Inventor
Changchun Wang
Inventor
Shanghai, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Fprimary
A61FFilters implantable into blood vessels33%
B61GCouplings17%
H01JElectric discharge tubes or discharge lamps17%
H01LSemiconductor devices17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2016Patents assigned to SHANGHAI MICROPORT MEDICAL GROUP CO LTD (2)· patent assignee history
2015Patents assigned to LI JIANJUN (1)· patent assignee history
2015–2016Based in Shanghai, CN· patent location history
2017Patents assigned to CRRC QIQIHAR ROLLING STOCK CO LTD (1)· patent assignee history
2017Patents assigned to CRRC QIQIHAR ROLLING STOCK CO LTD DALIAN RES & DEV CENTER (1)· patent assignee history
2017Based in Heilongjiang, CN· patent location history
2021Patents assigned to APPLIED MATERIALS INC (1)· patent assignee history
2021Based in Andover, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHANGHAI MICROPORT MEDICAL GROUP CO LTD | 2 | 2015–2016 |
| APPLIED MATERIALS INC | 1 | 2021 |
| CRRC QIQIHAR ROLLING STOCK CO LTD | 1 | 2017 |
| CRRC QIQIHAR ROLLING STOCK CO LTD DALIAN RES & DEV CENTER | 1 | 2017 |
| LI JIANJUN | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 2 | 2015–2016 |
| Andover, Massachusetts, US | 1 | 2021 |
| Heilongjiang, CN | 1 | 2017 |