Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081910 | Image forming apparatus and image forming method | Yoichi Yamada, Takatomo Fukumoto | 2011-12-20 |
| 7979012 | Image forming apparatus and image forming method | Yoichi Yamada | 2011-07-12 |
| 7929889 | Image forming apparatus and image forming method | Yoichi Yamada | 2011-04-19 |
| 7904012 | Image carrier cleaning device, image carrier cleaning method, and image forming apparatus | Masaru Kobashi, Yoichi Yamada, Masahiro Maeda | 2011-03-08 |
| 7672618 | Image forming apparatus and method using liquid development in which toner density is determined based on patch image density | Yoshiro Koga, Toru Fujita, Masahide Nakamura | 2010-03-02 |
| 7558503 | Image forming apparatus with a proximity charger roller | Ken Ikuma | 2009-07-07 |
| 7539443 | Charging roller and image forming apparatus | Shinichi Kamoshida, Tadahiro Mizutani, Katsumi Okamoto, Ken Ikuma | 2009-05-26 |
| 7505715 | Charging roller and image forming apparatus with the same | Shinichi Kamoshida, Tadahiro Mizutani, Ken Ikuma, Kazuyoshi Ohashi | 2009-03-17 |
| 7457568 | Image forming apparatus and method using liquid development in which toner density is determined based on patch image density | Yoshiro Koga, Toru Fujita, Masahide Nakamura | 2008-11-25 |
| 7298350 | Image forming apparatus | Yujiro Nomura, Kiyoshi Tsujino | 2007-11-20 |
| 7200353 | Image forming apparatus with intermediate transfer member | Masanori Nakata, Ken Ikuma | 2007-04-03 |
| 7174111 | Apparatus and method of transferring image on intermediate medium onto recording medium | Yoshiro Koga, Toru Fujita, Masahide Nakamura | 2007-02-06 |
| 7082271 | Image forming apparatus and image forming method using liquid development | Masahide Nakamura, Yoshiro Koga, Toru Fujita | 2006-07-25 |
| 7062202 | Image forming apparatus and method using liquid development under an image forming condition in which an adhesion amount of toner is substantially saturated | Yoshiro Koga, Toru Fujita, Masahide Nakamura | 2006-06-13 |
| 7041423 | Developing method and image forming method | Masanao Kunugi, Hiroshi Toyama | 2006-05-09 |
| 7020417 | Image carrier cartridge, an exposure head shielded from light, and image forming apparatus using these | Yujiro Nomura, Kiyoshi Tsujino | 2006-03-28 |
| 7015937 | Electrostatic latent image writing head, method of manufacturing the same and image forming apparatus incorporating the same | Shinichi Kamoshida, Kiyoteru Katsuki, Nobumasa Abe, Kiyoshi Tsujino, Yujiro Nomura | 2006-03-21 |
| 7003236 | Liquid development apparatus, liquid development method, and image forming apparatus and image forming method using liquid development | Toru Fujita, Yoshiro Koga, Masahide Nakamura | 2006-02-21 |
| 6996360 | Apparatus and method of transferring image on intermediate medium onto recording medium | Yoshiro Koga, Toru Fujita, Masahide Nakamura | 2006-02-07 |
| 6989849 | Exposure head and image forming apparatus using the same | Yujiro Nomura, Kiyoshi Tsujino | 2006-01-24 |
| 6863380 | Toner used in image forming apparatus | Kiyoteru Katsuki, Nobuhiro Miyakawa | 2005-03-08 |
| 6817701 | Image forming apparatus | Kiyoteru Katsuki | 2004-11-16 |
| 6539186 | Image forming apparatus having a cleaning device | Hidetsugu Shimura, Yujiro Nomura | 2003-03-25 |
| 6334034 | Detachable cleaning device for an image forming apparatus | Hidetsugu Shimura, Yujiro Nomura | 2001-12-25 |
| 6139765 | Magnetic powder, permanent magnet produced therefrom and process for producing them | Toshiyuki Ishibashi, Koji Akioka | 2000-10-31 |