Norman D. Richards
11Patents
11h-index
8Co-inventors
61Inventor score
Filing activity: Apr 6, 1987 → Feb 4, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5448372A | Storage and retrieval of digitized photographic images | Electricity | 80 | Expired |
| US4868764A | Image encoding and decoding method and apparatus | Physics | 58 | Expired |
| US5270812A | Method of encoding image pixel values for storage as compressed digital data and method of decoding the compressed digital data | Electricity | 55 | Expired |
| US5301172A | Method of storing user information items and apparatus for reproducing stored items | Electricity | 53 | Expired |
| US5247358A | Display apparatus having means for generating a test signal on the display to facilitate adjustment of a property of the displayed image | Electricity | 33 | Expired |
| US4857992A | Image display apparatus and method | Electricity | 31 | Expired |
| US5369418A | Display apparatus, a method of storing an image and a storage device wherein an image has been stored | Electricity | 21 | Expired |
| US4858026A | Image display | Electricity | 18 | Expired |
| US5014127A | Method of generating a series of DPCM code words, method of storing color image data, optical disc whereon image data are stored, and display apparatus | Electricity | 14 | Expired |
| US5438635A | Method and apparatus for encoding and storing pixel values and for decoding and reproducing a digitised image | Electricity | 13 | Expired |
| US5784064A | Image processing | Human Necessities | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.