Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071965 | Projection optical system and projection-type image display apparatus | Jun Nishikawa | 2011-12-06 |
| 8066381 | Polarizing beam splitter, projection optical system, projection display | — | 2011-11-29 |