Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6870580 | Illumination optical system having a mirror with a curved surface having rotational symmetry about a predetermined axis | — | 2005-03-22 |
| 6853363 | Projection type image display apparatus | Yasuyuki Miyata | 2005-02-08 |
| 6840624 | Polarized beam splitter and projection-type image display using it | Kimiaki Nakazawa | 2005-01-11 |