| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 6 | |
| #3 | China | 4 | |
| #4 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | IT methods for management | |
| #3 | Digital networks | |
| #4 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Television | |
| #2 | Data processing systems | |
| #3 | Digital information transmission | |
| #4 | Electric digital data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Toyota Yuichi | 13 |
| #2 | Nakanishi Naoya | 12 |
| #3 | Yuichi Toyota | 4 |
| #4 | Naoya Nakanishi | 3 |
| #5 | Nakanishi N | 2 |
| Publication | Filing date | Title |
|---|---|---|
| EP1357496A1 | Information storage medium where program for charging and using content and program-loaded device |