| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Japan | 3 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Image data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roberts Lawrence G | 11 |
| #2 | Henderson Alex E | 7 |
| #3 | Hunt Dennis L | 4 |
| #4 | Drain Frederick L | 3 |
| #5 | Roberts Larry | 2 |
| #6 | Drain Frederick | 2 |
| #7 | Henderson Alex | 2 |
| #8 | Drain Fredrick L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5095512A | Method and apparatus for manipulating image data employing an intermediate format | |
| CA1288859C | Method and apparatus for image data compression | |
| US4837848A | Apparatus for selecting a reference line for image data compression | |
| US4794461A | Method and apparatus for block coding vertical mode codes for enhanced compression of image data | |
| US4729034A | Method and apparatus for selection of a coding reference line for two-dimensional coding of image data representing screened images |