Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7995249 | Apparatus and method for image forming | Hirokazu Shoda, Kunihiko Miura | 2011-08-09 |
| 7777918 | Image forming apparatus and method of controlling the apparatus | Naoyuki Misaka, Jun Sakakibara | 2010-08-17 |
| 7652800 | Apparatus and method for image forming | Hirokazu Shoda, Kunihiko Miura | 2010-01-26 |
| 7616359 | Image reading apparatus, image forming apparatus, and image forming method | Akihiko Someya, Yusuke Hashizume | 2009-11-10 |
| 7554695 | Apparatus and method for image forming | Kunihiko Miura, Hirokazu Shoda | 2009-06-30 |
| 6987587 | Multiple recognition image processing apparatus | Sunao Tabata | 2006-01-17 |
| 6377361 | Image processing device and image forming apparatus | Eiichi Sakaue, Naofumi Yamamoto, Hiroki Kanno | 2002-04-23 |
| 6154569 | System and method for coding and/or decoding image including bit-map of different levels | Eiichi Sakaue, Sunao Tabata, Naofumi Yamamoto | 2000-11-28 |
| 6134022 | Color image printing system capable of correcting density deviation on image and system for detecting color deviation on image | Naofumi Yamamoto | 2000-10-17 |
| 6095566 | Image recorded product, image recording system, image reproducing system, and recording medium for use to superimpose-record/reproduce additional information | Naofumi Yamamoto, Haruko Kawakami, Kazuhiko Higuchi | 2000-08-01 |
| 5767886 | Ink amount indicative signal correcting apparatus for reducing dispersion degree of overlapping of color inks for each pixel in a color image printer system | Haruko Kawakami | 1998-06-16 |
| 5708514 | Error diffusion method in a multi-level image recording apparatus utilizing adjacent-pixel characteristics | Kazuhiko Higuchi, Naofumi Yamamoto, Haruko Kawakami, Eiichi Sakaue | 1998-01-13 |
| 5652626 | Image processing apparatus using pattern generating circuits to process a color image | Haruko Kawakami, Naofumi Yamamoto | 1997-07-29 |
| 5583646 | Apparatus for distinguishing image portions through image expansion | Naofumi Yamamoto, Eiichi Sakaue | 1996-12-10 |
| 5497180 | Image recording apparatus for representing a halftone by use of a plurality of recorded dots | Haruko Kawakami, Naofumi Yamamoto | 1996-03-05 |
| 5315413 | Color image correction device for correcting phase and resolution characteristics of a copy image using different color signal components | Naofumi Yamamoto | 1994-05-24 |
| 5278641 | Brightness referenced color image correcting apparatus | Naofumi Yamamoto, Haruko Kawakami, Tutomu Saito | 1994-01-11 |
| 5200840 | Image processing apparatus | Yuzo Koike, Naofumi Yamamoto | 1993-04-06 |
| 5136401 | Image layout apparatus for performing pattern modification such as coloring of an original image | Naofumi Yamamoto, Haruko Kawakami | 1992-08-04 |
| 5072291 | Image information signal processing apparatus for improving reproduced image quality by discriminating the type of input image and selecting a particular processing in accordance therewith | — | 1991-12-10 |
| 5028991 | Image signal processing apparatus for use in color image reproduction | Akito Iwamoto, Shuzo Hirahara, Naofumi Yamamoto, Tutomu Saito, Kazuhiko Higuchi +1 more | 1991-07-02 |
| 4926251 | Color image processing apparatus with image corrector | Tutomu Saito, Naofumi Yamamoto, Kazuhiko Higuchi, Haruko Kawakami | 1990-05-15 |
| 4916549 | Image sensing apparatus with shading compensation | — | 1990-04-10 |
| 4806780 | Image correction method and apparatus with partial detector array sampling | Naofumi Yamamoto, Tutomu Saito | 1989-02-21 |
| 4803496 | Method for recording a color image | Haruko Kawakami, Naofumi Yamamoto | 1989-02-07 |