Issued Patents All Time
Showing 1–25 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10216071 | Optical system and optical apparatus including the same | Makoto Takahashi, Junya Ichimura | 2019-02-26 |
| 8958161 | Zoom lens and projector using the same | Yusuke Akiyama | 2015-02-17 |
| 8891174 | Zoom lens and projector using the same | Yusuke Akiyama | 2014-11-18 |
| 8573788 | Image projecting apparatus having an optical element shiftable in a direction having a component perpendicular to an optical axis | Kazuhiro Inoko, Makoto Takahashi | 2013-11-05 |
| 7826147 | Zoom lens and image projection apparatus | Junya Ichimura, Kazuhiro Inoko | 2010-11-02 |
| 6942347 | Color combining optical system, image projection optical system, and projection type image display apparatus | Atsushi Okuyama | 2005-09-13 |
| 6755538 | Projection-type image display device | — | 2004-06-29 |
| 6751020 | Stereoscopic image pickup system | — | 2004-06-15 |
| 6735018 | Eyepiece lens, objective lens, and optical apparatus having them | Hiroyuki Kodama | 2004-05-11 |
| 6686988 | Optical system, and stereoscopic image photographing apparatus having the same | — | 2004-02-03 |
| 6671101 | Color combining optical element, color separation optical element, and projection type display apparatus using them | — | 2003-12-30 |
| 6634755 | Illuminating device and projector | Atsushi Okuyama, Hiroyuki Kodama | 2003-10-21 |
| 6632004 | Lighting device | Yoshiharu Tenmyo, Takayuki Uchida, Nobuhisa Kojima | 2003-10-14 |
| 6633436 | Optical system, projection optical system, image projection apparatus having it, and image pickup apparatus | Ken Wada | 2003-10-14 |
| 6601957 | Projection-type image displaying device | — | 2003-08-05 |
| 6590714 | Color combining optical system and projection type display apparatus having the same | — | 2003-07-08 |
| 6563642 | Observation optical system and optical apparatus having the same | — | 2003-05-13 |
| 6508555 | Image projection system that enables almost complete superposition without any image shift in superposition projection of original images a plurality of image projection apparatuses | — | 2003-01-21 |
| 6476983 | Eyepiece lens, objective lens, and optical apparatus having them | Hiroyuki Kodama | 2002-11-05 |
| 6464362 | Illuminating apparatus | Atsushi Okuyama | 2002-10-15 |
| 6431727 | Illumination device for selectively compressing light from light sources and projection type display apparatus | Atsushi Okuyama | 2002-08-13 |
| 6414791 | Optical system for photographing a stereoscopic image, zoom lens and image pickup optical system | — | 2002-07-02 |
| 6414795 | Illumination apparatus | — | 2002-07-02 |
| 6363225 | Optical system for shooting a three-dimensional image and three-dimensional image shooting apparatus using the optical system | — | 2002-03-26 |
| 6344929 | Illumination apparatus and projection type display apparatus | — | 2002-02-05 |