| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Resonators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Martin Guenter | 9 |
| #2 | Wall Bert | 6 |
| #3 | Weihnacht Manfred | 2 |
| #4 | Weihnacht Volker | 2 |
| #5 | Kunze Reinhard | 2 |
| #6 | Siemroth Peter | 2 |
| #7 | Schmidt Hagen | 2 |
| #8 | Martin Gunter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6707229B1 | Surface acoustic wave filter |