Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5240550 | Method of forming at least one groove in a substrate layer | Ralf Boehnke, Gert Rabe | 1993-08-31 |
| 5058971 | Planar optical isolator | Hans-Jürgen Schmitt, Jurgen Seidenberg, Norbert Thorweihe, Volker Doormann, Jens-Peter Krumme | 1991-10-22 |
| 5029243 | Device for working a workpiece using laser light | Gert Rabe, Paul Patt, Christian H. F. Velzel, Klaus B. Schildbach | 1991-07-02 |
| 4859014 | Non-reciprocal optical waveguide device, particularly for use as an isolator or circulator | Hans-Jürgen Schmitt | 1989-08-22 |
| 4859013 | Magneto-optical waveguide device with artificial optical anisotropy | Hans-Jürgen Schmitt, Gunter Schmitz | 1989-08-22 |
| 4798434 | Optical polarization regulator having a wave-guide structure | Elke B. Pross, Gert Rabe, Wolfgang F. M. Tolksdorf, Manfred Zinke | 1989-01-17 |
| 4776669 | Optical path sensor including a filter | Reiner U. Orlowski | 1988-10-11 |
| 4748614 | Optical wavelength-multiplexing and/or demultiplexing device | Ulrich Killat, Gert Rabe | 1988-05-31 |
| 4746182 | Phase-matched magnetooptical mode converter | Elke B. Pross, Gert Rabe, Wolfgang F. M. Tolksdorf, Manfred Zinke | 1988-05-24 |
| 4712855 | Planar optical waveguide and method of manufacturing same | Wolfgang F. M. Tolksdorf, Inske E. H. Bartels, Claus-Peter Klages, Elke B. Pross | 1987-12-15 |
| 4679901 | Compound optical phase grating and optical switch | Heinrich Kurz | 1987-07-14 |
| 4626069 | Optical power divider | Ulrich Killat | 1986-12-02 |
| 4362359 | Coupling device for coupling signals into and out of a transmission glass-fiber | Ulrich Killat | 1982-12-07 |
| 4277138 | Diffraction grating and system for the formation of color components | — | 1981-07-07 |