Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950808 | Project display apparatus having diffusion element for reducing speckle | Hayato Takeuchi | 2011-05-31 |
| 7872801 | Fresnel lens sheet, light-transmission screen, and projection image display apparatus | Hayato Takeuchi, Norihiro Watanabe, Yuzo Nakano, Takao Endo | 2011-01-18 |