Inventor
Huachen Liu
Inventor
Hubei, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC27primary
LOC2750%
G06FElectric digital data processing17%
H04LTransmission of digital information, e.g. telegraphic communication17%
H04MTelephonic communication17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2019Patents assigned to ALIBABA GROUP HOLDING LTD (1)· patent assignee history
2019Patents assigned to DINGTALK HOLDING CAYMAN LTD (1)· patent assignee history
2019Based in Hangzhou, CN· patent location history
2020Patents assigned to HUBEI CHINA TOBACCO IND CO LTD (3)· patent assignee history
2020Based in Hubei, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUBEI CHINA TOBACCO IND CO LTD | 3 | 2020 |
| ALIBABA GROUP HOLDING LTD | 1 | 2019 |
| DINGTALK HOLDING CAYMAN LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hubei, CN | 3 | 2020 |
| Hangzhou, CN | 1 | 2019 |