Ping-Ju Chang
3Patents
1h-index
4Co-inventors
30Inventor score
Filing activity: Sep 5, 2011 → Aug 8, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9195026B1 | Step response suppression structure of lens driving apparatus | Physics | 11 | Active |
| US9341811B2 | Method and apparatus for adjusting-free automatic focus | Physics | 0 | Active |
| US8291442B2 | Electromagnetic actuator of optical pickup head | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.