Xiaopo Ma
5Patents
4h-index
8Co-inventors
42Inventor score
Filing activity: Jan 5, 2005 → Mar 18, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7926455B2 | Roller finger follower for valve deactivation | Mechanical Engineering; Lighting; Heating | 40 | Active |
| US7522706B2 | X-ray tube cooling collar | Electricity | 26 | Expired |
| US7909007B2 | Roller finger follower for valve deactivation | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US8393308B2 | Switchable cam follower of a valve train of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US7839980B2 | X-ray tube cooling apparatus | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.