| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United States | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Control | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Electric digital data processing | |
| #2 | Teaching materials | |
| #3 | Games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Unsicker Andreas | 11 |
| Publication | Filing date | Title |
|---|---|---|
| DE102005049324A1 | Method for testing the accuracy of answers to quiz questions with a quiz calculator | |
| DE10153307A1 | Quiz calculator with means to protect against manipulation of the clock frequency | |
| WO0231797A2 | Method for verifying answers input into a quiz computer | |
| DE10112322A1 | Method for encoding lottery or quiz entries at the point of sale of the entry with a quiz computer so that if necessary the entry can be authenticated if the entry wins, without use of expensive timer circuitry |