Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7362783 | Optical frequency mixing | Stefan Spiekermann, Håkan Karlsson | 2008-04-22 |
| 7269189 | Coherent light source based on sum-frequency mixing | Sandra Johansson, Stefan Spiekermann, Shunhua Wang, Valdas Pasiskevicius, Fredrik Laurell +1 more | 2007-09-11 |