Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307187 | Liquid crystal element with higher resistivity in the encapsulation medium than in the liquid crystal | Koichiro Shirota, Kenji Sano | 1994-04-26 |
| 5303073 | Dispersion-type liquid crystal display element with oriented dichroic dye in the support media | Koichiro Shirota | 1994-04-12 |