| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications | |
| #3 | Measurement | |
| #4 | Electrical machinery and energy | |
| #5 | Digital networks | |
| #6 | Foods and drinks |
| # | Technology | |
|---|---|---|
| #1 | Amplifiers | |
| #2 | Generation of oscillations | |
| #3 | Radio navigation | |
| #4 | Foods | |
| #5 | Transmission | |
| #6 | Digital information transmission | |
| #7 | Modulation | |
| #8 | Multiplex communication | |
| #9 | Spark gaps and corona devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schiessler Josef | 11 |