Issued Patents All Time
Showing 26–50 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8457541 | Image forming apparatus | Akio Kosuge, Shinichi Kawahara, Nobuo Kuwabara, Satoshi Hatori, Yoshinori Ozawa +1 more | 2013-06-04 |
| 8428475 | Waste toner container and image forming apparatus incorporating same | Daisuke Tomita, Shinichi Kawahara, Nobuo Kuwabara, Akio Kosuge | 2013-04-23 |
| 8428488 | Charging device, process cartridge, image forming apparatus, and toner | Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Yuji Arai, Takuzi Yoneda +7 more | 2013-04-23 |
| 8380115 | Lubricant applicator, image forming apparatus, and process cartridge | Daisuke Tomita, Satoshi Hatori, Nobuo Kuwabara, Akio Kosuge, Shinichi Kawahara +1 more | 2013-02-19 |
| 8315535 | Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unit | Nobuo Kuwabara, Satoshi Hatori, Daisuke Tomita, Akio Kosuge, Yoshinori Ozawa +3 more | 2012-11-20 |
| 8280293 | Image forming apparatus | Nobuo Kuwabara, Satoshi Hatori, Daisuke Tomita, Akio Kosuge, Shinichi Kawahara +3 more | 2012-10-02 |
| 8204423 | Cleaning device with accumulation prevention, process cartridge, and image forming apparatus including same | Satoshi Hatori, Takaya Muraishi, Yasushi Akiba, Akio Kosuge, Kaoru Yoshino +4 more | 2012-06-19 |
| 8204422 | Image forming apparatus and process cartridge having a charging unit | Satoshi Hatori, Yasushi Akiba, Kaoru Yoshino, Takaya Muraishi, Akio Kosuge | 2012-06-19 |
| 8095059 | Image forming apparatus with coating mode | Satoshi Hatori, Yasushi Akiba, Kaoru Yoshino, Akio Kosuge, Takaya Muraishi | 2012-01-10 |
| 8000627 | Charging device, process cartridge, image forming apparatus, and toner | Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Yuji Arai, Takuzi Yoneda +7 more | 2011-08-16 |
| 7995947 | Image forming apparatus, and charging device and process cartridge used in the image forming apparatus | Kaoru Yoshino, Takaya Muraishi, Akio Kosuge, Yasushi Akiba, Satoshi Hatori | 2011-08-09 |
| 7949281 | Process cartridge and image forming apparatus for effectively cleaning a charging roller at predetermined intervals | Takaya Muraishi, Atsushi Sampe, Ken Amemiya, Yoshiki Hozumi, Hiroshi Ono | 2011-05-24 |
| 7899383 | Lubricating device, lubricant applicator, and priming agent used therewith | Takaya Muraishi, Satoshi Hatori, Yasushi Akiba, Akio Kosuge, Kaoru Yoshino | 2011-03-01 |
| 7894758 | Image forming apparatus, image forming device charging device and lubricant supplying device constitution | Hiroshi Ono, Satoshi Hatori, Kaoru Yoshino, Akio Kosuge, Takaya Muraishi +3 more | 2011-02-22 |
| 7873291 | Image forming apparatus and process cartridge including charging bias adjustment control | Akio Kosuge, Takaya Muraishi, Yasushi Akiba, Satoshi Hatori, Kaoru Yoshino | 2011-01-18 |
| 7835683 | Cleaning unit, image carrying unit and image forming apparatus using the same | Takaya Muraishi, Yasushi Akiba, Satoshi Hatori, Akio Kosuge, Kaoru Yoshino | 2010-11-16 |
| 7756439 | Image forming apparatus and process cartridge used therein | Akio Kosuge, Takaya Muraishi, Yasushi Akiba, Satoshi Hatori, Kaoru Yoshino | 2010-07-13 |
| 7680446 | Cleaning device, process cartridge and image forming apparatus | Kaoru Yoshino, Satoshi Hatori, Hiroshi Ono, Akio Kosuge, Takaya Muraishi | 2010-03-16 |
| 7680429 | Charging device including charging roller and cleaning roller | Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more | 2010-03-16 |
| 7616922 | Cleaning device for cleaning a surface of an image forming apparatus, image forming apparatus, and process cartridge | Kaoru Yoshino, Junya Takigawa | 2009-11-10 |
| 7546064 | Process cartridge with image carrier supporting structure for use in an image forming apparatus | Kaoru Yoshino, Satoshi Takano, Hiroshi Ono, Satoshi Hatori, Akira Fujimori | 2009-06-09 |
| 7539451 | Image forming apparatus and toner | Masanori Kawasumi, Haruji Mizuishi, Tokuya Ojimi, Toshio Koike, Yuji Arai +8 more | 2009-05-26 |
| 7493075 | Cleaning device, process cartridge and image forming apparatus | Takuji Yoneda, Toshio Koike, Masato Yanagida, Naohiro Kumagai, Hiroyuki Nagashima +5 more | 2009-02-17 |
| 7477862 | Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these | Muraishi Takaya, Hiromichi Ninomiya, Atsushi Sampe, Yoshiyuki Kimura, Hiroyuki Nagashima +9 more | 2009-01-13 |
| 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, Masanori Kawasumi +8 more | 2008-09-30 |