Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246529 | Wide-angle zoom lens system | — | 2001-06-12 |
| 6221561 | Diffusion plate and method for manufacturing master die thereof | Hiroshi Kuboya, Toshiharu Takahashi, Makoto Iki, Moriyasu Shirayanagi, Koichi Maruyama +1 more | 2001-04-24 |
| 6188845 | Multipoint focus detecting apparatus | — | 2001-02-13 |
| 6188846 | Optical system for focus detecting device | — | 2001-02-13 |
| 6137963 | View finder device | Tahei Morisawa, Makoto Mogamiya, Sachio Hasushita, Tetsuya Abe | 2000-10-24 |
| 6128444 | Multipoint focus detecting apparatus | — | 2000-10-03 |
| 6041186 | Finder system | — | 2000-03-21 |
| 5965327 | Method for manufacturing a master die for a diffusion plate and diffusion manufactured by said method | Hiroshi Kuboya, Toshiharu Takahashi, Makoto Iki, Moriyasu Shirayanagi, Koichi Maruyama +1 more | 1999-10-12 |
| 5940635 | Focus detection optical system in a single lens reflex camera | — | 1999-08-17 |
| 5877892 | Focus detecting apparatus for a telescope system | Satoru Nakamura, Shinichi Suzuki, Takayuki Ito, Hirofumi Matsuo, Tatsuo Gotoh +1 more | 1999-03-02 |
| 5870637 | Auxiliary light emitting device and focusing condition detecting device | — | 1999-02-09 |
| 5796517 | Inner focus type telescope | Takayuki Ito, Hirofumi Matsuo, Satoru Nakamura, Tatsuo Goto, Yasuo Nakamura | 1998-08-18 |
| 5786942 | Zoom lens and aspherical lens | Kazunori Komori | 1998-07-28 |
| 5752099 | Optical unit for detecting a focus state | Tatsuhide Takebayashi | 1998-05-12 |
| 5748384 | Zoom lens | — | 1998-05-05 |
| 5733710 | Method for manufacturing a master die for a diffusion plate and diffusion plate manufactured by said method | Hiroshi Kuboya, Toshiharu Takahashi, Makoto Iki, Moriyasu Shirayanagi, Koichi Maruyama +1 more | 1998-03-31 |
| 5646393 | Focus detecting apparatus including ray orientation changes | — | 1997-07-08 |
| 5602616 | Exposure control apparatus of camera | Osamu Sato, Satoshi Nakano, Isamu Hirai, Toshiyuki Kitazawa, Masato Yamamoto +4 more | 1997-02-11 |
| 5568323 | Zoom lens | — | 1996-10-22 |
| 5541701 | Eye direction detecting apparatus of camera view finder | — | 1996-07-30 |
| 5530236 | Focus detecting apparatus with particular arrangement of light receiving portions | — | 1996-06-25 |
| 5497229 | Photometering apparatus having a split light receiving device | Chikara Yamamoto | 1996-03-05 |
| 5485242 | Exposure control apparatus of camera | Osamu Sato, Satoshi Nakano, Isamu Hirai, Toshiyuki Kitazawa, Masato Yamamoto +3 more | 1996-01-16 |
| 5420438 | Focus detecting apparatus including movement of detecting zones | Tatsuhide Takebayashi | 1995-05-30 |
| 5397887 | Focus detection apparatus having multiple detecting zones | — | 1995-03-14 |