Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10949697 | Image processing apparatus and image forming apparatus | — | 2021-03-16 |
| 10747160 | Image forming apparatus that detects near depletion of toner and method for detecting near depletion of toner | — | 2020-08-18 |
| 10203919 | Image forming apparatus and communication system | — | 2019-02-12 |
| 9703513 | Image forming apparatus with an improved image previewer based on the type of document image | — | 2017-07-11 |
| 9395670 | Image forming apparatus that reduces variation of count of printable sheets per toner container, image forming method, and recording medium | — | 2016-07-19 |
| 9232099 | Image reading device | — | 2016-01-05 |
| 8805213 | Toner calculation in an image forming device | — | 2014-08-12 |
| 8559055 | Image forming apparatus | — | 2013-10-15 |
| 8390830 | Printing control device, printing and printing control method with controls for canceling security image | — | 2013-03-05 |
| 8284456 | Image processing apparatus, image forming apparatus, and computer-readable recording medium storing image processing program | Kunihiko Tanaka | 2012-10-09 |
| 8228545 | Image reading apparatus and image forming apparatus | — | 2012-07-24 |
| 8199341 | Image processing apparatus, image forming apparatus, and computer-readable recording medium storing image processing program for creating a copy prevention pattern that allows a copying machine with a copy guard function to read a special dot pattern | — | 2012-06-12 |
| 7002622 | Area separating apparatus, image processing apparatus employing the same, and area separating method | Kei Tanaka, Hiroki Sakane | 2006-02-21 |
| 5659402 | Image processing method and apparatus | Hiroyuki Fujita, Tetsuji Kajitani, Hidemitsu Hirano, Takuji Okumura, Tsukasa Matsushita +2 more | 1997-08-19 |
| 5650784 | Digital AGC circuit for image processing | Tetsuji Kajitani | 1997-07-22 |
| 5646745 | Image data processing apparatus having line memory | Tetsuji Kajitani, Hideo Azumai, Satoshi Iwatsubo | 1997-07-08 |
| 5644409 | Shading correcting method and shading correcting apparatus for use in image forming apparatuses | Atsuhiko Irie, Tetsuji Kajitani | 1997-07-01 |
| 5572337 | Shading correcting method and shading correcting apparatus | Tetsuji Kajitani, Hideo Azumai, Satoshi Iwatsubo | 1996-11-05 |
| 5532827 | Apparatus for reproducing image densities using pixel processing and method of use thereof | Tetsuji Kajitani, Hideo Azumai, Satoshi Iwatsubo | 1996-07-02 |
| 5519509 | Image processing method utilizing error diffusion technique | Tetsuji Kajitani, Hideo Azumai, Satoshi Iwatsubo | 1996-05-21 |