Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7826786 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Takeo Suda, Shinichi Kawahara, Takatsugu Fujishiro, Tokuya Ojimi, Takeshi Tabuchi +15 more | 2010-11-02 |
| 7542712 | Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge | Shuji Tanaka, Shinichi Kawahara, Yoshiyuki Kimura, Hiroshi Hosokawa, Yoshio Hattori +11 more | 2009-06-02 |
| 7539451 | Image forming apparatus and toner | Masanori Kawasumi, Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Takeshi Shintani +8 more | 2009-05-26 |
| 7493075 | Cleaning device, process cartridge and image forming apparatus | Takeshi Shintani, Takuji Yoneda, Toshio Koike, Naohiro Kumagai, Hiroyuki Nagashima +5 more | 2009-02-17 |
| 7430377 | Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereon | Toshio Koike, Ken Amemiya, Naohiro Kumagai, Masanori Kawasumi, Takeshi Uchitani +8 more | 2008-09-30 |
| 7400844 | Image forming apparatus and process cartridge with a cleaner for removing toner from an image bearing member | Eisaku Murakami, Hiroyuki Nagashima, Naohiro Kumagai, Takeshi Shintani, Toshio Koike +4 more | 2008-07-15 |
| 7386257 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Toshio Koike, Eisaku Murakami, Takeshi Shintani, Naohiro Kumagai, Atsushi Sampe +4 more | 2008-06-10 |
| 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 |
| 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 | Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe, Masanori Kawasumi +5 more | 2007-09-04 |
| 7228099 | Cleaning device for cleaning a surface of an image support body | Takeshi Shintani, Takuji Yoneda, Toshio Koike, 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 | Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe, Masanori Kawasumi +5 more | 2007-05-15 |
| 7149465 | Cleaning unit, process cartridge, image forming apparatus, and toner | Ken Amemiya, Naohiro Kumagai, Takeshi Shintani, Takaaki Tawada, Yuji Arai +8 more | 2006-12-12 |
| 7139504 | Charging device, and process cartridge and image forming apparatus using the charging device | Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe, Masanori Kawasumi +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, Naohiro Kumagai, Takeshi Shintani, 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 | Takeshi Shintani, Naohiro Kumagai, Toshio Koike, Eisaku Murakami, Masanori Kawasumi +2 more | 2006-08-01 |
| 7065316 | Cleaning unit, process cartridge, image forming apparatus, and toner | Atsushi Sampe, Naohiro Kumagai, Toshio Koike, Takeshi Shintani, Masanori Kawasumi +3 more | 2006-06-20 |
| 7062194 | Charging device, and process cartridge and image forming apparatus including the charging device | Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe, Masanori Kawasumi +5 more | 2006-06-13 |
| 7050741 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Toshio Koike, Eisaku Murakami, Takeshi Shintani, Naohiro Kumagai, Atsushi Sampe +4 more | 2006-05-23 |
| 6947696 | Image forming apparatus | Tadashi Hayakawa | 2005-09-20 |
| 6801737 | Image forming apparatus including an image carrier driving mechanism | — | 2004-10-05 |
| 6665512 | Image forming apparatus | Tadashi Hayakawa | 2003-12-16 |
| 6539189 | Image bearing member rotation control device, and image forming apparatus and method using the image bearing member rotation control device | — | 2003-03-25 |
| 6032006 | Image forming apparatus having an improved cleaning mechanism and method thereof | — | 2000-02-29 |