| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 6 | |
| #2 | United States | 2 | |
| #3 | Australia | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | IT methods for management | |
| #3 | Digital networks |
| # | Technology | |
|---|---|---|
| #1 | Electric digital data processing | |
| #2 | Data processing systems | |
| #3 | Digital information transmission |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okamoto Akiyoshi | 11 |
| #2 | Ishida Masataka | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JP2007330130A | Hand-roll sushi maker | |
| JP2004005261A | Contents charging system | |
| JP2003006534A | Contract supporting system utilizing computer network | |
| WO0193134A1 | Rental system of digital content | |
| JP2002352153A | System, method and server for renting digital contents | |
| JP2002157396A | Marketing method for digital contents | |
| JP2001338049A | Rental method for digital contents |