Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8571452 | Transfer and fixing device using radiant heating and image forming apparatus using same | Takashi Seto, Takashi Fujita, Atsushi Nagata | 2013-10-29 |
| 8509675 | Image forming apparatus with adjustable recording medium heating | Takashi Seto, Takashi Fujita, Atsushi Nagata, Kazuya Saito | 2013-08-13 |
| 8483601 | Transfer fixing device and image forming apparatus incorporating same | Kazuya Saito, Atsushi Nagata, Takashi Fujita, Takashi Seto | 2013-07-09 |
| 8422925 | Transfer-fixing device and image forming apparatus incorporating same | Takashi Fujita, Atsushi Nagata, Takashi Seto, Kazuya Saito, Takeshi Yamamoto | 2013-04-16 |
| 8200135 | Transfer-fixing devices with heating and temperature equalizing capabilities, and apparatuses and methods using the same | Takashi Fujita, Shin Kayahara, Takashi Seto, Takeshi Takemoto, Hirohmi Tamura | 2012-06-12 |
| 7970325 | Transfer fixing member, transfer fixing device and image forming apparatus | Kazumi Suzuki, Takashi Fujita, Takashi Seto, Shin Kayahara, Atsushi Nagata | 2011-06-28 |
| 7912412 | Transfer-fixing device, image forming apparatus including the transfer-fixing device, and transfer-fixing method | Takashi Fujita, Shin Kayahara, Takeshi Takemoto, Takashi Seto, Hirohmi Tamura | 2011-03-22 |
| 7907881 | Transfer-fixing device, image forming apparatus, and transfer-fixing method | Shin Kayahara, Takashi Fujita, Takeshi Takemoto, Takashi Seto, Hirohmi Tamura | 2011-03-15 |
| 7869752 | Cleaning device, fixing device, and image forming apparatus | Shin Kayahara, Takashi Fujita, Takeshi Takemoto, Takashi Seto, Kazumi Suzuki +1 more | 2011-01-11 |
| 7856201 | Image transfer fixation apparatus and image formation apparatus | Takashi Fujita, Shin Kayahara, Takashi Seto, Atsushi Nagata, Takeshi Takemoto +1 more | 2010-12-21 |
| 7790343 | Process, toner, process cartridge and apparatus for developing a toner image | Kazumi Suzuki, Takashi Fujita, Atsushi Nakafuji, Hiromi Tamura, Shin Kayahara +3 more | 2010-09-07 |
| 7711300 | Image forming apparatus | Atsushi Nakafuji, Takashi Fujita, Shin Kayahara, Takashi Seto, Katsuaki Miyawaki +2 more | 2010-05-04 |
| 7711301 | Image transfer device for image forming apparatus | Takeshi Takemoto, Takashi Seto, Katsuaki Miyawaki, Takashi Fujita, Atsushi Nakafuji +3 more | 2010-05-04 |
| 7643767 | Transfer-fixing unit and image forming apparatus for enhanced image quality | Takashi Seto, Takeshi Takemoto, Takashi Fujita, Katsuaki Miyawaki, Shin Kayahara +3 more | 2010-01-05 |
| 7613419 | Image forming apparatus and image forming method characterized by a particular nip time | Kazumi Suzuki, Takashi Fujita, Hideki Kosugi, Ichiro Kadota, Atsushi Nakafuji | 2009-11-03 |
| 7551882 | Image forming apparatus equipping improved transfer fixing apparatus | Takashi Seto, Takashi Fujita, Katsuaki Miyawaki, Shin Kayahara, Atsushi Nakafuji +2 more | 2009-06-23 |
| 7526242 | Transferring apparatus and image forming apparatus | Takashi Fujita, Atsushi Nakafuji, Hirohmi Tamura, Hiroyuki Kunii, Kohji Ue | 2009-04-28 |
| 7359661 | Developing method, developing device, and image forming apparatus including the developing device that minimizes deterioration of developer | Katsuhiro Aoki, Hajime Oyama, Hiroshi Ikeguchi | 2008-04-15 |
| 7269384 | Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatus | Yukimichi Someya, Takashi Fujita, Atsushi Nakafuji, Katsuhiro Echigo, Hiroyuki Kunii +5 more | 2007-09-11 |
| 7245861 | Developing device, image forming apparatus and process cartridge including the developing device, and developing method | Takayuki Koike, Hajime Oyama, Nobutaka Takeuchi | 2007-07-17 |
| 7209685 | Developing device, image forming apparatus and process cartridge including replenishment openings | Hajime Oyama, Katsuhiro Aoki, Hiroshi Ikeguchi, Yasuo Miyoshi | 2007-04-24 |
| 7181155 | Developer supplying device, developing roller, developing device, image forming apparatus and process cartridge | Katsuhiro Aoki, Hajime Oyama, Hiroshi Ikeguchi, Yasuo Miyoshi | 2007-02-20 |
| 7171145 | Developing device and process cartridge for an image forming apparatus | Nobutaka Takeuchi, Hajime Oyama, Takayuki Koike | 2007-01-30 |
| 7116932 | Developing unit and image forming apparatus | Nobutaka Takeuchi, Hajime Oyama, Takayuki Koike | 2006-10-03 |
| 7024141 | Developing device and process cartridge for an image forming apparatus | Nobutaka Takeuchi, Hajime Oyama, Takayuki Koike | 2006-04-04 |