Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975293 | Authentication system, authentication method and terminal device | Satoshi Deishi, Masahiro Kitamura | 2011-07-05 |
| 7918450 | Sheet processing apparatus, sheet processing method, and image forming apparatus | — | 2011-04-05 |
| 7545534 | Image processing apparatus, method and program binarizing received image data | — | 2009-06-09 |
| 7538926 | Optical scanning device and image forming apparatus using the same | Yoshihiro Ishibe | 2009-05-26 |
| 7529419 | Data processing device capable of processing image data with small memory capacity, image processing method, and program product | — | 2009-05-05 |
| 7397960 | Method of and computer system for executing area-division and compression of document image | — | 2008-07-08 |
| 7342995 | Apparatus for estimating specific polymer crystal | Takahisa Sato, Akihito Yamano, Shoichi Yasukawa, Kensaku Hamada | 2008-03-11 |
| 7251053 | Image processing apparatus and method | — | 2007-07-31 |
| 7136208 | Light scanning apparatus and image forming apparatus using the same | Yoshihiro Ishibe | 2006-11-14 |
| 7098937 | Multi-beam scanning optical system, image forming apparatus, and color image forming apparatus | — | 2006-08-29 |
| 7098938 | Multi-beam scanning optical apparatus and image forming apparatus using the same | — | 2006-08-29 |
| 7010160 | Backlight scene judging method | — | 2006-03-07 |
| 6963663 | Image processing for image correction | — | 2005-11-08 |
| 6914620 | Multi-beam scanning optical system and image forming apparatus using the same | Yoshihiro Ishibe, Keiichiro Ishihara | 2005-07-05 |
| 6833855 | Multi-beam scanning optical system with reduced interbeam displacement and image forming apparatus using the same | — | 2004-12-21 |
| 6825961 | Multi-beam scanning optical system and image forming apparatus using it | — | 2004-11-30 |
| 6798549 | Multi-beam scanning optical system and image forming apparatus using it | — | 2004-09-28 |
| 6795222 | Multi-beam scanning optical system and image forming apparatus using it | — | 2004-09-21 |
| 6667822 | Scanning optical system and image forming apparatus using the same | — | 2003-12-23 |
| 6667820 | Multi-beam scanning optical system and image forming apparatus using it | — | 2003-12-23 |
| 6606200 | Zoom lens device and optical apparatus provided with the same | Hiroki Nakayama, Hiroyuki Hamano | 2003-08-12 |
| 6606194 | Variable magnification optical system having image stabilizing function | Hiroyuki Hamano | 2003-08-12 |
| 6476955 | Multi-beam scanning optical system and image forming apparatus using it | — | 2002-11-05 |
| 6473231 | Variable magnification optical system having image stabilizing function | Hiroyuki Hamano | 2002-10-29 |
| 6362470 | Optical scanning apparatus and image forming apparatus and electrophotographic printer using such scanning apparatus | Yoshihiro Ishibe | 2002-03-26 |