| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | Israel | 1 | |
| #7 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Data recognition and presentation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lipkie Curtis A | 7 |
| #2 | Kleca Eugene A | 6 |
| #3 | Schneider Gary W | 5 |
| #4 | Spehrley Charles W Jr | 4 |
| #5 | Grover David N | 4 |
| #6 | Cranston Dean H | 3 |
| #7 | Lipkie Curtis | 2 |
| #8 | Kaachisu Ei Ritsupukii | 1 |
| #9 | Yuujin Ei Kureka | 1 |
| #10 | Spehrley Jr Charles W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4759075A | Method and apparatus for vectorizing documents and symbol recognition | |
| US4686581A | Document scanning system | |
| CA1256214A | Method and apparatus for vectorizing documents and for symbol recognition | |
| US4718105A | Graphic vectorization system | |
| US4603431A | Method and apparatus for vectorizing documents and symbol recognition |