| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United States | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Japan | 2 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Audio-visual technology | |
| #4 | Basic communication technologies | |
| #5 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Electric motor controls | |
| #3 | Casings and printed circuits | |
| #4 | Hybrid computing arrangements | |
| #5 | Code conversion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Petsch Johann | 7 |
| #2 | Kohn Eric F | 3 |
| #3 | Eriku Efu Koon | 1 |
| #4 | Yohan Betsuchiyu | 1 |
| #5 | Barker Horace A | 1 |
| #6 | Yohan Petsuchiyu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3147731A1 | "DIGITAL CURRENT CONTROL CIRCUIT" | |
| DE3131574A1 | "CURRENT CONTROL CIRCUIT FOR A CONSUMER CONTROLLED BY A POWER DRIVE STAGE" | |
| US4410953A | Angle comparison device | |
| DE3031287A1 | TRANSISTOR CONTROL UNIT FOR A SERVOMOTOR |