CO LTD32019–2020
XIAOYI TECH CO LTD12019
Locations
LocationPatentsSpan
Shanghai, CN22019
Beijing, CN12020