Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7209684 | Image forming apparatus and method for forming image with developing agent having adhesive strength | Minoru Yoshida, Takeshi Watanabe | 2007-04-24 |
| 7206523 | Color image forming apparatus and method using detachable process units | Takeshi Watanabe, Masashi Takahashi, Takashi Hatakeyama | 2007-04-17 |
| 7197267 | Image forming apparatus and control method using a two-component developer | Takashi Hatakeyama, Toshihiro Kasai, Minoru Yoshida, Takeshi Watanabe, Masashi Takahashi | 2007-03-27 |
| 6970666 | Image forming apparatus | Masashi Takahashi, Takeshi Watanabe, Minoru Yoshida | 2005-11-29 |
| 6867791 | Image forming apparatus and image forming method | — | 2005-03-15 |
| 6643487 | Image forming apparatus using intermediate transfer body | — | 2003-11-04 |
| 6625404 | Apparatus for controlling the amount of developer material and toner concentration | Takeshi Watanabe | 2003-09-23 |
| 6603934 | Method and apparatus for forming image | — | 2003-08-05 |
| 6600884 | Method and apparatus for forming image | — | 2003-07-29 |
| 6587661 | Image forming apparatus | Takeshi Watanabe | 2003-07-01 |