Issued Patents All Time
Showing 51–75 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7400844 | Image forming apparatus and process cartridge with a cleaner for removing toner from an image bearing member | Eisaku Murakami, Hiroyuki Nagashima, Masato Yanagida, Naohiro Kumagai, Toshio Koike +4 more | 2008-07-15 |
| 7389069 | Image forming apparatus and process cartridge unit therefore | Kaoru Yoshino, Hiroshi Ono | 2008-06-17 |
| 7386257 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Toshio Koike, Eisaku Murakami, Masato Yanagida, Naohiro Kumagai, Atsushi Sampe +4 more | 2008-06-10 |
| 7313347 | Cleaning device, process cartridge, image forming apparatus and toner | Takuzi Yoneda, Ken Amemiya, Takaaki Tawada, Tokuya Ojimi, Toshio Koike +12 more | 2007-12-25 |
| 7302205 | Process cartridge and image forming apparatus | Akira Fujimori, Kaoru Yoshino, Satoshi Hatori, Hiroshi Ono, Nobuo Kikuchi +1 more | 2007-11-27 |
| 7295796 | Image forming apparatus having a temporary toner holding device and a toner collecting device | Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +8 more | 2007-11-13 |
| 7292816 | Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus | Tokuya Ojimi, Toshio Koike, Takaaki Tawada, Yuji Arai, Takuzi Yoneda +4 more | 2007-11-06 |
| 7272354 | Cleaning unit and image forming apparatus having multiple cleaning blades | Eisaku Murakami, Masami Tomita, Masanori Kawasumi, Toshio Koike, Naohiro Kumagai +11 more | 2007-09-18 |
| 7266324 | Charging device, and process cartridge and image forming apparatus using the charging device | Masato Yanagida, Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe +5 more | 2007-09-04 |
| 7228099 | Cleaning device for cleaning a surface of an image support body | Takuji Yoneda, Toshio Koike, Masato Yanagida, Naohiro Kumagai, Hiroyuki Nagashima +5 more | 2007-06-05 |
| 7218877 | Charging device, and process cartridge and image forming apparatus including the charging device using the same | Masato Yanagida, Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe +5 more | 2007-05-15 |
| 7190918 | Image forming apparatus | Yoshiyuki Kimura, Hiroshi Ono, Satoshi Hatori | 2007-03-13 |
| 7149465 | Cleaning unit, process cartridge, image forming apparatus, and toner | Ken Amemiya, Masato Yanagida, Naohiro Kumagai, Takaaki Tawada, Yuji Arai +8 more | 2006-12-12 |
| 7139504 | Charging device, and process cartridge and image forming apparatus using the charging device | Masato Yanagida, Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe +5 more | 2006-11-21 |
| 7130564 | Method and apparatus for image forming capable of removing residual toner without using a toner cleaning system, process cartridge for use in the apparatus and toner used for the image forming | Eisaku Murakami, Toshio Koike, Masato Yanagida, Naohiro Kumagai, Masanori Kawasumi +4 more | 2006-10-31 |
| 7110696 | Cleaning unit, process cartridge, and image forming apparatus | Eisaku Murakami, Masami Tomita, Masanori Kawasumi, Toshio Koike, Naohiro Kumagai +11 more | 2006-09-19 |
| 7085528 | Cleaning unit, process cartridge, and image forming apparatus | Naohiro Kumagai, Masato Yanagida, Toshio Koike, Eisaku Murakami, Masanori Kawasumi +2 more | 2006-08-01 |
| 7065316 | Cleaning unit, process cartridge, image forming apparatus, and toner | Masato Yanagida, Atsushi Sampe, Naohiro Kumagai, Toshio Koike, Masanori Kawasumi +3 more | 2006-06-20 |
| 7062194 | Charging device, and process cartridge and image forming apparatus including the charging device | Masato Yanagida, Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe +5 more | 2006-06-13 |
| 7050741 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Toshio Koike, Eisaku Murakami, Masato Yanagida, Naohiro Kumagai, Atsushi Sampe +4 more | 2006-05-23 |
| 6990309 | Method and apparatus for image forming performing improved cleaning and discharging operation on image forming associated members | Shin Kayahara, Hideo Yu, Mitsuru Takahashi | 2006-01-24 |
| 6885836 | Image forming apparatus limiting heat transfer | Yoshiyuki Kimura, Hiroshi Ono, Satoshi Hatori | 2005-04-26 |
| 6701118 | Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members | Shin Kayahara, Hideo Yu, Mitsuru Takahashi | 2004-03-02 |
| 6654574 | Method and apparatus for image forming performing improved cleaning and discharging operations on image forming associated members | Shin Kayahara, Hideo Yu, Mitsuru Takahashi | 2003-11-25 |
| 6640076 | Developing roller having developing sleeve including portions with different transportation capacities | — | 2003-10-28 |