Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703605 | Image display apparatus | Koichi Takahashi | 1997-12-30 |
| 5661603 | Image display apparatus including a first and second prism array | Kazunari Hanano, Seiichiro Tabata | 1997-08-26 |
| 5627679 | Optical systems making use of phase type fresnel zone plates | — | 1997-05-06 |