Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373380 | Ferroelectric liquid crystal display with liquid crystal mixtures having high spontaneous polarization and short helical pitch and alignment layers containing lipophilic or amphiphilic compounds | Takamasa Harada, Claus Escher, Gerd Illian, Anke Kaltbeitzel | 1994-12-13 |
| 5361152 | Process for producing ferroelectric liquid-crystal cells | Takamasa Harada, Claus Escher, Gerhard Illian, Dieter Ohlendorf, Heinz Rieger | 1994-11-01 |
| 5333075 | Ferroelectric liquid crystal mixtures containing lipohilizing, lipophilic or amphiphilic compounds for eliminating ionic impurities | Takamasa Harada, Claus Escher, Gerd Illian, Anke Kaltbeitzel | 1994-07-26 |