Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976166 | Optical system for image projection and image projection apparatus including a polarization beam splitting surface | Atsushi Okuyama, Yu Yamauchi, Ryota Kadowaki | 2011-07-12 |
| 7935920 | Illumination optical system including luminous flux conversion system | Yu Yamauchi, Atsushi Okuyama, Hiroyuki Kodama | 2011-05-03 |