Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8767300 | Diffraction element, manufacturing method for diffraction element, and spectrometer using the same | — | 2014-07-01 |
| 8493643 | Multi-beam light scanning apparatus and image forming apparatus using the same | — | 2013-07-23 |
| 7768542 | Multi-beam optical scanning device and image forming apparatus using the same | — | 2010-08-03 |
| 7692678 | Laser light control device for image forming apparatus, and image forming apparatus | Akira Morisawa | 2010-04-06 |
| 7646523 | Optical scanning apparatus and image forming apparatus using same | — | 2010-01-12 |
| 7598974 | Multi-beam optical scanning device | — | 2009-10-06 |
| 7561319 | Optical scanning device and image forming apparatus using the same | — | 2009-07-14 |
| 7538926 | Optical scanning device and image forming apparatus using the same | Hiroki Yoshida | 2009-05-26 |
| 7538789 | Optical scanning device and image forming apparatus using the same | Yuichi Tomioka | 2009-05-26 |
| 7428088 | Optical scanning apparatus and method for adjusting the same | — | 2008-09-23 |
| 7385746 | Optical scanning system and image forming apparatus using the same | Takahisa Kato, Susumu Yasuda | 2008-06-10 |
| 7304777 | Optical scanning apparatus and image forming apparatus using the same | — | 2007-12-04 |
| 7268948 | Optical element and optical scanning device using the same | Yasuhiro Matsuo, Kazumi Kimura, Kentarou Nomura | 2007-09-11 |
| 7149019 | Optical scanning system and image forming apparatus using the same | — | 2006-12-12 |
| 7145591 | Multi-beam optical scanning device | — | 2006-12-05 |
| 7136208 | Light scanning apparatus and image forming apparatus using the same | Hiroki Yoshida | 2006-11-14 |
| 7119824 | Multi-beam optical scanning apparatus, and image forming apparatus using the same | — | 2006-10-10 |
| 6989855 | Multi-beam scanning optical system, multi-beam scanning optical apparatus, and image forming apparatus | — | 2006-01-24 |
| 6954295 | Light scanning optical system, optical scanning apparatus and image forming apparatus using the same | — | 2005-10-11 |
| 6914620 | Multi-beam scanning optical system and image forming apparatus using the same | Hiroki Yoshida, Keiichiro Ishihara | 2005-07-05 |
| 6731418 | Multibeam scanning optical system and image forming apparatus using the same | — | 2004-05-04 |
| 6633423 | Scanning optical system and image forming apparatus using the same | — | 2003-10-14 |
| 6535317 | Light-scanning optical system and image-forming apparatus using it | — | 2003-03-18 |
| 6489982 | Error reduction in a multi-beam scanning optical system, and image-forming apparatus using the same | — | 2002-12-03 |
| 6362470 | Optical scanning apparatus and image forming apparatus and electrophotographic printer using such scanning apparatus | Hiroki Yoshida | 2002-03-26 |