Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6903777 | Lens shutter for digital still cameras | — | 2005-06-07 |
| 4273429 | Electric shutter device provided with an electric self-timer | Kenta Namioka | 1981-06-16 |
| 4258990 | Program type electric shutter provided with exposure warning indicating device | Kenta Namioka | 1981-03-31 |