Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9485679 | Apparatus and method for analyzing the quality of a cell in a mobile device network | Ralf Kreher, Martin Polak, Robert W. Froehlich | 2016-11-01 |
| 8811289 | S1-MME and LTE-Uu interface correlation in long term evolution networks | Aleksey G. Ivershen, Vignesh Janakiraman, Ralf Kreher, Julien Schnerrer, Martin Polak | 2014-08-19 |