Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8948638 | Image forming apparatus | Yuji Ishikura, Yasuyuki Ishii, Hideki Kosugi, Tetsuro Hirota, Masaaki Yamada +4 more | 2015-02-03 |
| 8483598 | Electrophotographic image forming method and apparatus with a cover film supplying device | Shigekazu Enoki, Takuya Suganuma, Ryuji Yoshida, Yoshinori Nakagawa, Atsushi Kurokawa +8 more | 2013-07-09 |
| 8376494 | Image forming device and image forming apparatus | Tetsuro Hirota, Masanori Horike, Osamu Endou, Tomoko Takahashi | 2013-02-19 |
| 8259142 | Image forming apparatus with developer passage amount control electrodes | Tetsuro Hirota, Masanori Horike, Nobuaki Kondoh, Osamu Endou, Tomoko Takahashi | 2012-09-04 |
| 8200135 | Transfer-fixing devices with heating and temperature equalizing capabilities, and apparatuses and methods using the same | Takashi Fujita, Hiromitsu Takagaki, Takashi Seto, Takeshi Takemoto, Hirohmi Tamura | 2012-06-12 |
| 8167410 | Image forming apparatus | Masanori Horike, Fuyuhiko Matsumoto, Masanori Saitoh, Nobuaki Kondoh, Osamu Endou +1 more | 2012-05-01 |
| 7970325 | Transfer fixing member, transfer fixing device and image forming apparatus | Kazumi Suzuki, Takashi Fujita, Hiromitsu Takagaki, Takashi Seto, Atsushi Nagata | 2011-06-28 |
| 7912412 | Transfer-fixing device, image forming apparatus including the transfer-fixing device, and transfer-fixing method | Takashi Fujita, Takeshi Takemoto, Hiromitsu Takagaki, Takashi Seto, Hirohmi Tamura | 2011-03-22 |
| 7907881 | Transfer-fixing device, image forming apparatus, and transfer-fixing method | Takashi Fujita, Takeshi Takemoto, Hiromitsu Takagaki, Takashi Seto, Hirohmi Tamura | 2011-03-15 |
| 7869752 | Cleaning device, fixing device, and image forming apparatus | Takashi Fujita, Takeshi Takemoto, Hiromitsu Takagaki, Takashi Seto, Kazumi Suzuki +1 more | 2011-01-11 |
| 7856201 | Image transfer fixation apparatus and image formation apparatus | Hiromitsu Takagaki, Takashi Fujita, Takashi Seto, Atsushi Nagata, Takeshi Takemoto +1 more | 2010-12-21 |
| 7821527 | Image forming apparatus | Masanori Horike, Yasuo Katano, Masanori Saitoh, Nobuaki Kondoh | 2010-10-26 |
| 7817174 | Direct image-recording device and image forming apparatus equipped therewith | Masanori Saitoh, Masanori Horike, Osamu Endo, Tomoko Takahashi, Nobuaki Kondoh | 2010-10-19 |
| 7790343 | Process, toner, process cartridge and apparatus for developing a toner image | Kazumi Suzuki, Hiromitsu Takagaki, Takashi Fujita, Atsushi Nakafuji, Hiromi Tamura +3 more | 2010-09-07 |
| 7711301 | Image transfer device for image forming apparatus | Takeshi Takemoto, Takashi Seto, Katsuaki Miyawaki, Takashi Fujita, Hiromitsu Takagaki +3 more | 2010-05-04 |
| 7711300 | Image forming apparatus | Atsushi Nakafuji, Takashi Fujita, Hiromitsu Takagaki, Takashi Seto, Katsuaki Miyawaki +2 more | 2010-05-04 |
| 7672605 | Transfer device and image forming apparatus | Yoshiyuki Kimura, Eisaku Murakami, Masahiko Satoh, Masanori Kawasumi, Hideki Zemba +3 more | 2010-03-02 |
| 7643767 | Transfer-fixing unit and image forming apparatus for enhanced image quality | Takashi Seto, Takeshi Takemoto, Takashi Fujita, Katsuaki Miyawaki, Hiromitsu Takagaki +3 more | 2010-01-05 |
| 7630659 | Method and apparatus for image forming capable of effectively performing a charging process | Takeshi Uchitani, Eisaku Murakami, Yoshiyuki Kimura, Masahiko Satoh, Masanori Kawasumi +3 more | 2009-12-08 |
| 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, Hiromi Ogiyama, Atsushi Takehara, Ken Yoshida +1 more | 2009-10-27 |
| 7603062 | Conductive member, and charging roller, process cartridge and image forming apparatus using same | Eiji Shimojo, Masanori Kawasumi, Yoshiyuki Kimura, Masahiko Satoh, Takeshi Uchitani +4 more | 2009-10-13 |
| 7555243 | Charging member, process cartridge including the same, and image forming apparatus including the same | Masahiko Satoh, Masanori Kawasumi, Yoshiyuki Kimura, Eisaku Murakami, Hideki Zemba +3 more | 2009-06-30 |
| 7551882 | Image forming apparatus equipping improved transfer fixing apparatus | Takashi Seto, Takashi Fujita, Katsuaki Miyawaki, Atsushi Nakafuji, Kazumi Suzuki +2 more | 2009-06-23 |
| 7286785 | Image forming apparatus | Shunichi Hashimoto | 2007-10-23 |
| 7280792 | Method for evaluating changes in resistance of electric resistance member and image forming apparatus using same | Yuuji Sawai, Yoshihiro Fujiwara, Hiromi Ogiyama, Atsushi Takehara, Ken Yoshida +1 more | 2007-10-09 |