Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7433615 | Method of and image forming apparatus for controlling a light exposure condition | Wakako Murakami, Nobuo Kuwahara, Atsushi Sampe, Yoshiyuki Kimura, Hiroshi Hosokawa | 2008-10-07 |
| 7428393 | Developing device, process cartridge, device unit, and image forming apparatus having a sealing member | Hiroshi Hosokawa, Atsushi Sampe, Yoshiyuki Kimura | 2008-09-23 |
| 7400844 | Image forming apparatus and process cartridge with a cleaner for removing toner from an image bearing member | Eisaku Murakami, Masato Yanagida, 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, Masato Yanagida, Takeshi Shintani, Naohiro Kumagai +4 more | 2008-06-10 |
| 7362466 | Image forming apparatus and replaceable part and IC chip for the same | Toshitaka Semma, Takamasa Hayashi | 2008-04-22 |
| 7343132 | Image forming apparatus and process cartridge including sealable lubricating device | Yoshiyuki Kimura, Atsushi Sampe, Nobuo Kuwabara, Hiroshi Hosokawa, Wakako Murakami | 2008-03-11 |
| 7305203 | Image forming apparatus including a process cartridge formed with a hole | Atsushi Sampe, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa, Hideki Zemba +1 more | 2007-12-04 |
| 7295796 | Image forming apparatus having a temporary toner holding device and a toner collecting device | Eisaku Murakami, Hideo Yoshizawa, Yoshiyuki Kimura, Hideki Zemba, Eiji Kurimoto +8 more | 2007-11-13 |
| 7292817 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Yoshiyuki Kimura, Hideki Zemba, Eiji Kurimoto +2 more | 2007-11-06 |
| 7272342 | Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus | Kazuyuki Sugihara, Katsumi Masuda, Hideki Kimura, Kiyotaka Sakai, Kazuhisa Sudo +1 more | 2007-09-18 |
| 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, Naohiro Kumagai, Toshio Koike, Atsushi Sampe, Masanori Kawasumi +5 more | 2007-09-04 |
| 7242615 | Non-volatile semiconductor memory device | — | 2007-07-10 |
| 7242620 | Nonvolatile semiconductor memory device and an operation method thereof | — | 2007-07-10 |
| 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 |
| 7221467 | Image forming apparatus and replaceable part and integrated circuit chip for the same | Takamasa Hayashi, Toshitaka Semma | 2007-05-22 |
| 7218877 | Charging device, and process cartridge and image forming apparatus including the charging device using the same | Masato Yanagida, Naohiro Kumagai, Toshio Koike, Atsushi Sampe, Masanori Kawasumi +5 more | 2007-05-15 |
| 7184684 | Image forming apparatus, process cartridge, and waste toner recovery device | Eisaku Murakami, Hideo Yoshizawa, Yoshiyuki Kimura, Hideki Zemba, Eiji Kurimoto +2 more | 2007-02-27 |
| 7139504 | Charging device, and process cartridge and image forming apparatus using the charging device | Masato Yanagida, Naohiro Kumagai, Toshio Koike, Atsushi Sampe, Masanori Kawasumi +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, Masanori Kawasumi, Toshio Koike, Naohiro Kumagai +11 more | 2006-09-19 |
| 7110699 | Image forming apparatus and process cartridge for use in the same | Hideo Yoshizawa, Eisaku Murakami, Yoshiyuki Kimura, Hideki Zemba, Eiji Kurimoto | 2006-09-19 |
| 7062194 | Charging device, and process cartridge and image forming apparatus including the charging device | Masato Yanagida, 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, Masato Yanagida, Takeshi Shintani, Naohiro Kumagai +4 more | 2006-05-23 |