Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8830288 | Optical scanning apparatus having an optical element with at least one of an incident or exit surface thereof that is decentered in a sub-scanning section and image forming apparatus therewith | — | 2014-09-09 |
| 8638473 | Method of manufacturing imaging optical elements and optical scanning apparatus using imaging optical elements manufactured by the method | — | 2014-01-28 |
| 8531738 | Optical scanning apparatus and image forming apparatus using the same | — | 2013-09-10 |
| 8462188 | Optical scanning apparatus and image forming apparatus using the same | — | 2013-06-11 |
| 8379313 | Optical scanning apparatus | — | 2013-02-19 |
| 7911669 | Optical scanning device and image forming apparatus using the same | — | 2011-03-22 |
| 7750931 | Optical scanning apparatus and image forming apparatus using the same | — | 2010-07-06 |
| 7679802 | Optical scanner configured so a principal ray of an incident beam from a light source to a deflector and a principal ray of a scanning beam from the deflector to a scanned surface travel on opposite sides of an optical axis of optical element(s) having transmissive surfaces both concave toward the deflector in sub-scanning section, and image forming apparatus using the same | — | 2010-03-16 |
| 7554709 | Optical scanning apparatus and image forming apparatus employing this apparatus | Ken Tanimura, Hiroshi Sato, Tokuji Takizawa | 2009-06-30 |
| 7548252 | Optical scanning apparatus and color image forming apparatus using the same | — | 2009-06-16 |
| 7542189 | Light scanning apparatus and image forming apparatus using the light scanning apparatus | Ken Tanimura, Tokuji Takizawa | 2009-06-02 |
| 7522324 | Optical scanning device and image forming apparatus using the same | — | 2009-04-21 |
| 7508563 | Optical scanning device and image forming apparatus using the same | — | 2009-03-24 |
| 7453616 | Optical scanner configured so a principal ray of an incident beam from a light source to a deflector and a principal ray of a scanning beam from the deflector to a scanned surface travel on same side (or opposite sides) of an optical axis of an optical element(s) having transmissive surfaces both convex (or both concave) toward the deflector in sub-scanning section respectively, and image forming apparatus using the same | — | 2008-11-18 |
| 7397590 | Optical scanning apparatus and image forming apparatus employing this apparatus | Ken Tanimura, Hiroshi Sato, Tokuji Takizawa | 2008-07-08 |
| 7391542 | Optical scanning apparatus, and image forming apparatus using the same | Ken Tanimura | 2008-06-24 |
| 7380720 | Optical scanning system and image forming apparatus using the same | — | 2008-06-03 |
| 7355771 | Optical scanning apparatus | Ken-ichi Tomita, Masaki Sato, Akihiro Fukutomi, Kazumi Kimura | 2008-04-08 |
| 7248279 | Optical scanning device and image forming apparatus using the same | Keiichiro Ishihara, Hiroshi Sato, Manabu Kato | 2007-07-24 |
| 7218434 | Optical scanning apparatus and image forming apparatus equipped with the same | — | 2007-05-15 |
| 7190498 | Optical scanning apparatus and image forming apparatus using the same | — | 2007-03-13 |
| 7126625 | Optical scanning device and image forming apparatus using the same | Ken Tanimura | 2006-10-24 |
| 7075690 | Optical scanning device and image forming apparatus using the same | — | 2006-07-11 |
| 7068406 | Optical scanning apparatus and image forming apparatus using the same | — | 2006-06-27 |
| 7053922 | Optical scanning apparatus, and image forming apparatus using such optical scanning apparatus | Manabu Kato, Hiroshi Sato, Keiichiro Ishihara | 2006-05-30 |