Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007141 | Diffraction optical element, lighting device, and projector | Takayuki Matsubara | 2011-08-30 |
| 7972009 | Projector and projection unit | Taisuke Yamauchi, Takashi Takeda | 2011-07-05 |
| 7946708 | Display device that projects a virtual image display | Susumu Aruga, Takayuki Matsubara | 2011-05-24 |