Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480266 | Autofocus distance-measuring optical system | Masami Shirai, Ryota Ogawa, Shinichi Suzuki | 2002-11-12 |
| 6384944 | Integral transmitter-receiver optical communication apparatus | Tatsuo Gotoh, Yoichi Kojima, Masakazu Yamagata, Shunichiro Wakamiya | 2002-05-07 |