Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156521 | Projector for compensating chromatic aberration of magnification | Kazuhiro Nishida, Shuji Narimatsu | 2007-01-02 |
| 7011412 | Polarization converter, an illumination optical device having the polarization converter and projector | Yasunori Ogawa | 2006-03-14 |
| 6846079 | Polarization converter, illumination optical device having the polarization converter and projector | Yasunori Ogawa | 2005-01-25 |