Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9639596 | Processing data in a data warehouse | Iliyana Ivanova, Christoph Lingenfelder, Christoph Sieb | 2017-05-02 |
| 9235633 | Processing data in a data warehouse | Iliyana Ivanova, Christoph Lingenfelder, Christoph Sieb | 2016-01-12 |