| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 66 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Basic communication technologies | |
| #3 | Electrical machinery and energy | |
| #4 | Digital networks | |
| #5 | Control |
| # | Technology | |
|---|---|---|
| #1 | Selecting | |
| #2 | Transmission | |
| #3 | Pulse technique | |
| #4 | Telephonic communication | |
| #5 | Multiplex communication | |
| #6 | Electric switches | |
| #7 | Digital information transmission | |
| #8 | Systems for regulating electrical variables | |
| #9 | Resonators | |
| #10 | Waveguides |
| # | Name | Total Patents |
|---|---|---|
| #1 | Des Telephones Compagnie Indus | 29 |
| #2 | Claude Monin | 13 |
| #3 | Pierre Burstow | 10 |
| #4 | Etienne Alizon | 9 |
| #5 | Jacques Oswald | 6 |
| #6 | Henri Gardere | 2 |
| #7 | Charles Vasquez | 2 |
| #8 | Charles Vazquez | 2 |
| #9 | Jean Demartres | 1 |
| #10 | Albert Alexandre Rault Pierre | 1 |