Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Masato Yanagida, 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, Masato Yanagida, Naohiro Kumagai, Takeshi Shintani +4 more | 2008-07-15 |
| 7398038 | Image forming apparatus using a toner container and a process cartridge | Kiyonori Tsuda, Hiroshi Hosokawa, Satoshi Narumi, Ryuta Takeichi, Kazuhiko Umemura +1 more | 2008-07-08 |
| 7386257 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Toshio Koike, Eisaku Murakami, Masato Yanagida, Takeshi Shintani, Naohiro Kumagai +4 more | 2008-06-10 |
| 7373101 | Method and apparatus for image forming and effectively applying lubricant to an image bearing member | Yoshiki Hozumi, Toshio Koike, Ken Amemiya, Yuji Arai, Tokuya Ojimi +5 more | 2008-05-13 |
| 7333744 | Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage | Eiji Shimojo, Haruji Mizuishi, Tokuya Ojimi, Takuzi Yoneda, Ken Amemiya +6 more | 2008-02-19 |
| 7321744 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai +7 more | 2008-01-22 |
| 7313347 | Cleaning device, process cartridge, image forming apparatus and toner | Takeshi Shintani, Takuzi Yoneda, Ken Amemiya, Takaaki Tawada, Tokuya Ojimi +12 more | 2007-12-25 |
| 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, Takeshi Shintani, Yuji Arai +4 more | 2007-11-06 |
| 7272354 | Cleaning unit and image forming apparatus having multiple cleaning blades | Eisaku Murakami, Masami Tomita, Toshio Koike, Naohiro Kumagai, Atsushi Sampe +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 | Takeshi Shintani, Takuji Yoneda, Toshio Koike, Masato Yanagida, Naohiro Kumagai +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 |
| 7212767 | Image forming apparatus and process cartridge removably mounted thereto | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Ryuta Takeichi, Yuji Arai +1 more | 2007-05-01 |
| 7149465 | Cleaning unit, process cartridge, image forming apparatus, and toner | Ken Amemiya, Masato Yanagida, Naohiro Kumagai, Takeshi Shintani, Takaaki Tawada +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 |
| 7136610 | Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself | Yuji Arai, Atsushi Sampe, Kiyonori Tsuda, Takeo Suda, Satoshi Hatori +11 more | 2006-11-14 |
| 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, Takeshi Shintani +4 more | 2006-10-31 |
| 7110696 | Cleaning unit, process cartridge, and image forming apparatus | Eisaku Murakami, Masami Tomita, Toshio Koike, Naohiro Kumagai, Atsushi Sampe +11 more | 2006-09-19 |
| 7100158 | Program management apparatus, program management system, and program management method | Rintaro Nakane, Osamu Tachiyama, Kazuo Sumioka, Seiya Shimizu, Shuichi Tsujimoto +4 more | 2006-08-29 |
| 7085528 | Cleaning unit, process cartridge, and image forming apparatus | Takeshi Shintani, Naohiro Kumagai, Masato Yanagida, Toshio Koike, Eisaku Murakami +2 more | 2006-08-01 |
| 7076192 | Powder conveying device and image forming apparatus using the same | Kiyonori Tsuda, Hiroshi Hosokawa, Satoshi Narumi, Yuji Arai, Ryuta Takeichi +1 more | 2006-07-11 |
| 7065316 | Cleaning unit, process cartridge, image forming apparatus, and toner | Masato Yanagida, Atsushi Sampe, Naohiro Kumagai, Toshio Koike, Takeshi Shintani +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 |