Issued Patents All Time
Showing 126–150 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7457566 | Electrophotosensitive drum having non-circular twisted projection with electroconductive member thereon, process cartridge having such drum, and electrophotographic image forming apparatus to which the cartridge is detachably mountable | Isao Koishi, Atsushi Numagami | 2008-11-25 |
| 7450877 | Process cartridge and electrophotographic image forming apparatus | Shigeo Miyabe | 2008-11-11 |
| 7440715 | Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus | Atsushi Numagami, Shigeru Hoashi | 2008-10-21 |
| 7366452 | Developer supply container and electrophotographic image forming apparatus | Akiyoshi Fujita, Atsushi Numagami | 2008-04-29 |
| 7315710 | Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Isao Koishi, Akiyoshi Fujita, Shigeo Miyabe | 2008-01-01 |
| D555718 | Image forming apparatus | Shigeo Miyabe, Shinjiro Toba | 2007-11-20 |
| 7248810 | Cartridge, process cartridge, and electrophotographic image forming apparatus | Shigeo Miyabe, Shinjiro Toba | 2007-07-24 |
| 7209682 | Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus | Atsushi Numagami, Shigeru Hoashi | 2007-04-24 |
| 7184690 | Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Isao Koishi, Akiyoshi Fujita, Shigeo Miyabe | 2007-02-27 |
| 7174122 | Developer supply container and electrophotographic image forming apparatus | Akiyoshi Fujita, Atsushi Numagami | 2007-02-06 |
| 7164875 | Electrophotographic image forming apparatus having a plurality of mounting portions for detachably mounting a plurality process cartridges | Shigeo Miyabe, Shinjiro Toba | 2007-01-16 |
| 7158749 | Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus | Atsushi Numagami, Isao Koishi | 2007-01-02 |
| 7139502 | Process cartridge and electrophotographic image forming apparatus | Isao Koishi, Akiyoshi Fujita | 2006-11-21 |
| 7092658 | Driving force transmission mechanism, image forming apparatus equipped with such a mechanism, and process unit of such an apparatus | Takeshi Yasumoto, Akio Ono, Atsushi Numagami, Yukihiro Fujiwara, Kazunari Murayama +1 more | 2006-08-15 |
| 7062200 | Process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Masaki Kakitani | 2006-06-13 |
| 7035573 | Developing apparatus having developer carrying screw with a plurality of inclination angles | Seiji Yamaguchi, Masahide Kinoshita, Atsushi Numagami, Kazunari Murayama, Masao Uyama | 2006-04-25 |
| 7003247 | Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus | Isao Koishi, Atsushi Numagami | 2006-02-21 |
| 6978099 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge | Masahide Kinoshita, Atsushi Numagami, Kazunari Murayama, Seiji Yamaguchi, Masao Uyama | 2005-12-20 |
| 6970668 | Method of reproducing process cartridge | Atsushi Numagami, Akiyoshi Fujita | 2005-11-29 |
| 6968141 | Remanufacturing method for toner supply container | Akiyoshi Fujita, Atsushi Numagami | 2005-11-22 |
| 6968146 | Developer supply container and electrophotographic image forming apparatus | Akiyoshi Fujita, Atsushi Numagami | 2005-11-22 |
| 6954601 | Process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Akiyoshi Fujita | 2005-10-11 |
| 6954600 | Electric contact member applying voltage to charger, process cartridge, and image forming apparatus | Akiyoshi Fujita, Atsushi Numagami | 2005-10-11 |
| 6947677 | Image forming apparatus with developing apparatus and method thereof | Masao Uyama, Masahide Kinoshita, Atsushi Numagami, Kazunari Murayama, Seiji Yamaguchi | 2005-09-20 |
| 6912365 | Process cartridge, unit, and electrophotographic image forming apparatus | Kazunari Murayama | 2005-06-28 |