Inventor
Qingqi Dou
Inventor
Irvine, CA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G08Bprimary
G08BSignalling systems, e.g. personal calling systems100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014Patents assigned to CAO ZHIHENG (1)· patent assignee history
2014Patents assigned to DOU QINGQI (1)· patent assignee history
2014Based in Irvine, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CAO ZHIHENG | 1 | 2014 |
| DOU QINGQIself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Irvine, California, US | 1 | 2014 |