Charles E. Pierson
5Patents
3h-index
5Co-inventors
42Inventor score
Filing activity: Sep 30, 2003 → Jan 24, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7805307B2 | Text to speech conversion system | Physics | 12 | Active |
| US8154778B2 | Systems and methods for color correction processing and notification for digital image data generated from a document image | Electricity | 4 | Active |
| US8629839B2 | Display screen translator | Physics | 3 | Active |
| US7734209B2 | Imaging device with click count fragmentation | Physics | 3 | Active |
| US7075415B2 | Conversion of light signals to audio | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.