Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239846 | Digital video effects, apparatus and method | — | 2001-05-29 |
| 5524091 | Accurate digital divider | — | 1996-06-04 |
| 5293233 | Digital video effects with image mapping on to curved surface | Nicholas Barton | 1994-03-08 |
| 5220428 | Digital video effects apparatus for image transposition | Nicholas Barton | 1993-06-15 |
| 5153726 | Recording and editing of moving television pictures | — | 1992-10-06 |
| 5067133 | Error-correction of stored television signals | — | 1991-11-19 |
| 4922345 | Processing of video image signals | Nicholas Barton, Hugh K. Littlejohn | 1990-05-01 |
| 4918530 | Processing of video image signals | Nicholas Barton | 1990-04-17 |
| 4879597 | Processing of video image signals | Nicholas Barton, Paul K. Burgess | 1989-11-07 |
| 4847691 | Processing of video image signals | Nicholas Barton | 1989-07-11 |