Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7301700 | Polarization beam splitter and optical system using the same, and image displaying apparatus, using the same | Kazuhiko Momoki | 2007-11-27 |
| 7236655 | Polarization element and optical device using polarization element | Kazuhiko Momoki | 2007-06-26 |
| 7155073 | Polarization element and optical device using polarization element | Kazuhiko Momoki | 2006-12-26 |
| 7116478 | Polarization beam splitter and optical system using the same, and image displaying apparatus, using the same | Kazuhiko Momoki | 2006-10-03 |
| 7071985 | Optical device and method for selecting object of focus | Hitoshi Onoda, Terutake Kadohara | 2006-07-04 |
| 6831706 | Projection image display apparatus | Masayuki Abe, Atsushi Okuyama | 2004-12-14 |
| 6594085 | Image display apparatus and optical system | Takashi Sudo | 2003-07-15 |
| 6577344 | Focus state detection apparatus with image sensing device controls | Terutake Kadohara, Yasuo Suda, Keiji Nagata, Kenichiro Yamashita | 2003-06-10 |
| 6506446 | Anti-fog coating material and method of preparing an anti-fog article | Tohru Yamamoto, Shigeo Yoshida, Hatsumi Ikari, Keiji Ikemori, Hideo Ukuda | 2003-01-14 |
| 6327430 | Camera having antifogging film | Keiji Ikemori, Hirokazu Ichiki | 2001-12-04 |
| 6306932 | Anti-fogging coating material, anti-fogging coating film and anti-fogging article | Tohru Yamamoto, Shigeo Yoshida, Hatsumi Ikari, Keiji Ikemori, Hideo Ukuda | 2001-10-23 |
| 6088537 | Focus detecting device | Yusuke Ohmura | 2000-07-11 |
| 6055376 | Observation optical system and optical apparatus having the same | Keiji Ikemori | 2000-04-25 |
| 6014524 | Camera with visual axis detecting device | Kenji Suzuki, Akira Ishizaki, Yasuo Suda, Hidehiko Fukahori, Akihiko Nagano +2 more | 2000-01-11 |
| 5912504 | Semiconductor photo-sensor and method for manufacturing the same | Tetsuo Yoshizawa, Akio Mihara, Hiromichi Yamashita, Ichiro Ohnuki, Yasuo Suda +2 more | 1999-06-15 |
| 5864721 | Focus detecting apparatus | Yasuo Suda, Keiji Nagata, Kenichiro Yamashita, Terutake Kadohara, Hitoshi Onoda | 1999-01-26 |
| 5839001 | Focus detecting apparatus | Yasuo Suda, Keiji Nagata, Kenichiro Yamashita, Terutake Kadohara, Hitoshi Onoda | 1998-11-17 |
| 5797049 | Focus detection device for objective lens | Yusuke Ohmura | 1998-08-18 |
| 5771413 | Focus detecting apparatus | Yasuo Suda, Keiji Nagata, Kenichiro Yamashita, Terutake Kadohara, Hitoshi Onoda | 1998-06-23 |
| 5729771 | Focus detecting apparatus and optical apparatus using it | — | 1998-03-17 |
| 5583076 | Method for manufacturing a semiconductor photo-sensor | Tetsuo Yoshizawa, Akio Mihara, Hiromichi Yamashita, Ichiro Ohnuki, Yasuo Suda +2 more | 1996-12-10 |
| 5486892 | Camera with visual axis detecting device | Kenji Suzuki, Akira Ishizaki, Yasuo Suda, Hidehiko Fukahori, Akihiko Nagano +2 more | 1996-01-23 |
| 5459551 | Light emission device for focus detection having a chart and an illuminator | Kenji Suzuki, Takeshi Koyama, Yasuo Suda | 1995-10-17 |
| 5262819 | Compact focus detecting device suitable for incorporation into an optical apparatus | Takeshi Koyama, Yasuo Suda | 1993-11-16 |
| 5182658 | Image pickup apparatus for controlling accumulation time in photoelectric elements | Akira Ishizaki, Kenji Suzuki, Yasuo Suda | 1993-01-26 |