Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694254 | Lens barrel with a rotational motion transmitting portion | Masatsune Tanaka | 1997-12-02 |
| 5694255 | Zoom lens barrel with rotating stop mechanism | Masatsune Tanaka | 1997-12-02 |