Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8280283 | Heat transmission member included image forming apparatus | Ken Yoshida | 2012-10-02 |
| 8275275 | Image forming apparatus | Emiko Ishikawa, Yasunobu Shimizu, Akio Kosuge, Ken Yoshida, Jun Yura +4 more | 2012-09-25 |
| 8270886 | Transfer nip roller, transfer device, and image forming apparatus | Ryuuichi Minbu, Junroh Uda | 2012-09-18 |
| 7773928 | Transfer-separation device and image forming apparatus | Junroh Uda, Ryuuichi Mimbu | 2010-08-10 |
| 7610004 | Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of image | Shinji Kato, Yuuji Sawai, Shin Kayahara, Atsushi Takehara, Ken Yoshida +1 more | 2009-10-27 |
| 7346287 | Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer device | Kohki Katoh, Akihiro Sugino, Mitsuru Takahashi, Katsuya Kawagoe, Yuuji Sawai | 2008-03-18 |
| 7280792 | Method for evaluating changes in resistance of electric resistance member and image forming apparatus using same | Yuuji Sawai, Yoshihiro Fujiwara, Shin Kayahara, Atsushi Takehara, Ken Yoshida +1 more | 2007-10-09 |
| 7203433 | Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of image | Shinji Kato, Yuuji Sawai, Shin Kayahara, Atsushi Takehara, Ken Yoshida +1 more | 2007-04-10 |
| 7003238 | Intermediate image transfer device for a color image forming apparatus | Ken Yoshida, Yuuji Sawai, Atsushi Takehara, Shin Kayahara, Shinji Kato +1 more | 2006-02-21 |
| 6901234 | Image forming apparatus including an intermediate image transfer belt and high resistance contact member | Katsuya Kawagoe, Shin Kayahara, Ryuuichi Minbu, Yuuji Sawai, Mitsuru Takahashi +2 more | 2005-05-31 |
| 6829450 | Transfer bias applying method for an image forming apparatus and device for the same | Takahiro Tamiya, Akihiro Sugino, Katsuya Kawagoe, Kohki Katoh, Mitsuru Takahashi +1 more | 2004-12-07 |
| 6785500 | Image forming apparatus including image transfer body with elastic layer and coating layer | Mitsuru Takahashi, Yuuji Sawai, Katsuya Kawagoe, Akihiro Sugino, Kohki Katoh | 2004-08-31 |
| 6741821 | Image forming apparatus, and process cartridge for use in image forming apparatus | Akihiro Sugino, Yuuji Sawai, Mitsuru Takahashi, Kohki Katoh, Katsuya Kawagoe +1 more | 2004-05-25 |
| 6697595 | Method and apparatus for forming an image with no degradation | Katsuya Kawagoe, Toshiaki Motohashi, Yuuji Sawai, Shin Kayahara, Ryuta Takeichi +2 more | 2004-02-24 |
| 6618565 | Transfer bias applying method for an image forming apparatus and device for the same | Takahiro Tamiya, Akihiro Sugino, Katsuya Kawagoe, Kohki Katoh, Mitsuru Takahashi +1 more | 2003-09-09 |
| 6405002 | Image formation apparatus | Toshiharu Hachisuka, Yuji Sawai | 2002-06-11 |
| 5483330 | Image transfer unit of image formation apparatus | Hiroyoshi Haga | 1996-01-09 |
| 4851874 | Developing apparatus for image recorder | — | 1989-07-25 |
| 4528937 | Device for forming a developer film | Fuchio Kanno, Koji Sakamoto, Kazuo Kobayashi, Wataru Yasuda | 1985-07-16 |