Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10776768 | Article recognition device and commodity settlement device | — | 2020-09-15 |
| 8824006 | Color correction apparatus and color correction method | Takayuki Sawada | 2014-09-02 |
| 7876473 | Apparatus and method for information burying | — | 2011-01-25 |
| 7583813 | Embedding data reproduce apparatus | — | 2009-09-01 |
| 7375866 | Image processing system and method for screening | Gaku Takano | 2008-05-20 |
| 7365880 | Image processing apparatus and image processing method | Takahiro Fuchigami | 2008-04-29 |
| 7336396 | Image processing apparatus and image processing method | Gaku Takano | 2008-02-26 |
| 7324244 | Image forming apparatus and image forming method | Haruko Kawakami, Gaku Takano | 2008-01-29 |
| 7006253 | Image processing apparatus | Takahiro Fuchigami | 2006-02-28 |
| 6993181 | Image compression decoding apparatus and method thereof | Sunao Tabata | 2006-01-31 |
| 6980327 | Image processing apparatus | Takahiro Fuchigami | 2005-12-27 |
| 6922262 | Image processing apparatus | Gaku Takano | 2005-07-26 |
| 6903745 | Image processing apparatus and image processing method | Gaku Takano | 2005-06-07 |
| 6424742 | Image processing apparatus for discriminating image field of original document plural times and method therefor | Haruko Kawakami, Gururaj Rao | 2002-07-23 |
| 6377361 | Image processing device and image forming apparatus | Eiichi Sakaue, Hidekazu Sekizawa, Hiroki Kanno | 2002-04-23 |
| 6342950 | Method and apparatus for encoding image, image decoding apparatus and image forming apparatus | Sunao Tabata, Gururaj Rao | 2002-01-29 |
| 6154569 | System and method for coding and/or decoding image including bit-map of different levels | Eiichi Sakaue, Sunao Tabata, Hidekazu Sekizawa | 2000-11-28 |
| 6134022 | Color image printing system capable of correcting density deviation on image and system for detecting color deviation on image | Hidekazu Sekizawa | 2000-10-17 |
| 6095566 | Image recorded product, image recording system, image reproducing system, and recording medium for use to superimpose-record/reproduce additional information | Hidekazu Sekizawa, Haruko Kawakami, Kazuhiko Higuchi | 2000-08-01 |
| 5708514 | Error diffusion method in a multi-level image recording apparatus utilizing adjacent-pixel characteristics | Kazuhiko Higuchi, Hidekazu Sekizawa, Haruko Kawakami, Eiichi Sakaue | 1998-01-13 |
| 5652626 | Image processing apparatus using pattern generating circuits to process a color image | Haruko Kawakami, Hidekazu Sekizawa | 1997-07-29 |
| 5583646 | Apparatus for distinguishing image portions through image expansion | Hidekazu Sekizawa, Eiichi Sakaue | 1996-12-10 |
| 5497180 | Image recording apparatus for representing a halftone by use of a plurality of recorded dots | Haruko Kawakami, Hidekazu Sekizawa | 1996-03-05 |
| 5315413 | Color image correction device for correcting phase and resolution characteristics of a copy image using different color signal components | Hidekazu Sekizawa | 1994-05-24 |
| 5278641 | Brightness referenced color image correcting apparatus | Hidekazu Sekizawa, Haruko Kawakami, Tutomu Saito | 1994-01-11 |