Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Shuji Nishitani, Hidetoshi Yamashita, Kazunari Murayama, Nobuharu Hoshi +2 more | 2008-12-16 |
| 7092657 | Electrophotographic image forming apparatus, and process cartridge | Yoshiaki Nakashima, Shuji Nishitani, Hidetoshi Yamashita, Kazunari Murayama, Nobuharu Hoshi +2 more | 2006-08-15 |
| 6415118 | Image forming apparatus with inclined guide for sheet material | Yoji Tomoyuki, Susumu Ikuma, Hidenobu Suzuki | 2002-07-02 |
| 6084622 | Frame structure and an image forming apparatus using such a frame structure | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 2000-07-04 |
| 6078780 | Image heating device and image heating film | Atsuyoshi Abe, Kazuo Kishino, Keisuke Matsuo, Hideyuki Hatakeyama | 2000-06-20 |
| 6026269 | Image forming apparatus with varying conveying speed | — | 2000-02-15 |
| 5634178 | Gear unit, image forming apparatus and gear unit mounting method | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 1997-05-27 |
| 5621451 | Image forming apparatus | Yoshinori Sugiura, Noriyoshi Ishikawa, Chitose Tenpaku, Tatsuo Hamada, Yoshiro Tsuchiya +8 more | 1997-04-15 |
| 5561496 | Image forming apparatus, assembling method of image forming apparatus, and mounting method of outer casing | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 1996-10-01 |
| 5561499 | Direct electrical connection system and related method for an image forming apparatus | — | 1996-10-01 |
| 5559581 | Image forming apparatus with helical gear drive train | Yoshinori Sugiura, Jun Azuma, Nobukazu Adachi, Chitose Tenpaku, Noriyoshi Ishikawa +9 more | 1996-09-24 |
| 5543891 | Electrophotographic image forming apparatus with a process cartridge mounting feature | — | 1996-08-06 |
| 5528342 | Electrophotographic image forming apparatus with a process cartridge mounting feature | — | 1996-06-18 |
| 5525775 | Heating apparatus using endless film | Akira Kuroda, Shinichi Sasaki | 1996-06-11 |
| 5210579 | Image fixing apparatus having a parting resin layer for reducing frictional resistance of the film through which the image is heated | Akira Kuroda | 1993-05-11 |
| 5196895 | Heating apparatus using endless film | Akira Kuroda | 1993-03-23 |
| 5148226 | Heating apparatus using endless film | Akira Kuroda | 1992-09-15 |
| 4873548 | Image forming apparatus comprising a main assembly having a top frame adapted to swing open and closed with respect to a bottom frame and having process cartridge detachably mounted in the main assembly | Hiroo Kobayashi, Hitoshi Fujino, Tadashi Yagi, Nobukazu Adachi, Yasuyoshi Hayakawa | 1989-10-10 |