Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946260 | Dual-frequency, dielectric anisotropy liquid crystal optical device | Maskatsu Higa, Hisashi Aoki | 1990-08-07 |
KF
Koh Fujumura
Overall (All Time): #3,908,643 of 4,157,543Top 95%
1
Patents All Time