Issued Patents All Time
Showing 51–75 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 6657761 | Optical scanning device, image forming apparatus, and optical scanning method | Kenichi Takanashi | 2003-12-02 |
| 6606179 | 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 | 2003-08-12 |
| 6596985 | Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus | Kohji Sakai, Hiromichi Atsuumi, Akihisa Itabashi | 2003-07-22 |
| 6509995 | 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 | 2003-01-21 |
| 6448998 | Scanning and imaging lens, optical scanning device and image forming apparatus | Magane Aoki, Hiromichi Atsuumi, Kohji Sakai | 2002-09-10 |
| 6430475 | Pressure-distribution sensor for controlling multi-jointed nursing robot | Osamu Okamoto, Teruomi Nakaya, Heihachiro Kamimura, Isao Yamaguchi, Kazuyoshi Yabuuchi +5 more | 2002-08-06 |
| 6417509 | Optical scanning apparatus and image forming apparatus | Hiromichi Atsuumi | 2002-07-09 |
| 6400391 | Optical scanning lens, optical scanning device and image forming apparatus | Hiroyuki Suhara, Satoru Itoh, Tatsuya Ito, Takeshi Ueda, Yoshinori Hayashi +5 more | 2002-06-04 |
| 6388792 | Optical scanning device and image forming apparatus | Hiromichi Atsuumi, Magane Aoki, Kohji Sakai | 2002-05-14 |
| 6384949 | Optical scanning device, image forming apparatus and optical scanning method | — | 2002-05-07 |
| 6359717 | Optical scanning apparatus and scanning image forming lens | Magane Aoki, Kobji Sakai | 2002-03-19 |
| 6347004 | Optical scanning apparatus and scanning image forming lens | Magane Aoki, Kohji Sakai | 2002-02-12 |
| 6256133 | Optical scanning apparatus | Magane Aoki, Kohji Sakai | 2001-07-03 |
| 6233081 | Optical scanning device, image forming apparatus and optical scanning method | Taira Kouchiwa, Kenichi Takanashi | 2001-05-15 |
| 6222662 | Optical scanning device and a scanning lens therefor | Yoshinori Hayashi, Kouji Masuda | 2001-04-24 |
| 6141133 | Optical scanning device and a scanning lens therefor | Yoshinori Hayashi, Kouji Masuda | 2000-10-31 |
| 6104522 | Optical scanning apparatus with controlled sag and ghost | Yoshinori Hayashi | 2000-08-15 |