Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6845847 | Lubrication system and its modification method | Masahiko Nakahara, Yoshio Murakami | 2005-01-25 |
| 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 |
| 6661494 | Monostable ferroelectric active matrix display | Hans-Rolf Dubal, Rainer Wingen | 2003-12-09 |
| 6605323 | Monostable ferroelectric active matrix display | Rainer Wingen, Barbara Hornung | 2003-08-12 |
| 6551668 | Monostable ferroelectric active matrix display | Rainer Wingen, Barbara Hornung | 2003-04-22 |
| 6482479 | Active matrix displays having high contrast values | Hans-Rolf Dubal, Rainer Wingen | 2002-11-19 |
| 6171519 | Ferroelectric liquid crystal mixture | Ayako Takeichi, Li Ji, Kazuya Nagao, Rainer Wingen, Javier Manero +2 more | 2001-01-09 |
| 6022492 | Difluorophenyl pyrimidyl pyridine derivatives and the use thereof in liquid crystal mixtures | Ji Li, Ayako Takeichi, Barbara Hornung, Javier Manero, Wolfgang Schmidt +1 more | 2000-02-08 |
| 5880804 | Process for producing ferroelectric liquid crystal device | Hidemasa Yamaguchi, Kei Li, Ayako Takeichi | 1999-03-09 |
| 4902736 | One-part curing composition | Masashi Nakajima, Tatsuro Matsui, Noriaki Dokoshi | 1990-02-20 |