Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5835258 | Device for amplification of amplitude modulation ratio of an optical beam | Michel Papuchon, Dominique Delacourt | 1998-11-10 |
| 5311221 | Electromagnetic wave modulator equipped with coupled quantal wells, and application to an electromagnetic wave detector | Claude Weisbuch, Borge Vinter, Julien Nagle, Michel Papuchon, Jean-Paul Pocholle +1 more | 1994-05-10 |
| 4775206 | Separation structure, optical switching element including such structures and optical switching matrix constituted by these switching elements | Marko Erman, Jean-Bernard Theeten | 1988-10-04 |
| 4773721 | Optical switching element between two light wave guides and optical switching matrix constituted by these switching elements | Marko Erman, Jean-Bernard Theeten | 1988-09-27 |
| 4708423 | Optical wave guides and coupling member monolithically integrated on a semiconductor substrate | Marko Erman, Jean-Bernard Theeten | 1987-11-24 |
| 4652077 | Semiconductor device comprising a light wave guide | Marko Erman, Jean-Bernard Theeten | 1987-03-24 |