Chanchal Chatterjee
10Patents
4h-index
5Co-inventors
53Inventor score
Filing activity: Jun 5, 1991 → Aug 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5317652A | Rotation and position invariant optical character recognition | Physics | 35 | Expired |
| US9582157B1 | User interface and program guide for a multi-program video viewing apparatus | Physics | 20 | Active |
| US5701179A | Method and system for measuring dimensions of an edge of a part | Physics | 19 | Expired |
| US5604545A | Methods and apparatus for enhancing gray scale images | Physics | 4 | Expired |
| US8908765B2 | Method and apparatus for performing motion estimation | Electricity | 4 | Active |
| US7177889B2 | Methods and systems for efficient filtering of digital signals | Physics | 3 | Expired |
| US7130876B2 | Systems and methods for efficient quantization | Electricity | 3 | Expired |
| US7636746B2 | Methods and systems for efficient filtering of digital signals | Physics | 1 | Active |
| US7991813B2 | Methods and systems for efficient filtering of digital signals | Physics | 0 | Active |
| US9287852B2 | Methods and systems for efficient filtering of digital signals | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.