Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696581 | Lens evaluating device | Michio Oka | 1997-12-09 |
| 5638168 | Lens evaluating device | Michio Oka | 1997-06-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696581 | Lens evaluating device | Michio Oka | 1997-12-09 |
| 5638168 | Lens evaluating device | Michio Oka | 1997-06-10 |