Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671101 | Color combining optical element, color separation optical element, and projection type display apparatus using them | — | 2003-12-30 |
| 6634755 | Illuminating device and projector | Atsushi Okuyama, Hiroyuki Kodama | 2003-10-21 |
| 6632004 | Lighting device | Yoshiharu Tenmyo, Takayuki Uchida, Nobuhisa Kojima | 2003-10-14 |
| 6633436 | Optical system, projection optical system, image projection apparatus having it, and image pickup apparatus | Ken Wada | 2003-10-14 |
| 6601957 | Projection-type image displaying device | — | 2003-08-05 |
| 6590714 | Color combining optical system and projection type display apparatus having the same | — | 2003-07-08 |
| 6563642 | Observation optical system and optical apparatus having the same | — | 2003-05-13 |
| 6508555 | Image projection system that enables almost complete superposition without any image shift in superposition projection of original images a plurality of image projection apparatuses | — | 2003-01-21 |