Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6154255 | Mount shift apparatus of lens for CCTV camera | Minoru Itoh | 2000-11-28 |
| 6078442 | ND filter | Eijiroh Tada, Masakazu Yamagata, Shunichiro Wakamiya, Masayuki Arai, Toru Shikano | 2000-06-20 |
| 5668664 | Color separation prism assembly for C-mount camera | — | 1997-09-16 |
| 5602682 | Aberration correcting plate for interchangeable lens | Takayuki Ito, Hideto Machii | 1997-02-11 |
| 5160956 | Lens barrel with screw mount | Kenji Watanabe, Tetsuo Sekiguchi | 1992-11-03 |