Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9703178 | Projector having a rod integrator with an entrance plane smaller than an area light source | Masakazu Tohara | 2017-07-11 |
| 9274405 | Projector with illumination system having a cuboid optical member | Masakazu Tohara | 2016-03-01 |
| 8520115 | Image processing apparatus and method for displaying an image to an observer | — | 2013-08-27 |
| 8418516 | Manufacturing method for optical element | Keiichiro Ishihara | 2013-04-16 |
| 8363328 | Liquid lens | Minoru Tsuji, Yoshihiro Saito | 2013-01-29 |
| 8358456 | Scanning image projection apparatus | Keiichiro Ishihara | 2013-01-22 |
| 8355209 | Liquid lens | Minoru Tsuji, Yoshihiro Saito | 2013-01-15 |
| 8035678 | Light scanning apparatus and scanning type image display apparatus | Keiichiro Ishihara | 2011-10-11 |
| 7988299 | Handy image projection apparatus | — | 2011-08-02 |
| 7894114 | Optical deflector having tapered aperture stop, light scanning apparatus and scanning type image display apparatus using same | Keiichiro Ishihara | 2011-02-22 |
| 7649662 | Optical scanning apparatus and image displaying apparatus having the same, wherein a light beam having entered a housing from a first optical member enters a scanning mirror without transmitting through a transmission-type optical element, the light beam deflected by the scanning mirror enters a second optical member without transmitting through a transmission-type optical element | Akira Yamamoto, Keiichiro Ishihara | 2010-01-19 |
| 7609229 | Image displaying apparatus | — | 2009-10-27 |
| 7573626 | Optical scanner and image display apparatus having the same | — | 2009-08-11 |
| 7529045 | Optical element and optical apparatus having the optical element | — | 2009-05-05 |
| 7453613 | Scanning type image forming apparatus having the same containing scanning mirror in a space sealed by first and second optical members and the housing, the second optical member includes five surfaces | Akira Yamamoto, Keiichiro Ishihara | 2008-11-18 |
| 7414791 | Eye detection apparatus and image display apparatus | Yoshihiroi Saito, Akinari Takagi | 2008-08-19 |
| RE40438 | Mounting unit for head mounted apparatus and head mounting apparatus | Yoshihiro Saito | 2008-07-22 |
| 6978478 | Mounting unit for head mounted apparatus and head mounting apparatus | Yoshihiro Saito | 2005-12-27 |