Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311343 | Liquid crystal device with at least two liquid crystal compounds, one having and one not having a chiral smectic phase | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1994-05-10 |
| 5301049 | Liquid crystal device with at least two liquid crystal compounds, one having one not having a cholesteric phase | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1994-04-05 |
| 5296953 | Driving method for ferro-electric liquid crystal optical modulation device | Kazuharu Katagiri | 1994-03-22 |