| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Telecommunications | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement | |
| #5 | Control |
| # | Technology | |
|---|---|---|
| #1 | Amplifiers | |
| #2 | Code conversion | |
| #3 | Resistors | |
| #4 | Alarm systems | |
| #5 | Telephonic communication | |
| #6 | Analysing materials | |
| #7 | Transmission | |
| #8 | Selecting | |
| #9 | Electric discharge tubes | |
| #10 | Transmission systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Habann Dr Erich | 3 |