Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508759 | Visual axis detection apparatus | Kazuki Konishi, Yasuo Suda | 1996-04-16 |
| 5486892 | Camera with visual axis detecting device | Kenji Suzuki, Akira Ishizaki, Keiji Ohtaka, Yasuo Suda, Hidehiko Fukahori +2 more | 1996-01-23 |
| 5485241 | Optical equipment with device for detecting direction of visual axis | Yoshiaki Irie, Akira Yamada | 1996-01-16 |
| 5473403 | Camera having a multi-point focus detecting device | Yasuo Suda, Akira Yamada | 1995-12-05 |
| 5422700 | Camera in which focus is detected to a plurality of viewfields within a observation block which is selected by visual axis detecting means | Yasuo Suda, Kazuki Konishi | 1995-06-06 |
| 5386258 | Optical apparatus having a visual axis direction detecting device | — | 1995-01-31 |
| 5298927 | Visual axis detecor having a high sensitivity to a light from an eye | Kazuki Konishi | 1994-03-29 |
| 5280312 | Visual axis detection apparatus | Akira Yamada, Kazuki Konishi | 1994-01-18 |
| 5253008 | Camera | Kazuki Konishi, Tokuichi Tsunekawa | 1993-10-12 |
| 5245371 | Camera provided with a visual axis direction detecting portion | Akira Yamada, Kazuki Konishi | 1993-09-14 |
| 5225862 | Visual axis detector using plural reflected image of a light source | Kazuki Konishi, Tokuichi Tsunekawa | 1993-07-06 |
| 5214466 | Camera having visual axis detecting apparatus | Kazuki Konishi, Akira Yamada, Yasuo Suda | 1993-05-25 |
| 5182443 | Optical apparatus having visual axis detector and determining whether eyeglasses are worn | Yasuo Suda, Kazuki Konishi | 1993-01-26 |
| 5148302 | Optical modulation element having two-dimensional phase type diffraction grating | Etsuro Kishi, Ryoji Fujiwara, Yukitoshi Ohkubo, Michiyo Nishimura, Hajime Sakata +2 more | 1992-09-15 |
| 5138359 | Focus detecting apparatus in which matching with the image performance of an objective lens is achieved | Kazuki Konishi, Hiromi Someya, Tokuichi Tsunekawa | 1992-08-11 |
| 5128705 | Focus adjusting control device | Hiromi Someya, Kazuki Konishi, Tokuichi Tsunekawa | 1992-07-07 |
| 5036347 | Visual line detecting device and camera having the same | Tokuichi Tsunekawa, Kazuki Konishi | 1991-07-30 |
| 4850681 | Optical modulation device | Masao Yamanobe, Yasuyuki Watanabe, Hajime Sakata, Yukitoshi Ohkubo, Tomoyuki Umezawa +5 more | 1989-07-25 |
| 4586802 | Camera capable of special effects photography | Kiyoshi Iizuka | 1986-05-06 |