Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599126 | Zoom lens system, imaging device and camera | — | 2009-10-06 |
| 7570435 | Zoom lens system, imaging device and camera | Keiki Yoshitsugu, Kyoichi Miyazaki | 2009-08-04 |
| 7532409 | Zoom lens system, imaging device and camera | — | 2009-05-12 |
| 7453648 | Zoom lens system, imaging device and camera | Keiki Yoshitsugu, Kyoichi Miyazaki | 2008-11-18 |
| 7374291 | Projection optical system and image display apparatus using same | — | 2008-05-20 |
| 7310191 | Zoom lens system, imaging device and camera | — | 2007-12-18 |
| 7130114 | Catoptric optical system | — | 2006-10-31 |
| 6991338 | Projection optical system, projection type image display apparatus, and image display system | Toshihiro Sunaga, Katsumi Kurematsu, Takayuki Ishii, Sawako Chatani | 2006-01-31 |
| 6984044 | Projection optical system, projection type image display apparatus, and image display system | Katsumi Kurematsu, Takayuki Ishii, Toshihiro Sunaga, Sawako Chatani | 2006-01-10 |
| 6951395 | Projection optical system, projection type image display apparatus, and image display system | Sawako Chatani, Katsumi Kurematsu, Takayuki Ishii, Toshihiro Sunaga | 2005-10-04 |
| 6607280 | Projection apparatus | Osamu Koyama | 2003-08-19 |