Issued Patents All Time
Showing 51–75 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5754900 | Intra-viewfinder display device and optical apparatus | — | 1998-05-19 |
| 5734428 | Camera with superimpose display device | Jun Terashima, Masayuki Tanaka, Kazuyuki Nakagawa | 1998-03-31 |
| 5678097 | Focus detecting device | — | 1997-10-14 |
| 5598248 | Optical apparatus having visual point detection function | Akihiko Nagano, Kazuki Konishi | 1997-01-28 |
| 5583076 | Method for manufacturing a semiconductor photo-sensor | Tetsuo Yoshizawa, Akio Mihara, Hiromichi Yamashita, Ichiro Ohnuki, Keiji Ohtaka +2 more | 1996-12-10 |
| 5543886 | Focus state detection apparatus | — | 1996-08-06 |
| 5508759 | Visual axis detection apparatus | Kazuki Konishi, Akihiko Nagano | 1996-04-16 |
| 5486892 | Camera with visual axis detecting device | Kenji Suzuki, Akira Ishizaki, Keiji Ohtaka, Hidehiko Fukahori, Akihiko Nagano +2 more | 1996-01-23 |
| 5473403 | Camera having a multi-point focus detecting device | Akira Yamada, Akihiko Nagano | 1995-12-05 |
| 5459551 | Light emission device for focus detection having a chart and an illuminator | Kenji Suzuki, Takeshi Koyama, Keiji Ohtaka | 1995-10-17 |
| 5440367 | Focus detecting apparatus provided with a plurality of detection fields | — | 1995-08-08 |
| 5422700 | Camera in which focus is detected to a plurality of viewfields within a observation block which is selected by visual axis detecting means | Akihiko Nagano, Kazuki Konishi | 1995-06-06 |
| 5367153 | Apparatus for detecting the focus adjusting state of an objective lens by performing filter processing | Akira Yamada, Yukio Odaka, Akira Akashi | 1994-11-22 |
| 5305047 | Pattern projector having a multi-portion projection lens and camera comprising the same | Shingo Hayakawa, Takeshi Koyama | 1994-04-19 |
| 5262819 | Compact focus detecting device suitable for incorporation into an optical apparatus | Keiji Ohtaka, Takeshi Koyama | 1993-11-16 |
| 5258804 | Focus detection device having a mechanism for adjusting light-receiving state | — | 1993-11-02 |
| 5214466 | Camera having visual axis detecting apparatus | Akihiko Nagano, Kazuki Konishi, Akira Yamada | 1993-05-25 |
| 5182443 | Optical apparatus having visual axis detector and determining whether eyeglasses are worn | Akihiko Nagano, Kazuki Konishi | 1993-01-26 |
| 5182658 | Image pickup apparatus for controlling accumulation time in photoelectric elements | Akira Ishizaki, Kenji Suzuki, Keiji Ohtaka | 1993-01-26 |
| 5151583 | Focus adjustment device having restricting means for restricting a selecting action according to the degree of nearness of a distance measurement | Tatsuyuki Tokunaga, Keisuke Aoyama, Hidehiko Fukahori, Akira Akashi | 1992-09-29 |
| 5140359 | Multi-point distance measuring apparatus | Masaki Higashihara, Ichiro Ohnuki, Akira Akashi, Terutake Kadohara, Hidehiko Fukahori +1 more | 1992-08-18 |
| 5130740 | Camera | Shoji Kaihara, Shousuke Haraguchi | 1992-07-14 |
| 5109154 | Focus detection device having a plurality of means for forming light patterns provided at different distances from the optical axis | Masaki Higashihara, Keiji Ohtaka, Kenji Suzuki, Takeshi Koyama | 1992-04-28 |
| 5091742 | Camera having an auto focusing device | Hidehiko Fukahori, Kenji Itoh, Masaki Higashihara, Keisuke Aoyama | 1992-02-25 |
| 5053803 | Information display apparatus for camera | Kenji Ito, Keiji Ohtaka, Kenji Suzuki | 1991-10-01 |