Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8731422 | Image forming apparatus and method for re-executing duplex printing | Hiromasa Tanaka, Hiroyuki Okuyama, Tetsuya Sadowara, Yoshihito Hiroe, Yasuaki Okamoto | 2014-05-20 |
| 8319808 | Image forming apparatus | Tetsuya Sadowara, Hiroyuki Okuyama, Yoshihito Hiroe, Hiromasa Tanaka, Yasuaki Okamoto | 2012-11-27 |
| 6587651 | Image forming apparatus and method of controlling the apparatus | Tetsuya Sadowara, Hideaki Fukaya | 2003-07-01 |
| 6204931 | Image forming apparatus and an image forming method thereof | — | 2001-03-20 |
| 5724444 | Image forming apparatus | — | 1998-03-03 |
| 5696595 | Image forming apparatus with automatic density adjustment | — | 1997-12-09 |
| 5608544 | Framed-area defining rectangle forming device | — | 1997-03-04 |
| 5161029 | Image forming apparatus for controlling stepping motor in accordance with copy magnification | — | 1992-11-03 |
| 4875092 | Image forming apparatus with positioning-mark forming function | Yasuo Abuyama, Akihiko Someya | 1989-10-17 |
| 4816902 | Method for continuously preparing films for use in making printing plates for off set lithography and image-forming apparatus for preparing the films | — | 1989-03-28 |
| 4742240 | Image reading apparatus with imaging means imaging separate and distinct rows of a document | Junji Watanabe | 1988-05-03 |
| 4695896 | Image forming apparatus | — | 1987-09-22 |
| 4670795 | Color image forming apparatus and method | — | 1987-06-02 |
| 4631577 | Image forming apparatus displaying the steps of the image forming process | — | 1986-12-23 |
| 4623902 | Belt-shaped material conveying apparatus | — | 1986-11-18 |
| 4616236 | Image forming apparatus with color transfer material | Junji Watanabe | 1986-10-07 |
| 4589035 | Multiple copy image forming apparatus and method | Kenichi Oono, Masami Gokita, Kenji Futaki, Junji Watanabe | 1986-05-13 |