| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 7 | |
| #2 | Australia | 3 | |
| #3 | China | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Hong Kong | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology | |
| #3 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Electric digital data processing | |
| #3 | Telephonic communication | |
| #4 | Television |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamaguchi Masahiro | 7 |
| #2 | Nakayama Shigekazu | 3 |
| #3 | Shigekazu Nakayama | 2 |
| #4 | Taniguchi Junichi | 2 |
| #5 | Junichi Taniguchi | 2 |
| #6 | Nakayama S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2004109521A1 | Copy prevention program, computer-readable recording medium containing the program, and copy prevention system | |
| AU2003302346A1 | Call connection system | |
| AU2003235392A1 | Information enquiry communication method and system thereof | |
| EP1387280A1 | Method for preventing unauthorized copy application program execution, its program, its program recording apparatus, and its program recording medium |