Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989937 | Light waveguide coupler having three or more gates and utilizing the beam splitter principle and the method for manufacture | Hans Mahlein | 1991-02-05 |
| 4973133 | Arrangement for coupling an optical fiber to a coupling window of a planarly integrated optical component and the method of manufacturing the arrangement | Richard Matz | 1990-11-27 |
| 4860294 | Integrated-optical arrangement for bidirectional optical message or signal transmission | Reinhard Maerz, Lothar Stoll | 1989-08-22 |
| 4776660 | Light diplexer of a communication system comprising three light connections | Hans Mahlein, Herbert Michel, Achim Reichelt | 1988-10-11 |
| 4772360 | Thin wall coke quenching container | Reinhold Beckmann, Gerhard Friebe, Klaus Genter, Guenter Hof | 1988-09-20 |
| 4747649 | Monolithically integrated WDM demultiplex module and method of manufacture of such module | Jochen Heinen, Hans Mahlein, Reinhard Marz, Manfred Plihal, Heinrich Schlotterer +1 more | 1988-05-31 |
| 4718055 | Wave-division multiplex component for an optical network comprising monomode transmission fibers | — | 1988-01-05 |
| 4682843 | Optical waveguide junction and method of making said junction | Hans Mahlein, Herbert Michel, Achim Reichelt | 1987-07-28 |
| 4656636 | Method for manufacturing of integrated DFB laser with coupled strip waveguide on a substrate | Markus-Christian Amann, Hans Mahlein, Bernhard Stegmueller, Wolfgang Thulke, Ulrich Wolff | 1987-04-07 |
| 4637682 | Branch connector for light waveguides | Hans Mahlein, Achim Reichelt | 1987-01-20 |
| 4589724 | Multiple branching light wave guide element | — | 1986-05-20 |
| 4590619 | Star coupler for local networks of optical communications system | — | 1986-05-20 |
| 4564260 | Optical waveguide branching unit and method of making same | Josef Dirmeyer, Norbert Odemar | 1986-01-14 |
| 4564755 | Transmission and reception device for a fiber-optical sensor system | Hans Mahlein | 1986-01-14 |
| 4540237 | Coupling element for coupling light into and out of an optical fiber | — | 1985-09-10 |
| 4498731 | Optical waveguide branch coupler and method of manufacturing | Romuald V. Tomkewitsch | 1985-02-12 |
| 4452507 | Fiber optical bypass switch | — | 1984-06-05 |
| 4441181 | Optical wavelength-division multiplex system | Hans Mahlein, Achim Reichelt | 1984-04-03 |
| 4439005 | Branching element for optical waveguides | — | 1984-03-27 |
| 4378143 | Device for coupling radiation into an optical waveguide | — | 1983-03-29 |
| 4351585 | Coupling element for an optical waveguide | Franz Auracher | 1982-09-28 |
| 4339170 | Optical device for frequency-selective distributing light and the process of producing the device | — | 1982-07-13 |
| 4339290 | Process for manufacturing a branch element | Achim Reichelt, Herbert Michel | 1982-07-13 |
| 4325605 | Branching element for monomode light waveguides and the method of manufacture | Franz Auracher | 1982-04-20 |
| 4317699 | Method for manufacture of branch element | Franz Auracher | 1982-03-02 |