Top Inventors at Deutsche Telekom Ag 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hans-Joerg Kolbe | 8 |
| 2 | Thomas Haag | 7 |
| 3 | Axel Klatt | 6 |
| #4 | Reinhard Lauster | 5 |
| #5 | Carsten Michel | 3 |
| #6 | Eckard Bogenfeld | 3 |
| #7 | Karl-Heinz Nenner | 3 |
| #8 | Markus Amend | 3 |
| #9 | Wolfgang Hurst | 3 |
| #10 | Dieter Gludovacz | 2 |
| #11 | Kurt Bischinger | 2 |
| #12 | Adam Heiland | 1 |
| #13 | Bernd Weltermann | 1 |
| #14 | Claire Hilton | 1 |
| #15 | Daniel Hauenstein | 1 |
| #16 | David Lindero | 1 |
| #17 | Daniel Sayk | 1 |
| #18 | Dieter Busch | 1 |
| #19 | Gerhard Kadel | 1 |
| #20 | Jakob Belschner | 1 |
| #21 | Joerg Rass | 1 |
| #22 | John Tottingham | 1 |
| #23 | Markus Eggert | 1 |
| #24 | Mathias Kloth | 1 |
| #25 | Martin Pettersson | 1 |
| #26 | Mario Schulz | 1 |
| #27 | Michael Dupre | 1 |
| #28 | Mohamad Sbeiti | 1 |
| #29 | Olaf Zingler | 1 |
| #30 | Paul Arnold | 1 |
| #31 | Peter List | 1 |
| #32 | Philip Cornforth | 1 |
| #33 | Ruediger Jaensch | 1 |
| #34 | Savvas Argyropoulos | 1 |
| #35 | Uwe Janssen | 1 |
| #36 | Uwe Michel | 1 |
| #37 | Vasil Aleksiev | 1 |
| #38 | Walid Jerbi | 1 |
| #39 | Walter Kerndlmaier | 1 |