| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 33 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Television | |
| #3 | Speech analysis | |
| #4 | Display controls |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yahata Hiroshi | 33 |
| #2 | Okada Tomoyuki | 18 |
| #3 | Ikeda Wataru | 6 |
| #4 | Yagi Tomotaka | 5 |
| #5 | Itoh Masanori | 3 |
| #6 | Mccrossan Joseph | 1 |
| #7 | Ogawa Tomoki | 1 |
| #8 | Yamamoto Shinichi | 1 |
| #9 | Sueyoshi Masahiro | 1 |
| #10 | Beged-Dov Gabe B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009003172A1 | Playback device, recording device, disc medium, and method | |
| US2008049574A1 | Data Processor |