Issued Patents All Time
Showing 26–50 of 97 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6888590 | Optical elements (such as vari focal lens component, vari-focal diffractive optical element and variable declination prism) and electronic image pickup unit using optical elements | Koji Ishizaki, Masahiro Kaburaki | 2005-05-03 |
| 6865009 | Variable optical-property element | — | 2005-03-08 |
| 6839190 | Optical apparatus and imaging apparatus using the same | Dai Kawase, Masaaki Daigaku | 2005-01-04 |
| 6833938 | Variable hologram element, and optical device using the same | — | 2004-12-21 |
| 6833966 | Optical system, and optical apparatus | Eiji Yasuda, Kentaro Sekiyama, Tetsuo Nagata | 2004-12-21 |
| 6738199 | Variable optical-property element | — | 2004-05-18 |
| 6658208 | Focal-length adjusting unit for photographing apparatuses | Yoji Watanabe, Takeshi Nakane | 2003-12-02 |
| 6643833 | Method of localized placement manipulation without extra latency | Koji Ishizaki, Masahiro Kaburaki | 2003-11-04 |
| 6626532 | Vari-focal spectacles | Koji Ishizaki, Masahiro Kaburaki | 2003-09-30 |
| 6618209 | Optical apparatus | Tetsuhide Takeyama, Tetsuo Nagata, Kazuhito Hayakawa, Toshiyuki Nagaoka | 2003-09-09 |
| 6464363 | Variable mirror, optical apparatus and decentered optical system which include variable mirror, variable-optical characteristic optical element or combination thereof | Kenji Murakami, Kazunari Tokuda, Kazuhito Hayakawa | 2002-10-15 |
| 6437925 | Optical apparatus | — | 2002-08-20 |
| 6041154 | Image fiber and method of fabricating the same | Katsuya Ono, Masaru Shiraiwa | 2000-03-21 |
| 6025873 | Endoscope system provided with low-pass filter for moire removal | Naoki Hasegawa, Katsuya Ono, Yutaka Tatsuno | 2000-02-15 |
| 5784098 | Apparatus for measuring three-dimensional configurations | Hideyuki Shoji, Shinichiro Hattori, Masahide Kanno, Yasushi Namii, Masaru Shiraiwa +2 more | 1998-07-21 |
| 5608835 | Image fiber with reduced flare | Katsuya Ono | 1997-03-04 |
| 5598205 | Imaging apparatus | — | 1997-01-28 |
| 5555129 | Optical low pass filter | Mitsujiro Konno, Katsuya Ono, Yoshiharu Takasugi, Shinya Matsumoto | 1996-09-10 |
| 5479550 | Image fiber | Katsuya Ono, Masaru Shiraiwa | 1995-12-26 |
| 5450243 | Imaging system having a blurring optical element for minimizing moire phenomenon | — | 1995-09-12 |
| 5436767 | Objective lens system for endoscopes | Takayuki Suzuki, Susumu Takahashi | 1995-07-25 |
| 5392067 | TV system for endoscopes | Mitsujiro Konno, Yoshiharu Takasugi, Katsuya Ono | 1995-02-21 |
| 5331457 | Stereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changed | Toyoharu Hanzawa, Yoshihiro Kawano, Masaaki Yamagishi | 1994-07-19 |
| 5305147 | Eyepiece lens system for endoscopes | Akira Hasegawa, Tsutomu Igarashi, Shinichi Nakamura | 1994-04-19 |
| RE34411 | Electronic image pickup device for endoscopes | Hisao Yabe | 1993-10-19 |