Issued Patents 2004
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833940 | Method and apparatus for optical scanning capable of performing a high speed and high pixel density scanning | Kenichi Takanashi | 2004-12-21 |
| 6829104 | Resin-made non-spherical optical element, optical scanning device using the optical element, and image forming apparatus using the optical scanning device | Hiromichi Atsuumi | 2004-12-07 |
| 6813051 | Optical scanner and image forming apparatus | Naoki Miyatake, Shigeaki Imai | 2004-11-02 |
| 6800845 | Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus | Kohji Sakai, Hiromichi Atsuumi, Akihisa Itabashi | 2004-10-05 |
| 6801351 | Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus | Magane Aoki, Hiromichi Atsuumi, Kohji Sakai | 2004-10-05 |
| 6791729 | Adjusting imaging position of optical beam spot in main and sub-scanning directions by individually and/or collectively adjusting position(s) of temperature-compensating lens(es) | Hiromichi Atsuumi | 2004-09-14 |
| 6788444 | Method and apparatus for optical scanning capable of reducing a dot position displacement and a dot diameter variation | Junichi Yazawa, Yoshinori Hayashi, Masahiro Soeda | 2004-09-07 |
| 6785028 | Optical scanning device having a temperature compensation unit | Hiromichi Atsuumi, Satoru Itoh | 2004-08-31 |
| 6781729 | Optical scanning system with unvarying image surface under environmental temperature change | Hiromichi Atsuumi, Kohji Sakai | 2004-08-24 |
| 6771407 | Optical scanner and image formation apparatus | Yoshinori Hayashi, Atsushi Kawamura, Hiromichi Atsuumi, Kohji Sakai, Akihisa Itabashi | 2004-08-03 |
| 6744545 | Optical scanning lens, optical scanning device and image forming apparatus | Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Yoshinori Hayashi +5 more | 2004-06-01 |