Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856875 | Liquid-crystal display devices of twisted nematic type | Shyuichi Kozaki, Yozo Narutako | 1989-08-15 |
YI
Yukiko Ichimura
Overall (1989): #39,767 of 140,708Top 30%
1
Patents 1989