Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549188 | Ferroelectric liquid-crystal display with wide range of working temperatures | Ayako Takeichi, Hans-Rolf Dubal | 2003-04-15 |
| 6515163 | Hydrogenated phenanthrenes and their use in liquid-crystal mixture | Rainer Wingen, Wolfgang Schmidt | 2003-02-04 |
| 6495220 | Disubstituted phenanthrenes and their use in liquid-crystal mixtures | Hans-Rolf Dubal, Wolfgang Schmidt, Rainer Wingen | 2002-12-17 |
| 6491989 | Fluorinated naphthalene derivatives and their use in liquid crystal mixtures | Javier Manero, Wolfgang Schmidt | 2002-12-10 |
| 6485797 | 5-Arylindane derivatives and ferroelectric liquid crystal mixture containing same | Wolfgang Schmidt, Javier Manero, Rainer Wingen, Ayako Ogawa | 2002-11-26 |
| 6465060 | Tetrahydrothiophene derivatives, and their use in liquid-crystalline mixtures | Rainer Wingen, Wolfgang Schmidt | 2002-10-15 |
| 6436489 | Fluorine-containing benzothiazoles, and their use in liquid-crystalline mixtures | Rainer Wingen, Ayako Ogawa, Wolfgang Schmidt | 2002-08-20 |
| 6403172 | Benzothiophenes, and their use in liquid-crystalline mixtures | Rainer Wingen, Ayako Ogawa, Wolfgang Schmidt | 2002-06-11 |
| 6231786 | Fluorinated azoles, and their use in liquid-crystalline mixtures | Rainer Wingen, Ayako Ogawa, Wolfgang Schmidt | 2001-05-15 |
| 6171519 | Ferroelectric liquid crystal mixture | Toshiaki Nonaka, Ayako Takeichi, Li Ji, Kazuya Nagao, Rainer Wingen +2 more | 2001-01-09 |
| 6129958 | Chiral smectic liquid crystal mixture containing 1,2-difluoronaphthalenes | Wolfgang Schmidt, Javier Manero | 2000-10-10 |
| 6022492 | Difluorophenyl pyrimidyl pyridine derivatives and the use thereof in liquid crystal mixtures | Toshiaki Nonaka, Ji Li, Ayako Takeichi, Javier Manero, Wolfgang Schmidt +1 more | 2000-02-08 |
| 5776363 | Compounds having side chains with multiple methyl branches and their use in liquid-crystal mixtures | Rainer Wingen, Michael Morr, Detlef Lotzsch, Gerd Heppke | 1998-07-07 |
| 5702638 | Phenanthridine derivatives, and their use in liquid-crystalline mixtures | Rainer Wingen | 1997-12-30 |
| 5648021 | Phenanthrene derivatives and their use in liquid-crystalline mixtures | Rainer Wingen | 1997-07-15 |
| 5529718 | Smectic liquid-crystal mixture | Dietmar Jungbauer, Javier Manero | 1996-06-25 |
| 5443752 | Smectic liquid-crystal mixture | Dietmar Jungbauer, Javier Manero | 1995-08-22 |
| 5441668 | Smectic liquid-crystal mixture | Dietmar Jungbauer, Javier Manero | 1995-08-15 |