Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836654 | Drive method for a dual-frequency, dielectric anisotropy liquid crystal optical device | Koh Fujimura, Hisashi Aoki | 1989-06-06 |
MH
Masakatsu Higa
Overall (1989): #81,235 of 140,708Top 60%
1
Patents 1989