Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5999338 | Imaging lens | — | 1999-12-07 |
| 5966251 | Imaging lens | — | 1999-10-12 |
| 5933286 | Image forming lens | Hiroshi Yamada | 1999-08-03 |
| 5835288 | Imaging lens | Hiroshi Yamada | 1998-11-10 |