Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7613563 | Navigation service | Frank Haegebarth | 2009-11-03 |
| 7486950 | Telephone message forwarding method and device | — | 2009-02-03 |
| 6801684 | Optical switch fabric for individually switching optical paths for optical signals between input and output ports | — | 2004-10-05 |
| 6545259 | Optical wavelength monitor for a passive optical component | — | 2003-04-08 |
| 6282335 | Thermo-optical switch | Carl-Michael Weinert, Norbert Keil | 2001-08-28 |
| 5940568 | Planar optical waveguide, planar optical waveguide with Bragg grating, and method of fabricating such a planar optical waveguide | — | 1999-08-17 |
| 5054870 | Electro-optical multiple connection arrangement | Matjaz Florjancic | 1991-10-08 |
| 4839901 | Semiconductor laser with constant differential quantum efficiency or constant optical power output | Albrecht Mozer | 1989-06-13 |