Inventor
QINGJIANG MA
Inventor
CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC25primary
LOC25100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to NINGBO HELONG NEW MAT CO LTD (4)· patent assignee history
2021Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NINGBO HELONG NEW MAT CO LTD | 4 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2021 |