Inventor
Yikai Xu
Inventor
Zhuzhou, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E01Dprimary
E01DConstruction of bridges, elevated roadways or viaducts17%
E04HBuildings or like structures for particular purposes17%
F16FSprings17%
F21VFunctional features or details of lighting devices or systems thereof17%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted17%
H05KPrinted circuits17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020Patents assigned to CHINA RAILWAY ERYUAN ENG GROUP (1)· patent assignee history
2020Based in Chengdu, CN· patent location history
2021Patents assigned to ZOPOISE TECH ZHUZHOU CO LTD (1)· patent assignee history
2021Based in Zhuzhou, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA RAILWAY ERYUAN ENG GROUP | 1 | 2020 |
| ZOPOISE TECH ZHUZHOU CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Zhuzhou, CN | 1 | 2021 |
| Chengdu, CN | 1 | 2020 |