Inventor
Changjiang Wei
Inventor
Shanghai, CN
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| SHANGHAI XIAOYI TECH CO LTD | 3 | 2019–2020 |
| XIAOYI TECH CO LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 2 | 2019 |
| Beijing, CN | 1 | 2020 |