Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025409 | Optical apparatus and projection display system | Nao Kawamura, Hideki Katsuragawa, Masayuki Shimizu, Takuya Hasegawa | 2011-09-27 |
| 7116498 | Projection optical system and image projection apparatus | Jun Nishikawa, Yasunori Kuratomi, Tetsuya Kita, Takaaki Iwaki | 2006-10-03 |
| 6184934 | Video signal processing apparatus and composite image adjustment method | — | 2001-02-06 |
| 5476314 | Video projecting apparatus for multi-stacking use | — | 1995-12-19 |
| 5422692 | Image projection system | — | 1995-06-06 |