Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702639 | Use of complex ligands for ions in ferroelectric liquid-crystal mixtures | Claus Escher, Gerhard Illian, Norbert Rosch, Rainer Wingen | 1997-12-30 |
| 5670084 | Alignment layer material for liquid crystal display devices | Haruhiko Itoh, Masami Ubukata, Fumie Nozawa | 1997-09-23 |
| 5656340 | Liquid crystal display device | Masami Ubukata, Haruhiko Itoh, Fumie Nozawa, Kazuya Nagao | 1997-08-12 |
| 5594575 | Ferroelectric liquid-crystal systems having three or more chiral additives with different signs of the helical twist in the cholesteric phase | Claus Escher, Hans-Rolf Dubal, Wolfgang Hemmerling, Gerhard Illian, Ingrid Muller +3 more | 1997-01-14 |