Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638203 | Liquid crystal electrooptical device | Masaki Hasegawa, Fuminori Sai | 1997-06-10 |
| 5596430 | Distributed index light deflector and method of light deflection | Masaki Hasegawa | 1997-01-21 |