Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370821 | Optically active compounds, liquid crystal compositions comprising said compounds, and liquid crystal optical modulators using said compositions | Koichi Matsumura, Mitsuru Kawada, Yoshitaka Uesugi, Yuka Sudo, Teruo Kitamura | 1994-12-06 |
| 5357357 | Liquid crystal display devices with organic thin film formed by compressing molecules on liquid surface and transferring to substrate by horizontal lifting | Shuji Imazeki, Yasushi Tomioka, Naoki Tanaka, Yoshio Taniguchi, Hideaki Kawakami +1 more | 1994-10-18 |
| 5328643 | Optically active compounds, liquid crystal composition containing said compounds, and liquid crystal optical modulator using said composition | Yuka Sudo, Teruo Kitamura, Koichi Matsumura, Mitsuru Kawada, Yoshihiro Sugihara | 1994-07-12 |
| 5313293 | Dot-matrix type display device | Jun-ichi Hirakata, Shuichi Ohara, Masato Isogai, Satoru Ogihara, Naoki Kikuchi | 1994-05-17 |
| 5291322 | Supertwisted, nematic liquid crystal display device with LC birefringence at least 0.2 and LC retardation at least 1 micrometer | Osamu Itoh, Jun-ichi Hirakata, Naoki Kikuchi | 1994-03-01 |