Inventor
Duling Qin
Inventor
Beijing, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Fprimary
B41FPrinting machines or presses33%
B41MPrinting, duplicating, marking, or copying processes33%
B41PIndexing scheme relating to printing, lining machines, typewriters, and to stamps33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020Patents assigned to BOE TECHNOLOGY GROUP CO LTD (1)· patent assignee history
2020Patents assigned to CHENGDU BOE OPTOELECT TECH CO (1)· patent assignee history
2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BOE TECHNOLOGY GROUP CO LTD | 1 | 2020 |
| CHENGDU BOE OPTOELECT TECH CO | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 1 | 2020 |