Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359269 | Variable power copying lens system | — | 1982-11-16 |
| 4333711 | Zoom lens for copying | Ryota Ogawa, Yasunori Arai | 1982-06-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359269 | Variable power copying lens system | — | 1982-11-16 |
| 4333711 | Zoom lens for copying | Ryota Ogawa, Yasunori Arai | 1982-06-08 |