Inventor
Li Zhang
Inventor
Changsha, CN
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC24primary
LOC2443%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles29%
C07DHeterocyclic compounds14%
F16FSprings14%
PatentTitleYear
D0926324Pulse oximeter2021D0925742Oximeter2021D0925741Oximeter202111,014,906Quinoline-based compounds and methods of inhibiting CDK8/19202110,161,468Two-stage stiffness type elastomer combined device20189,919,718'Variable stiffness positioning device for railway vehicle bogie axle box'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Patents assigned to CRRC YANGTZE CORPORATION LTD (2)· patent assignee history
2018Based in Wuhan, CN· patent location history
2021Patents assigned to HUNAN ACCURATE BIO MEDICAL TECH CO LTD (3)· patent assignee history
2021Patents assigned to SENEX BIOTECHNOLOGY INC (1)· patent assignee history
2021Patents assigned to UNIV SOUTH CAROLINA (1)· patent assignee history
2021Based in Changsha, CN· patent location history
2021Based in West Columbia, SC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUNAN ACCURATE BIO MEDICAL TECH CO LTD | 3 | 2021 |
| CRRC YANGTZE CORPORATION LTD | 2 | 2018 |
| SENEX BIOTECHNOLOGY INC | 1 | 2021 |
| UNIV SOUTH CAROLINA | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Changsha, CN | 3 | 2021 |
| Wuhan, CN | 2 | 2018 |
| West Columbia, SC, US | 1 | 2021 |