Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197415 | Non-invasive heart monitoring apparatus and method | Patrick Harpes, Daniel Wagner, Pierre Plumer | 2012-06-12 |
| 5702639 | Use of complex ligands for ions in ferroelectric liquid-crystal mixtures | Claus Escher, Takamasa Harada, Gerhard Illian, Rainer Wingen | 1997-12-30 |
| 5702777 | Silane couplers containing cyclic structural elements as alignment films | Peter Wegener | 1997-12-30 |
| 5644016 | Maleimide copolymer as alignment layer for liquid-crystal displays | Horst Roschert, Peter Wegener | 1997-07-01 |
| 5445762 | Stabilized complex ligands and their use in liquid crystal displays | Javier Manero | 1995-08-29 |
| 5430564 | Process for producing ferroelectric liquid-crystal cells with oleophilic additive employing heat and low pressure overlapped a short time | Takamasa Harada, Claus Escher, Gerhard Illian, Dieter Ohlendorf, Heinz Rieger | 1995-07-04 |
| 5409635 | Alignment layers containing cyclic structural elements | Peter Wegener, Rainer Wingen | 1995-04-25 |
| 5405552 | Modified polysugar as the alignment layer for liquid-crystal displays | Dietmar Jungbauer, Javier Manero | 1995-04-11 |
| 5384168 | Ferroelectric liquid-crystal display of high contrast and brightness | Hans-Rolf Dubal, Takamasa Harada, Heinz Rieger, Peter Wegener | 1995-01-24 |
| 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 |
| 5250215 | Ferroelectric liquid-crystal mixtures containing mercapto compounds | Michael Magerstadt, Rainer Wingen | 1993-10-05 |
| 5206751 | Process for the production of an impact-resistant liquid crystal switching and display device | Claus Escher, Gerhard Illian, Takamasa Harada | 1993-04-27 |
| 5178792 | Macrocyclic compounds as component for ferroelectric liquid crystal mixtures | Takamasa Harada, Peter Wegener | 1993-01-12 |
| 5167856 | Ionophore-containing ferroelectric liquid crystal mixtures | Takamasa Harada, Rainer Wingen | 1992-12-01 |