Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856875 | Liquid-crystal display devices of twisted nematic type | Yukiko Ichimura, Yozo Narutako | 1989-08-15 |
SK
Shyuichi Kozaki
Overall (1989): #57,515 of 140,708Top 45%
1
Patents 1989