Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832465 | Zoom lens for use in copying | Yasunori Arai | 1989-05-23 |
| 4825252 | Color zoom copying apparatus | Minoru Suzuki | 1989-04-25 |
| 4813773 | Copying zoom lens | — | 1989-03-21 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832465 | Zoom lens for use in copying | Yasunori Arai | 1989-05-23 |
| 4825252 | Color zoom copying apparatus | Minoru Suzuki | 1989-04-25 |
| 4813773 | Copying zoom lens | — | 1989-03-21 |