Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8165494 | Process cartridge having a member with a force receiving end movable to a position away from a cartridge housing | Akira Yoshimura, Susumu Nittani, Atsushi Numagami | 2012-04-24 |
| 8059986 | Cartridge assembling method and cartridge reassembling method | Masato Tanabe, Hideki Maeshima | 2011-11-15 |
| 7869740 | Process cartridge and image forming apparatus | Akira Yoshimura, Susumu Nittani, Atsushi Numagami | 2011-01-11 |
| 7509071 | Image forming apparatus detachably mounting a process cartridge having developing roller movable to contact and be spaced from a photosensitive drum | Akira Yoshimura, Susumu Nittani, Atsushi Numagami | 2009-03-24 |
| D587304 | Toner cartridge | Hideki Maeshima, Masato Tanabe, Isao Koishi | 2009-02-24 |
| 7466939 | Electrophotographic image forming apparatus to which a plurality of process cartridges are detachably mountable by using a moving guide and an opening and closing member | Yoshiaki Nakashima, Takeshi Setoriyama, Shuji Nishitani, Hidetoshi Yamashita, Nobuharu Hoshi +2 more | 2008-12-16 |
| 7349649 | Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus | Nobuharu Hoshi, Hideki Maeshima | 2008-03-25 |
| 7346293 | Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountable | Tatsuya Suzuki, Nobuharu Hoshi | 2008-03-18 |
| 7340197 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Kanji Yokomori, Susumu Nittani, Hideki Maeshima | 2008-03-04 |
| 7162174 | Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountable | Tatsuya Suzuki, Nobuharu Hoshi | 2007-01-09 |
| 7162181 | Remanufacturing method for process cartridge | Hideki Maeshima, Kanji Yokomori, Susumu Nittani, Nobuharu Hoshi, Tatsuya Suzuki | 2007-01-09 |
| 7158735 | Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum | Kanji Yokomori, Hideki Maeshima | 2007-01-02 |
| 7127194 | Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus | Nobuharu Hoshi, Hideki Maeshima | 2006-10-24 |
| 7092657 | Electrophotographic image forming apparatus, and process cartridge | Yoshiaki Nakashima, Takeshi Setoriyama, Shuji Nishitani, Hidetoshi Yamashita, Nobuharu Hoshi +2 more | 2006-08-15 |
| 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, Shigeru Hoashi +1 more | 2006-08-15 |
| 7035573 | Developing apparatus having developer carrying screw with a plurality of inclination angles | Seiji Yamaguchi, Masahide Kinoshita, Atsushi Numagami, Takahito Ueno, Masao Uyama | 2006-04-25 |
| D519150 | Image forming apparatus | Hisayoshi Kojima, Kanji Yokomori, Nobuharu Hoshi, Tatsuya Suzuki, Hideki Maeshima +2 more | 2006-04-18 |
| 6990302 | Process cartridge and electrophotographic image forming apparatus regulating the positions of creases on a flexible member in accordance with pivotal movement of a support member | Shinjiro Toba, Nobuharu Hoshi | 2006-01-24 |
| 6980758 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Kanji Yokomori, Susumu Nittani, Hideki Maeshima | 2005-12-27 |
| 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 | Takahito Ueno, Masahide Kinoshita, Atsushi Numagami, Seiji Yamaguchi, Masao Uyama | 2005-12-20 |
| 6947677 | Image forming apparatus with developing apparatus and method thereof | Masao Uyama, Masahide Kinoshita, Atsushi Numagami, Seiji Yamaguchi, Takahito Ueno | 2005-09-20 |
| 6912365 | Process cartridge, unit, and electrophotographic image forming apparatus | Takahito Ueno | 2005-06-28 |
| 6898391 | Process cartridge, electric contact and electrophotographic image forming apparatus | Atsushi Numagami, Shigeru Hoashi, Takahito Ueno | 2005-05-24 |
| 6834175 | Developer agitating member | Masahide Kinoshita, Atsushi Numagami, Seiji Yamaguchi, Takahito Ueno, Masao Uyama | 2004-12-21 |
| 6829455 | 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, Shigeru Hoashi +1 more | 2004-12-07 |