Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10122977 | Projector including first and second optical systems | — | 2018-11-06 |
| 9712794 | Projector including image forming units and first and second optical systems | — | 2017-07-18 |
| 9575403 | Illumination optical system, projector, and projector system | — | 2017-02-21 |
| 7726819 | Structure for protecting a rod integrator having a light shield plate with an opening | — | 2010-06-01 |
| 6742898 | Projector device | — | 2004-06-01 |
| 6715880 | Projector device comprising a rod integrator having at least one notch or a protruded portion | — | 2004-04-06 |
| 6491398 | Video projector | Katsuyuki Takeuchi, Takayuki Matsumoto | 2002-12-10 |
| 6336724 | Projector device capable of obtaining a high luminance without increasing output of light source | Takayuki Matsumoto, Katsuyuki Takeuchi | 2002-01-08 |