Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371556 | Spectacle type retina direct display apparatus | Seizi Sato | 1994-12-06 |
| 5343257 | Screen cover opening/closing device for television receiver | Fumio Kohno, Seizi Sato | 1994-08-30 |