| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Canada | 3 | |
| #3 | China | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Israel | 3 | |
| #6 | WIPO (World Intellectual Property Organization) | 3 | |
| #7 | United States | 2 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Digital networks | |
| #2 | IT methods for management | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Digital information transmission | |
| #2 | Data processing systems | |
| #3 | Coin-freed |
| # | Name | Total Patents |
|---|---|---|
| #1 | Baba Yoshimi | 16 |
| #2 | Yoshimi Baba | 2 |
| Publication | Filing date | Title |
|---|---|---|
| AU1810597A | Electronic commerce system | |
| WO9731449A1 | Communication method using common cryptographic key |