Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9563159 | Image heating apparatus and rotatable member for use with the image heating apparatus | Yusuke Jota, Shinji Hashiguchi, Yuki Nishizawa, Tatsuya Kobayashi | 2017-02-07 |
| 7110684 | Cartridge for replenishing developer including a memory device and a control system featuring the cartridge | Hironobu Isobe, Masahide Kinoshita, Ryuichi Yoshizawa | 2006-09-19 |
| 6754454 | Image forming apparatus capable of discriminating a service life of detachably mounted process unit | Masahide Kinoshita, Hironobu Isobe, Ryuichi Yoshizawa | 2004-06-22 |
| 6718144 | Image forming apparatus and process unit mountable to image forming apparatus | Masahide Kinoshita, Hironobu Isobe, Ryuichi Yoshizawa | 2004-04-06 |
| 6704521 | Image forming apparatus and image forming method | Hironobu Isobe, Masahide Kinoshita, Ryuichi Yoshizawa | 2004-03-09 |
| 6633734 | Image forming apparatus having density detecting means | Yoichiro Maebashi, Tomoaki Nakai | 2003-10-14 |
| 6381419 | Image forming apparatus with developer density and developer remaining amount detection features | Masahide Kinoshita, Hironobu Isobe, Ryuichi Yoshizawa | 2002-04-30 |
| 6131010 | Rotatable member having elastic layer and fixing apparatus having said rotatable member | Takao Kume, Norio Hashimoto, Katsuhiko Nishimura, Tooru Saitou, Katsunori Takeuchi +2 more | 2000-10-10 |
| 5999763 | Simultaneous cleaning of residual toner and toner image formation | Katsuhiko Nishimura | 1999-12-07 |
| 5974281 | Image forming apparatus using intermediate transfer member | Haruo Fujii, Hideyuki Yano | 1999-10-26 |
| 5809373 | Image forming apparatus which back-transfers residual toner from an intermediate transfer member to a photosensitive drum | Yasuo Yoda, Katsuhiko Nishimura, Shinichi Tsukida, Toru Kosaka | 1998-09-15 |
| 5732310 | Image forming apparatus having cleaning device for cleaning intermediate transfer member | Katsuhiko Nishimura, Shinichi Tsukida, Toru Kosaka, Yasuo Yoda | 1998-03-24 |
| 5701568 | Image forming apparatus having dielectric constant relationship between image bearing member, intermediate transfer member and contact transfer device | Katsuhiko Nishimura, Toru Kosaka, Yasuo Yoda | 1997-12-23 |
| 5694158 | Image forming apparatus with image carrier and sheet feed drive control | Junichi Kato, Masaki Ojima, Takahiro Inoue, Masahiro Goto, Shinichi Tsukida +10 more | 1997-12-02 |
| 5646717 | Image forming apparatus having charging member | Masahiro Goto, Yoji Serizawa, Makoto Takeuchi, Tatsunori Ishiyama | 1997-07-08 |
| 5572306 | Image forming apparatus capable of setting fixing temperature corresponding to temperature rising state of heating member | Masahiro Goto, Takahiro Inoue, Koichi Suwa, Shinichi Tsukida, Manabu Takano | 1996-11-05 |
| 5512929 | Image forming apparatus with fixer temperature control | Yoji Serizawa, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Kazuro Yamada +10 more | 1996-04-30 |
| 5455603 | Image forming apparatus with feeder control based on pixel conversion status | Kenjiro Hori, Satoshi Akiyama, Takashi Nakahara, Toshio Yoshimoto, Yoshimi Kuramochi +10 more | 1995-10-03 |
| 5450180 | Image forming apparatus having constant current and voltage control in the charging and transfer regions | Yukihiro Ohzeki, Junji Araya, Yasushi Sato, Toshio Miyamoto, Kimio Nakahata | 1995-09-12 |
| 5412480 | Image forming apparatus with fixer temperature control | Yoji Serizawa, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Kazuro Yamada +10 more | 1995-05-02 |
| 5285245 | Electrostatic transfer type image forming apparatus with recording material guide for changing direction of recording material separation from image transfer position | Masahiro Goto, Takahiro Inoue, Koichi Suwa, Tatsunori Ishiyama, Manabu Takano | 1994-02-08 |
| 5274402 | Image forming apparatus with fixer temperature control | Yoji Serizawa, Akio Noguchi, Yukihide Ushio, Shimpei Matsuo, Kazuro Yamada +10 more | 1993-12-28 |
| 5264902 | Image forming device | Koichi Suwa, Masahiro Goto, Takahiro Inoue, Shinichi Tsukida, Junichi Kato +2 more | 1993-11-23 |
| 5223900 | Transfer roller with a resistance determined in accordance with its peripheral speed | Takayasu Yuminamochi, Koichi Tanigawa, Akihiko Takeuchi | 1993-06-29 |
| 5198863 | Image forming apparatus | Masahiro Goto | 1993-03-30 |