Inventor
Zhicheng Guo
Inventor
Shandong, CN
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Dprimary
B61DBody details or kinds of railway vehicles33%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles33%
H05KPrinted circuits33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Patents assigned to CRRC QINGDAO SIFANG CO LTD (1)· patent assignee history
2018Based in Shandong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CRRC QINGDAO SIFANG CO LTD | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shandong, CN | 1 | 2018 |