Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10249747 | Turn-off power semiconductor device with improved centering and fixing of a gate ring, and method for manufacturing the same | Hendrik Ravener, Tobias Wikström, Norbert M. Meier | 2019-04-02 |
| 4965017 | Liquid crystal devices | Paul A. Holmes, Alan Nevin, Jurgen Nehring | 1990-10-23 |
| 4705359 | Process and apparatus for the production of an orientation layer on a plane surface of a plate, and liquid crystal substrate plate produced thereby | Meinolph Kaufmann, Jurgen Nehring, Terry J. Scheffer | 1987-11-10 |
| 4697884 | Liquid crystal display having degree of twist and thickness for improved multiplexing | Dieter Heimgartner, Meinolph Kaufman, Terry J. Scheffer | 1987-10-06 |
| 4634229 | Liquid crystal display | Dieter Heimgartner, Meinolph Kaufmann, Terry J. Scheffer | 1987-01-06 |
| 4626073 | Liquid crystal display cell with elastic cell spacers | Meinolph Kaufmann | 1986-12-02 |
| 4608558 | Addressing method for a multiplexable, bistable liquid crystal display | Meinolph Kaufmann, Terry J. Scheffer | 1986-08-26 |