John E. Redden
7Patents
5h-index
3Co-inventors
56Inventor score
Filing activity: Jul 24, 1987 → Jun 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4833722A | Apparatus and methods for locating edges and document boundaries in video scan lines | Electricity | 36 | Expired |
| US4774569A | Method for adaptively masking off a video window in an overscanned image | Electricity | 33 | Expired |
| US4982294A | Apparatus for enhancing and thresholding scanned microfilm images and methods for use therein | Electricity | 22 | Expired |
| US4868670A | Apparatus and method for improving the compressibility of an enhanced image through use of a momentarily varying threshold level | Physics | 12 | Expired |
| US5617223A | Image scanner system and method for improved microfilm image quality | Electricity | 9 | Expired |
| US5678120A | Method and apparatus for processing a photosensitive material | Physics | 1 | Expired |
| US11944912B2 | Multi-player game system | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.