Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8306469 | Cleaning apparatus for removing toner adhered onto endless belt | Yoshiyuki Kimura, Hiroshi Ishii, Masaharu Furuya | 2012-11-06 |
| 8195070 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +7 more | 2012-06-05 |
| 8005406 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +7 more | 2011-08-23 |
| 7835673 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +7 more | 2010-11-16 |
| 7697870 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +7 more | 2010-04-13 |
| 7519317 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +7 more | 2009-04-14 |
| 7480476 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +7 more | 2009-01-20 |
| 7421239 | Cleaning apparatus for removing toner adhered onto endless belt | Yoshiyuki Kimura, Hiroshi Ishii, Masaharu Furuya | 2008-09-02 |
| 7398038 | Image forming apparatus using a toner container and a process cartridge | Kiyonori Tsuda, Hiroshi Hosokawa, Masanori Kawasumi, Satoshi Narumi, Kazuhiko Umemura +1 more | 2008-07-08 |
| 7321744 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +7 more | 2008-01-22 |
| 7277667 | Endless belt device and image forming apparatus using the device | Daisuke Saito, Masaharu Furuya, Takahiro Nakayama | 2007-10-02 |
| 7221887 | Image forming apparatus that recovers waste toner inside thereof | Yoshiyuki Kimura, Daisuke Saito, Masaharu Furuya | 2007-05-22 |
| 7212767 | Image forming apparatus and process cartridge removably mounted thereto | Hiroshi Hosokawa, Kiyonori Tsuda, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +1 more | 2007-05-01 |
| 7153621 | Electrophotographic photoreceptor and image forming apparatus using the photoreceptor | Narihito Kojima, Akiyo Namiki, Hiroshi Nagame, Yohta Sakon | 2006-12-26 |
| 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 |
| 7076192 | Powder conveying device and image forming apparatus using the same | Kiyonori Tsuda, Hiroshi Hosokawa, Satoshi Narumi, Yuji Arai, Masanori Kawasumi +1 more | 2006-07-11 |
| 7024133 | Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself | Hiroyuki Nagashima, Atsushi Sampe, Yoshiyuki Kimura, Nobuo Kuwabara, Hiroshi Hosokawa +7 more | 2006-04-04 |
| 6706459 | Electrophotographic drum-shaped photoconductor and image forming method and apparatus using the same | Narihito Kojima, Akiyo Nakajima, Hiroshi Nagame, Yohta Sakon | 2004-03-16 |
| 6697595 | Method and apparatus for forming an image with no degradation | Katsuya Kawagoe, Toshiaki Motohashi, Yuuji Sawai, Shin Kayahara, Mitsuru Takahashi +2 more | 2004-02-24 |
| 6562529 | Electrophotographic drum-shaped photoconductor and image forming method and apparatus using the same | Narihito Kojima, Akiyo Nakajima, Hiroshi Nagame, Yohta Sakon | 2003-05-13 |
| 6558862 | Electrophotographic photoreceptor and image forming apparatus using the photoreceptor | Narihito Kojima, Akiyo Namiki, Hiroshi Nagame, Yohta Sakon | 2003-05-06 |
| 6521386 | Electrophotographic photoreceptor and electrophotographic image forming method and apparatus using the photoreceptor | Yohta Sakon, Narihito Kojima, Minoru Umeda, Masao Yoshikawa, Hiroshi Nagame +1 more | 2003-02-18 |
| 6363237 | Unit for imparting lubricity to electrophotographic photoconductor, electrophotographic image formation apparatus including the unit, and image formation method using the apparatus | Hiroshi Nagame, Narihito Kojima, Yohta Sakon, Akiyo Nakajima | 2002-03-26 |
| 6160977 | Image forming apparatus and device for applying a lubricant to an image | Akiyo Nakajima, Narihito Kojima, Hiroshi Nagame, Yohta Sakon | 2000-12-12 |
| 6118964 | Multi-functional contact-type charging unit and image transfer unit | Narihito Kojima, Hiroshi Nagame, Yukiko Iwasaki, Akiyo Nakajima, Hiroyuki Fushimi | 2000-09-12 |