Issued Patents 2004
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831764 | Light scanning device and image forming apparatus using the same | Hidekazu Shimomura, Hiroshi Sato, Keiichiro Ishihara | 2004-12-14 |
| 6825870 | Scanning optical apparatus with reduced wave aberration | — | 2004-11-30 |
| 6822666 | Multibeam scanning optical apparatus and color image-forming apparatus | — | 2004-11-23 |
| 6816293 | Scanning optical device and image forming apparatus | — | 2004-11-09 |
| 6803942 | Light scanning device and image forming apparatus using the same | Hiroshi Sato, Hidekazu Shimomura, Keiichiro Ishihara | 2004-10-12 |
| 6793137 | Optical scanner and image forming apparatus | — | 2004-09-21 |
| 6774924 | Scanning optical device with single lens scanning optical element | Hiroshi Sato, Hidekazu Shimomura, Keiichiro Ishihara | 2004-08-10 |
| 6759344 | Method for forming low dielectric constant interlayer insulation film | Nobuo Matsuki, Yoshinori Morisada, Atsuki Fukazawa | 2004-07-06 |
| 6757004 | Scanning optical device and image forming apparatus using the same | — | 2004-06-29 |
| 6724534 | Diffractive optical element and scanning optical apparatus using the same | — | 2004-04-20 |
| 6683707 | Scanning optical apparatus and image forming apparatus using the same | Keiichiro Ishihara, Hiroshi Sato, Hidekazu Shimomura | 2004-01-27 |