Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616384 | Zoom lens and imaging apparatus | — | 2009-11-10 |
| 7525710 | Scanning and imaging optical system, optical scanner, and image forming apparatus with lenses of different signs and refractive index distribution increasing toward rim | Yasuo Yamanaka | 2009-04-28 |
| 7397591 | Optical scanner and image forming apparatus | Yoshinori Hayashi | 2008-07-08 |
| 7298537 | Optical scanner and image forming apparatus | Yoshinori Hayashi | 2007-11-20 |
| 7271823 | Optical scanner and image forming apparatus | Yasutaka Izumi, Yoshinori Hayashi | 2007-09-18 |
| 7236281 | Optical scanner and image forming apparatus | Yoshinori Hayashi | 2007-06-26 |
| 7215354 | Scanning optical system, optical scanning device and image forming apparatus | Kohji Sakai, Magane Aoki, Seizo Suzuki | 2007-05-08 |
| 7164516 | Optical scanner and image forming apparatus | Yoshinori Hayashi, Yasutaka Izumi | 2007-01-16 |
| 7154651 | Optical scanning device and imaging apparatus implementing the same | Yoshinori Hayashi, Naoki Miyatake | 2006-12-26 |
| 7126737 | Optical scanning apparatus and image forming apparatus | Yukio Itami | 2006-10-24 |
| 7106483 | Optical scanner and image forming apparatus | Yoshinori Hayashi, Yasutaka Izumi | 2006-09-12 |
| 7068407 | Optical element, optical scanner and image forming apparatus | Kohji Sakai, Seizo Suzuki | 2006-06-27 |
| 7050210 | Optical scanning device and imaging apparatus implementing the same | Yoshinori Hayashi, Naoki Miyatake | 2006-05-23 |
| 7038822 | Optical element, optical scanner and image forming apparatus | Kohji Sakai, Seizo Suzuki | 2006-05-02 |
| 7012724 | Optical scanning device having a temperature compensation unit | Seizo Suzuki, Satoru Itoh | 2006-03-14 |
| 7006120 | Multi-beam optical scanning apparatus and image forming apparatus | Kohji Sakai, Magane Aoki, Yoshinori Hayashi, Seizo Suzuki | 2006-02-28 |
| 6999208 | Optical scanner, optical scanning method, scanning image forming optical system, optical scanning lens and image forming apparatus | Seizo Suzuki, Kohji Sakai, Magane Aoki, Hiroyuki Suhara | 2006-02-14 |
| 6961164 | Scanning optics with optical elements formed of resin and optical scanning device and image forming apparatus using the same | — | 2005-11-01 |
| 6937371 | Optical scanner and image formation apparatus | Yoshinori Hayashi, Seizo Suzuki, Atsushi Kawamura, Kohji Sakai, Akihisa Itabashi | 2005-08-30 |
| 6829104 | Resin-made non-spherical optical element, optical scanning device using the optical element, and image forming apparatus using the optical scanning device | Seizo Suzuki | 2004-12-07 |
| 6801351 | Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus | Seizo Suzuki, Magane Aoki, Kohji Sakai | 2004-10-05 |
| 6800845 | Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus | Kohji Sakai, Seizo Suzuki, 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) | Seizo Suzuki | 2004-09-14 |
| 6785028 | Optical scanning device having a temperature compensation unit | Seizo Suzuki, Satoru Itoh | 2004-08-31 |
| 6781729 | Optical scanning system with unvarying image surface under environmental temperature change | Seizo Suzuki, Kohji Sakai | 2004-08-24 |