Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7311404 | Optical projection apparatus and projection-type image displaying apparatus | — | 2007-12-25 |
| 7033031 | Optical system and projection type image display apparatus equipped with optical system | — | 2006-04-25 |
| 6799852 | Image display projector | Akira Sekiguchi | 2004-10-05 |
| 6568810 | Illumination optical system and projection display apparatus incorporating the same | — | 2003-05-27 |
| 6348993 | Method of manufacturing a translucent screen and rear projection display apparatus | — | 2002-02-19 |
| 6038070 | Transmission type screen with glossy permeable layer and method of manufacture | — | 2000-03-14 |
| 5582473 | Projection display apparatus | Eiichi Toide | 1996-12-10 |