| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Japan | 3 | |
| #3 | United States | 3 | |
| #4 | Australia | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gable Melvin | 13 |
| #2 | Caldwell William | 12 |
| #3 | Lewis Roy | 10 |
| #4 | Galdwell William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2008113460A | Recording and reproducing device for audio/video data | |
| JP2007202156A | Digital video, and data recording apparatus | |
| US6865339B1 | Digital video and data recorder | |
| US6128433A | Controlling frequency drift of a digital video tape drive | |
| US6151443A | Digital video and data recorder |