Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836347 | Viewing optical system and image pickup optical system and apparatus using the same | Takahiro Amanai, Masachika Watanabe | 2004-12-28 |
| 6822770 | Observation optical system and photographing optical system and apparatus using the same | — | 2004-11-23 |
| 6822806 | Imaging optical system and optical apparatus using the same | Yoshimasa Suzuki | 2004-11-23 |
| 6801347 | Observation optical system using volume hologram | Tohru Nakamura | 2004-10-05 |
| 6775071 | Image forming optical system and optical device using the same | Yoshimasa Suzuki | 2004-08-10 |
| 6710902 | Observation optical system | — | 2004-03-23 |
| 6704128 | Optical system and device using the same | Yasuyuki Ohyagi | 2004-03-09 |
| 6687029 | Viewing optical system and image pickup optical system and apparatus using the same | Takahiro Amanai, Masachika Watanabe | 2004-02-03 |