Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824707 | Active matrix liquid crystal device and smectic liquid crystal mixture | Haruki Amakawa, Hans-Rolf Dubal, Rainer Wingen | 2004-11-30 |
| 6746731 | Ferroelectric active matrix displays with wide operating temperature range | Hans-Rolf Dubal, Rainer Wingen | 2004-06-08 |
| 6704086 | Monostable ferroelectric active-matrix display | Hans-Rolf Dubal, Rainer Wingen | 2004-03-09 |