Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813093 | Lens barrel | Tetsuya Takagi, Keita Takahashi | 2004-11-02 |
| 6751031 | Lens barrel capable of positioning lens frames with high precision | — | 2004-06-15 |
| 6747809 | Lens barrel | — | 2004-06-08 |