Ning Zhang
1Patents
0Active
1Granted
24Portfolio score
Filing activity: Sep 14, 1989 → Sep 14, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5042859A | Pneumatic bumper mounted on a base | Performing Operations; Transporting | 38 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.