Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699197 | Microscope with a condenser lens system having a tapered portion | — | 1997-12-16 |
| 5687416 | Photographic apparatus with selectable photometric optical systems | Chikaya Iko | 1997-11-11 |
| 5657166 | Condenser lens system for use in a microscope | — | 1997-08-12 |