Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034435 | Plastic film with a multilayered interference coating | Andreas Zimmermann, Fumio Kita, Anette Berni, Martin Mennig, Peter W. Oliveira +1 more | 2011-10-11 |
| 7473521 | Composite mask for producing a diffuser | Fumio Kita, Andreas Zimmermann, Andreas Altherr, Martin Mennig, Peter W. Oliveira +1 more | 2009-01-06 |
| 7473721 | Nanocomposite material for the production of index of refraction gradient films | Fumio Kita, Andreas Zimmermann, Ulrike Dellwo, Martin Mennig, Peter W. Oliveira +2 more | 2009-01-06 |
| 7154672 | Optical film having controlled scattering/transmitting characteristics | — | 2006-12-26 |
| 6602604 | Coating composition | Minoru Kurisaki, Katsuyuki Sakamoto, Junichi Fukuzawa | 2003-08-05 |
| 6372403 | Photosensitive resin composition | Minoru Kurisaki, Takanori Kudo, Takashi Takeda, Junichi Fukuzawa | 2002-04-16 |
| RE37333 | Ferroelectric liquid crystal display device having an A.C. holding voltage | Masaaki Taguchi, Koji Iwasa | 2001-08-21 |
| 5795629 | Liquid crystal alignment layer and liquid crystal display device | Hidemasa Yamaguchi, Fumie Nozawa, Masami Ubukata, Haruhiko Itoh | 1998-08-18 |
| 5744203 | Alignment layer for liquid crystals | Fumie Nozawa, Masami Ubukata, Haruhiko Itoh | 1998-04-28 |
| 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 |
| 5430564 | Process for producing ferroelectric liquid-crystal cells with oleophilic additive employing heat and low pressure overlapped a short time | Claus Escher, Gerhard Illian, Dieter Ohlendorf, Heinz Rieger, Norbert Rosch | 1995-07-04 |
| 5408347 | Polyester based liquid-crystal display device | Mikio Murakami | 1995-04-18 |
| 5407599 | Cyclopropylaklyl or -alkenyl or heterocyclic compounds, process for their preparation and their use in liquid-crystalline mixtures | Armin de Meijere, Hans-Rolf Dubal, Claus Escher, Wolfgang Hemmerling, Ingrid Muller +4 more | 1995-04-18 |
| 5384168 | Ferroelectric liquid-crystal display of high contrast and brightness | Hans-Rolf Dubal, Heinz Rieger, Norbert Rosch, Peter Wegener | 1995-01-24 |
| 5378394 | Ferroelectric liquid-crystalline mixtures | Hans-Rolf Dubal, Claus Escher, Wolfgang Hemmerling, Gerhard Illian, Ingrid Muller +3 more | 1995-01-03 |
| 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 | Claus Escher, Gerd Illian, Anke Kaltbeitzel, Norbert Rosch | 1994-12-13 |
| 5366657 | Geminal dimethylalkyl compounds, process for their preparation and their use in liquid-crystalline mixtures | Gerhard Illian, Ingrid Muller | 1994-11-22 |
| 5360576 | Chiral alkenylaryl 2,3-epoxyalkyl ethers, and the use thereof in liquid-crystalline mixtures | Karsten Blatter, Claus Escher, Peter Harnischfeger, Wolfgang Hemmerling | 1994-11-01 |
| 5361152 | Process for producing ferroelectric liquid-crystal cells | Claus Escher, Gerhard Illian, Dieter Ohlendorf, Heinz Rieger, Norbert Rosch | 1994-11-01 |
| 5353136 | Ferroelectric liquid crystal with positive dielectric anisotropy, chevron structure and grey scale | Claus Escher, Hans-Rolf Dubal, Gerhard Illian, Mikio Murakami, Dieter Ohlendorf | 1994-10-04 |
| 5333075 | Ferroelectric liquid crystal mixtures containing lipohilizing, lipophilic or amphiphilic compounds for eliminating ionic impurities | Claus Escher, Gerd Illian, Anke Kaltbeitzel, Norbert Rosch | 1994-07-26 |
| 5286409 | Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures | Hans-Rolf Dubal, Claus Escher, Wolfgang Hemmerling, Gerhard Illian, Ingrid Muller +3 more | 1994-02-15 |